First Generation Derailleur Pulleys for Shimano 10 and 11 Speed - Full Ceramic derailleurtype-Campagnolo Wheel bearings are a complicated

Wheel bearings are a complicated matter

choose cross seals

Available exclusively in our Kratos sintered compounds that offers the best durability in wet environments and intense braking

Fits Rotor 30mm

First Generation Derailleur Pulleys for Shimano 10 and 11 Speed - Full Ceramic derailleurtype-Campagnolo Wheel bearings are a complicatedThese pulleys will just not stop spinning! Don't take our word for it, just listen to our friend and badass racer Allison Linnell, doing a full spindown on video right here. The name of these pulleys came from the fact that Instagram videos were limited to 15 seconds. There is no way to show how well they spin in 15 seconds. Since then Instagram has lifted the long video ban and Kogel is looking to rename this amazing product. Send us your