CeramicSpeed CeramicSpeed OSPW Pulley Wheel 3D Printed Ti Pulley Coated Races Shimano Dura-Ace 9250 & Ultegra 8150

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, titanium pulley wheels with Grade 3 Silicon Nitride balls

-Titanium PVD coated pulley wheels are 3D-printed and hollow for additional weight savings and durability

-Robust cage crafted from polyamide and carbon fiber for durability and light weight

-Coated bearing races increase bearing service life by increasing hardness of race and reducing corrosion

-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

-CeramicSpeed coated bearings include a lifetime warranty