CeramicSpeed Oversized Pulley Wheel System for Shimano Dura Ace 9200/Ultegra 8100

CeramicSpeed Oversized Pulley Wheel System for Shimano Dura Ace 9200/Ultegra 8100 - Alloy Pulley, Carbon Cage, Black

The CeramicSpeed Oversized Pulley Wheel System provides optimization and increased efficiency of the rear derailleur through its extremely low-friction bearings and unique overall design.

- Features 13-tooth upper and 19-tooth lower, aluminum pulley wheels with Grade 3 Silicon Nitride balls
- Robust cage crafted from polyamide and carbon fiber for durability and light weight
- Hardened steel bearing races
- Compatible with Dura Ace 9200 and Ultegra 8100 series (Fits 11-30 and 11-34 Shimano 12spd Cassette options)
- Four spring tension settings allow customized setup based on ride conditions
- Integrated stop tower for simple installation and durability

Specifications:
Largest Cog: 34
Fits Brand: Shimano
Fits Model: Dura-Ace R9200 Series / Ultegra 8100 Series
Drivetrain Speeds: 12