First Generation Derauiller Pulleys for Shimano road and MTB 10 and 11 speed - Hybrid Ceramic CERAMIC OVERSIZED DERAILLEUR PULLEYS Each color is applied with

Each color is applied with a durable finish that resists corrosion and wear

Force XPLR eTap AXS

These bearings offer greater resilience

while retaining accurate shifting

The Aero Kolossos is equally at home in road and crit racing

First Generation Derauiller Pulleys for Shimano road and MTB 10 and 11 speed - Hybrid Ceramic CERAMIC OVERSIZED DERAILLEUR PULLEYS Each color is applied withThese pulleys spin on Grade 3, Abec 5 hybrid ceramic bearings. The same bearings as our bottom brackets. Choose road bearings for lowest friction on road bikes or cross bearings if durability is key (that's for you, cross and gravel racers). The wheels are made of aluminum, which will make them more resistant to wear in muddy conditions. Out of the box, these pulleys will fit on: Shimano road and MTB 10 and 11 speed Campagnolo 11 speed Sram 2x MTB