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Indoor Cycling

$29.79
• Plastic riser block allows the position of front wheel at one of two heights
$56.99
• 35.5-inches x 79-inches • Black
$139.99 $230.99 39% Off
Hook your bike up to Sunlite's F2 Trainer and ride whenever you want, regardless of weather, daylight or schedule issues. It features a heavy-duty steel frame for a stable base when you're cranking on the pedals and a quiet magnetic resistance unit for a real-world feel.
$185.39
- Smooth and powerful magnetic resistance - Heavy-duty steel frame - Folds for easy storage - Fits MTB wheels 26"-29"
$272.99
Hook your bike up to Sunlite's F1 Trainer w/Remote and ride whenever you want, regardless of weather, daylight or schedule issues. It features a heavy-duty steel frame for a stable base when you're cranking on the pedals and a quiet magnetic resistance unit for a real-world feel. The remote lever attaches to your handlebar for easy resistance adjustment. Plus, this trainer includes an easy-to-use steel quick-release lever.
$759.99
No matter how busy you are, hop on Sunlite's F-5 Training Cycle and get a workout regardless of the weather outside. The fully adjustable design means you get a perfect seating position so you can perform at your peak, and the heavy-duty frame keeps flex to a minimum for awesome power transfer. Adjustable resistance allows you to tailor your workout, too, and the side-braking resistance design translates into longer bearing life. You can even track your time, speed, distance, calories, and total distance on the built-in computer. And when it's time to tuck the F-5 away, oversize wheels help you roll it across hardwood floors and even carpet.
From the world leader in power, Stages Cycling brings the experience of riding outdoors to your home with the StagesBike. Designed by the indoor cycling experts with a fitness-studio-quality, Stages Indoor cycling frame provides unsurpassed stability and durability and a quiet, maintenance-free Gates Carbon belt drive for countless miles of trouble-free indoor riding. At the heart of the StagesBike is a smooth, silent, electronic resistance unit providing up to 2200 watts of stunningly realistic road feel, right down to each electronic gear change. An oversized flywheel makes climbing, acceleration and coasting feel spot on. Standard road bars and saddle are included—and both can be swapped for your personal favorites, including aero bars. StagesBike brake hoods incorporate electronic shift buttons and separate "sprint" buttons. Riders can customize the function of each button and choose between several virtual drivetrains, simulating a variety of popular bike setups. With functional brake levers and steering buttons, the StagesBike is ready for the evolution of indoor cycling. Precision power measurement comes from a Stages Gen 3 Dual-Sided power meter. Multiple Tour de France victories can't be wrong—this is the most reliable and accurate way to bring your watts to the world of Watopia and beyond. With micro-adjust saddle fore/aft adjustment and handlebar reach/stack with laser-etched sizing scales, adjustable brake hoods, and crank arm settings ranging from 165mm to 175mm, you can tune the StagesBike to precisely replicate the fit and feel of your favorite bike and get the most out of your indoor miles. The StagesBike is optimized for the most popular indoor cycling platforms including Zwift, Trainer Road, Sufferfest, and others, with ANT and Bluetooth connectivity for all control modes. Two USB charging ports keep your devices juiced up during your ride, and an integrated adjustable tablet holder makes it easy to see the action. - Bike Weight: 138lbs - Bike Dimensions: 62.2in x 22.2in x 46.7in - Drivetrain: CarbonGlyde featuring Gates Carbon Drive - Shifting: Configurable buttons—additional Sprint Shifters included + Ports for up to 2 additional shift locations - Frame: High-strength steel - Hardware: Stainless Steel - Flywheel: 50lbs - Connectivity: ANT+ and Bluetooth - Power: Stages Power LR—Dual-Sided Power - Accuracy: 1.5% - Max Power: 2200w @ 130RPM - Q-Factor: 157mm - Max Rider Weight: 300lbs - Rider Fit: 4'10"in—6'10"in - Two USB ports - Tablet & phone holder - Dual water bottle holders - Standard road bar (31.8 mm) with sprint shifters + Climbing and Aero shifters available for purchase - Compatible with Aero Bars + Aero shifters available for purchase - Compatible with four different crank lengths—165 mm, 170 mm, 172.5 mm, 175 mm (pedals not included) - Wireless Firmware Updates
Reliable. Durable. Quieter Than Ever Before. When it comes to indoor bike trainers, the most frequently asked question is: how quiet is it? Taking this to heart, our Madison, Wisconsin-based team put this query under the microscope and set a goal to build a trainer so quiet, that the only sound is that of your drive train. The result? A direct drive smart trainer that touts a sound specification of 59 decibels at 20 mph. In other words, the H3 is five times quieter than previous generations, making it the quietest smart trainer to ever leave our doors. Following the Saris direct drive smart trainer legacy, the H3 features the same reliably and durability as its predecessors. Each H3 is made from cast and machined aluminum sourced from America’s heartland. Encased inside are components meticulously calibrated to measure power, speed and cadence, as well as a precision-balanced flywheel - all built to handle 2000 watts and replicate a 20% climbing grade. Tested to withstand heavy training, the H3’s internal cooling system will keep the electromagnetic resistance system working – and accurate – long after your legs have given out. - Quieter Than Ever: all new drive system shaves decibels off previous generations. - Precise Training: +/- 2% power accuracy. - Controlled and Consistent: electromagnetic resistance provides a measured workout every time. - Direct Drive Design: widest bike compatibility and eliminates wheel slips. - No External Sensors Required: measures speed, cadence and power. - Seamless Integration: connects to indoor cycling apps with dual ANT+ FE-C and Bluetooth FTMS standards. - Zwift certified. Specs - Noise level: 59 decibels at 20 mph - Power measurement accuracy: +/- 2% - Maximum power output: 2000 watts at 20 mph - Simulates a 20% climbing grade - Fast response electromagnetic resistance - Measures speed, cadence and power – no external sensors needed - 20 lb precision balanced flywheel - Integrated dual ANT+ FE-C and Bluetooth FTMS standards - Built-in front wheel block - Integrated carrying handle - Compatible with Shimano 8-11 speed cassettes - XD/XDR freehubs sold separately (link) - Thru-axle compatible for bike frames with fork widths of 142 or 148. - Quick-release compatible for bike frames with fork widths of 130mm and 135 mm. - Compatible with a wide variety of devices and indoor cycling applications, including Rouvy, Zwift, TrainerRoad and many more. Contact us with questions about compatibility with other software. - Headless mode (powered on, not paired to any apps) lets you ride with a progressive resistance curve that matches the Fluid2 (link). - LED indicator lights communicate connectivity and more. - Direct drive design directly connects the bicycle to the resistance unit, eliminating tire wear. - Internal cooling technology ensures accurate ride data even during the hardest of workouts. - Folding legs provide widest footprint of direct drive indoor bicycle trainers on the market for added stability and easy storage. - Accessible and balanced handle allows for smooth, anyone-can-carry transit of the trainer. - Over the air (OTA) firmware updates and calibration via the Saris app (link to firmware page) - Maximum weight (rider and bike): 300 lbs. - Dimensions when Open L*H*W: 31x18.5x19.5 inches (787.4x469.9x495.3 mm). - Dimensions when Closed L*H*W: 8.5x18.5x19.5 inches (76.2x469.9x495.3 mm). - Weight: 47 lb. (21.3 kg).
The Saris Trainer mat protects floors from sweat and bike grime, and absorbs vibration and noise for a more comfortable workout.
$39.99
BLE USB Adapter gives Rouvy virtual training software the ability to seamlessly connect to Bluetooth devices and sensors. The adapter contains a Bluetooth (BLE) radio that allows PCs to communicate with BLE devices, including Saris smart indoor bicycle trainers and power meters. Most importantly, the BLE USB Adapter is necessary to update the firmware Over the Air (OTA) via VirtualTraining for the Hammer and Magnus bike trainers. - Bluetooth adapter for PCs to work with Rouvy - Needed for Over the Air Firmware Updates to Smart Indoor Bike Trainers. - Works with PC desktops and laptops.
$39.99
Keeps corrosive sweat from reaching your frame. - Cell phone pouch included.
$49.99
The Saris thru axle adapter is designed for indoor use on Saris- or CycleOps-branded trainers only and should not be ridden outdoors. - Compatible with Classic series trainers and most Pro series trainers. Not compatible with PowerSync trainers. Contact us with trainer compatibility questions. - This adapter is designed to work with bikes that have a 142x12mm thru axle with 1.0 or 1.75 thread pitch. - The axle is threaded on both sides to fit both Syntace and Maxle/ABP style thru axle systems. - Many bike manufacturers do not publish thread pitch or hub spacing online. If you are unclear as to what type of thru axle your bike uses, please reach out to your local bike shop or the bicycle manufacturer directly. What's Included - Thru axle - Washers - End caps with bolts
$49.99
For a stable, worry-free ride with any rear wheel-mounted trainer. Product Features - For a stable, worry-free ride with any rear wheel-mounted trainer. - Unique 3-level design lets you select the level of difficulty. - Stack two blocks to simulate climbing workouts. Three different positions to raise your front wheel and simulate hill climbs - 2.1 inches (5.3 cm) - 2.7 inches (6.8 cm) - 3.1 inches (7.9 cm)
$59.99
TRAINER THRU AXLE ADAPTER FOR SARIS TRAINERS WHAT'S INCLUDED: - Thru axle - Washers - Endcaps with bolts - The 148x12mm adapters also come with a shorter bolt action slider tube. TRAINER COMPATIBILITY The Saris Trainer Thru Axle Adapter is designed for indoor use on Saris trainers only and should not be ridden outdoors. Compatible with current basic trainers. Not compatible with CycleOps PowerSync trainers. Contact us with trainer compatibility questions. BIKE COMPATIBILITY Many bike manufacturers do not publish thread pitch or hub spacing online. If you are unclear as to what type of thru axle your bike uses, please reach out to your local bike shop or the bicycle manufacturer directly. Both 148x12 Thru Axle Adapters are compatible for both 142 and 148mm bikes. 148x12 Thru Axle Adapter, 1.5 Thread Pitch (9733T) works for: - 148 x 12mm - 142 x 12mm - 1.5 thread pitch
$179.99 $199.99 10% Off
Stick to your fitness plan year round with the help of the Saris Mag+ trainer. It is the perfect way to keep your legs warm when it's cold, dry when it's wet, and safe when it's too dark to ride outside. With this turbo trainer, it's easy to turn your bike into your go-to calorie burner — no matter the season. Simply attach the handlebar-mounted shifter to change resistance during your workout without having to leave your bike. Want to train with Zwift or Rouvy? All you need is a speed sensor. Visit our setup guide to learn how to get started. - Magnetic resistance unit provides a quiet and frictionless ride. - Linear resistance boosts workout intensity to match each pedal stroke and gear click. - Mag+ comes with convenient, adjustable handlebar-mounted shifter. - Compatible with Zwift and other indoor cycling apps
$349.99 $549.99 36% Off
Whether you want to attend a group ride in Zwift, climb the Dolomites in Rouvy, or simply need a sweat session, the M2 smart trainer can get you there. All you need is your bike, the M2, your favorite virtual training software, and device of choice. This do-it-all, smart bike trainer is capable of replicating any workout thrown its way, up to 1500 watts and a 15% climbing grade. Simply connect to your virtual training application of choice via integrated dual-band ANT+ FE-C and Bluetooth, and let the M2’s electromagnetic response system do the rest. And, thanks to integrated speed, cadence, and power data, you can track and record performance data without extra external sensors. Plus, our innovative clutch knob ensures perfect tire-to roller connection for every single ride. - Noise level is a quiet 69 decibels at 20 mph. - PowerTuned using PowerTap technology for accurate power readings up to +/- 5%. - This trainer is designed to fit common road and mountain bike frames with included steel quick release skewer and has three settings for rear dropout spacing: 120mm, 130mm, and 135mm. - Optional thru-axle adapter available for 142x12mm and 148x12mm. - Integrated dual ANT+ FE-C and Bluetooth standards. - Fast response electromagnetic resistance ensures most responsive resistance and maximum power available. - Robust design is capable of handling up to 1500 watts at 20 mph and can simulate up to a 15% climbing grade. - Headless mode (powered on, not paired to any apps) lets you ride with a progressive resistance curve that matches the Fluid2. - Internally integrated speed, cadence, and power data eliminates the need for extra external sensors. - LED indicator lights communicate connectivity and more. - Internal cooling system moves air through the trainer to keep it cool while active thermal sensors ensure accurate performance data even during the hardest of workouts. - Comes on the Saris foldable Classic frame with spring loaded, bolt-action lever. - Features clutch knob for perfect roller to tire tension each ride. - 2" resistance unit roller allows for 650b, 700c, 26", 27", and 29" - up to a 2.0-inch tire. - Does not fit 650c wheel sizes, nor all 29er tires. - Precision-machined alloy roller reduces tire wear and slippage. - Eccentric leveling feet allow for easy adjustment on uneven surfaces. - Trainer tire recommended - Compatible with a wide variety of devices and virtual training applications, including Rouvy, Zwift, TrainerRoad, and many more. Contact us with questions about compatibility with other software. - Over the air (OTA) firmware updates via Bluetooth devices ensures the M2 is up to date. - Some assembly required - All of our trainers are tested to the combined weight (rider and bike) of 300 lbs. - ANT+ and BlueGiga USB dongles sold separately - Not compatible with CycleOps- or Saris-branded 20/24" wheel adapter
$359.99
Trainer Mission Control Every training room needs a control center, and the TD1 is more than equipped for the job. Featuring built-in power strip with 2 AC and 2 USB outlets, this indoor trainer desk was designed to keep everything you need charged, organized and close at hand. Its roomy 12" x 20" table top is made from laminated birch for easy clean up, and is supported by stainless, corrosion-resistant steel sourced from America’s heartland. And as part of the Saris trainer eco-system, the TD1 is a perfect complement to the MP1 trainer platform. After just one ride with a dedicated trainer desk, you’ll ask yourself how you ever rode indoors without one. - Stay Charged: built-in power strip keeps training necessities nearby and powered up. - Pick Your Height: adjustable for wide range of bikes and training configurations. - Easy Cleaning: laminated birch wood top makes for easy clean-up post-ride. - Steamlined Look: built-in cable management and stainless steel hardware are both functional and eye-pleasing. - Enhanced Experience: a great addition to indoor training. Specs - Base: 13-inches wide x 36-inches Depth - Desk Top: : 12-inches Width x 20-inches Depth - Adjustable Desk Height from Floor: 40- to 55-inches - Materials: Laminated birch table top supported by a steel frame, featuring stainless steel and corrosion-resistant hardware - Cord Length: 6- foot AC cord - Built-in power strip with 2 AC and 2 USB outlets - Built-in cord retention clips for easy cable management and a clean look.
$649.99 $799.99 19% Off
Reliable. Durable. Quieter Than Ever Before. When it comes to indoor bike trainers, the most frequently asked question is: how quiet is it? Taking this to heart, our Madison, Wisconsin-based team put this query under the microscope and set a goal to build a trainer so quiet, that the only sound is that of your drive train. The result? A direct drive smart trainer that touts a sound specification of 59 decibels at 20 mph. In other words, the H3 is five times quieter than previous generations, making it the quietest smart trainer to ever leave our doors. Following the Saris direct drive smart trainer legacy, the H3 features the same reliably and durability as its predecessors. Each H3 is made from cast and machined aluminum sourced from America’s heartland. Encased inside are components meticulously calibrated to measure power, speed and cadence, as well as a precision-balanced flywheel - all built to handle 2000 watts and replicate a 20% climbing grade. Tested to withstand heavy training, the H3’s internal cooling system will keep the electromagnetic resistance system working – and accurate – long after your legs have given out. - Quieter Than Ever: all new drive system shaves decibels off previous generations. - Precise Training: +/- 2% power accuracy. - Controlled and Consistent: electromagnetic resistance provides a measured workout every time. - Direct Drive Design: widest bike compatibility and eliminates wheel slips. - No External Sensors Required: measures speed, cadence and power. - Seamless Integration: connects to indoor cycling apps with dual ANT+ FE-C and Bluetooth FTMS standards. - Zwift certified. Specs - Noise level: 59 decibels at 20 mph - Power measurement accuracy: +/- 2% - Maximum power output: 2000 watts at 20 mph - Simulates a 20% climbing grade - Fast response electromagnetic resistance - Measures speed, cadence and power – no external sensors needed - 20 lb precision balanced flywheel - Integrated dual ANT+ FE-C and Bluetooth FTMS standards - Built-in front wheel block - Integrated carrying handle - Compatible with Shimano 8-11 speed cassettes - XD/XDR freehubs sold separately (link) - Thru-axle compatible for bike frames with fork widths of 142 or 148. - Quick-release compatible for bike frames with fork widths of 130mm and 135 mm. - Compatible with a wide variety of devices and indoor cycling applications, including Rouvy, Zwift, TrainerRoad and many more. Contact us with questions about compatibility with other software. - Headless mode (powered on, not paired to any apps) lets you ride with a progressive resistance curve that matches the Fluid2 (link). - LED indicator lights communicate connectivity and more. - Direct drive design directly connects the bicycle to the resistance unit, eliminating tire wear. - Internal cooling technology ensures accurate ride data even during the hardest of workouts. - Folding legs provide widest footprint of direct drive indoor bicycle trainers on the market for added stability and easy storage. - Accessible and balanced handle allows for smooth, anyone-can-carry transit of the trainer. - Over the air (OTA) firmware updates and calibration via the Saris app (link to firmware page) - Maximum weight (rider and bike): 300 lbs. - Dimensions when Open L*H*W: 31x18.5x19.5 inches (787.4x469.9x495.3 mm). - Dimensions when Closed L*H*W: 8.5x18.5x19.5 inches (76.2x469.9x495.3 mm). - Weight: 47 lb. (21.3 kg). - Cassette sold separately.
$749.00 $999.99 25% Off
The most powerful and accurate Saris direct drive trainer to date, the H4 sets a new trainer standard with industry leading high-inertia ride feel, and all-new 1% power accuracy. Experience the world’s most challenging climbs from the comfort of your home with 25% simulated incline grade and be ready to put the hammer down on high-octane sprints up to 2,300 watts. The H4 continues Saris’ legacy of exceptional quality and durability with an enhanced cast aluminum housing made in America’s heartland, best-in-class lifetime frame warranty and full two-year parts warranty* Features: • 12 Speed Cassette Compatibility • +/- 1% Power Accuracy • 2,300 Watts • 25% Simulated Incline • Improved Cadence • 20 lb. precision balanced flywheel • Quiet direct drive design • Internal speed, cadence, and power measurements • Dual ANT+ FE-C and Bluetooth FTMS connections Bike Compatibility: • Thru-axle compatible for rear hub widths of 142 mm and 148 mm • Quick-release compatible for rear hub widths of 130 mm and 135 mm • Compatible with Shimano/SRAM 8-12 speed road and gravel cassettes up to 36T • XD/XDR freehubs sold separately • Microspline freehub sold separately
$879.00 - $899.00 $1,065.99 - $1,119.99 Up to 20% Off
The most powerful and accurate Saris direct drive trainer to date, the H4 sets a new trainer standard with industry leading high-inertia ride feel, and all-new 1% power accuracy. Experience the world’s most challenging climbs from the comfort of your home with 25% simulated incline grade and be ready to put the hammer down on high-octane sprints up to 2,300 watts. The H4 continues Saris’ legacy of exceptional quality and durability with an enhanced cast aluminum housing made in America’s heartland, best-in-class lifetime frame warranty and full two-year parts warranty* Features: • 12 Speed Cassette Compatibility • +/- 1% Power Accuracy • 2,300 Watts • 25% Simulated Incline • Improved Cadence • 20 lb. precision balanced flywheel • Quiet direct drive design • Internal speed, cadence, and power measurements • Dual ANT+ FE-C and Bluetooth FTMS connections Bike Compatibility: • Thru-axle compatible for rear hub widths of 142 mm and 148 mm • Quick-release compatible for rear hub widths of 130 mm and 135 mm • Compatible with Shimano/SRAM 8-12 speed road and gravel cassettes up to 36T
$54.00
Our Trainer Axle is designed to adapt your thru-axle equipped bike to on-wheel trainers, such as a 1up, Blackburn, Cyclops, Kinetic, Tacx, Wahoo, and many others. Our goal is to fit the thru-axle to your bike perfectly to minimize spacers and extra parts, providing a clean, high-performance axle for your bike. Train, warm up, and be race ready and fit for the season. - When it’s time for your race or time to head outside, simply remove your bike from the trainer, remove the drive side axle end and go. Our axle is suitable for use on or off the trainer, indoors or out. - The axle shaft and axle ends are precision CNC-machined from 7075 aluminum and hard-anodized for rugged durability. - No special tools required. Design allows for installation or wheel removal using your standard 5mm hex wrench. - Designed, built, and quality tested in the USA. Proven around the world. Important: Before you order, make sure your specific trainer will accommodate the width of your modern thru-axle-equipped bike. Measure your trainer at the widest setting and measure the outside width of your bike frame. Our the trainer axle ends will extend past your frame on each side.
$54.00
Our Trainer Axle is designed to adapt your Surly MDS/Gnot Boost thru-axle-equipped bike to on-wheel trainers, such as a 1up, Blackburn, Cyclops, Kinetic, Tacx, Wahoo, and many others. Our goal is to fit the thru-axle to your bike perfectly to minimize spacers and extra parts, providing a clean, high-performance axle for your bike. Train, warm up, and be race ready and fit for the season. - This axle is for Surly bikes with the MDS/Gnot Boost system. - When it’s time for your race or time to head outside, simply remove your bike from the trainer, remove the drive side axle end and go. Our axle is suitable for use on or off the trainer, indoors or out. - The axle shaft and axle ends are precision CNC-machined from 7075 aluminum, and hard-anodized for rugged durability. - No special tools required. Design allows for wheel installation or removal using your standard 5 mm hex wrench. - Designed, built, and quality tested in the USA. Proven around the world.
$12.99
Keep your handlebar organized and your devices secure with the LW-STD (22.2/25.4/28.6mm) from Minoura. - Alloy clamp for mounting your own device on handlebar or stem - Lightweight and rustproof aluminum construction - Hex wrench required for instillation and removal - Clamp body has (1) M5 Thread hold in center - 22.2 mm-28.6 mm diameter range
$16.99
The Mag Riser Block 3 from Minoura lifts up your front wheel during a training session to be at a natural level. This block fits both MTB and Road bike tire widths. - Fits under front wheel to level the bike to get natural riding on training - Double grooved design fits your narrow or wide ties - Polyethylene material minimizes weight at 1/2 lb. - 8.6D X 4.7W X 2.75H (inches)
$36.99
The TPH-1 Tablet Grip from Minoura is the ultimate tablet holder for indoor training. Fitting a diameter between 28mm and 35mm, this stand will fit most bicycles. - Perfect accessory to use with LiveTraining Apps, The Sufferfest videos, or other media - SM clamp easily mounts or dismounts from the handlebar or tube - Spring-loaded clamp system is simple to use and securely holds your device in place - Holds from a 7.9 to 9.7 inch screen with 360 degree rotation system - Can mount to your repair stand so you can easily reference the Internet when working on your bike
$1,079.00 $1,134.95 5% Off
The Kat 1 Training Station has everything you need for a lifetime of indoor cycling training. We start with our flagship Alloy 4.5 rollers, add the Killer Kool Headwind Fan, the Flywheel, and a Fork Stand. With the Kat 1 Training Station, you can go from easy spinning workouts to maximum intensity workouts. Use the fork stand for extreme sprint efforts or on days when you just don’t feel like concentrating. The Kat 1 Training Station includes:
  • Alloy 4.5 Rollers
  • Killer Kool Headwind Fan
  • Flywheel
  • Fork Stand
Part no. T-2203 | Replacement parts for T-2000 series trainers. Fits behind resistance unit yoke and is held in place by the roller tension knob.
$59.99
Features advanced dual band wireless chip which allows connection with both Bluetooth Smart and ANT+ - Compatible with most apps, smartphones, watches and cycle computers - Includes comfortable and universal fit soft strap
$8.00 $15.00 47% Off
Sweat guard for home trainers
$66.00
Of course you love your Omnium Trainer, but you’re left wondering how you could possibly love indoor cycling training even more. Easy, our non-slip and water-repellent (aka sweat) Floor Mat is designed to keep you safe and protect your floors while in your cycling cleats indoors. And because your cycling training plan asks for incredibly intense efforts, the Floor Mat can ensure firm contact with the ground and prevent movement during leg-busting intervals. Add a Sweat Guard to your indoor cycling collection and you’ve got a training party! - Non-slip surface keep you safe while in cycling cleats - Protects floors from sweat and bike grime - Water-repellent surface does what it was designed to do – keep sweat off your floor - Compress-ability ensures trainer stays put during intense efforts - Easily rolls up for storage - Cleans easily with soap and water - Absorbs noise and vibration - Enhances overall stability of any indoor trainer setup - 4mm (5/32?) thickness is optimal balance of support and storage