Phil Wood Cartridge Bearing 6001 - 12x28x8 Ea AB-1000 Alloy Bolt-On Hubs It features an all-new T-Type

It features an all-new T-Type cable actuation ratio to provide the most precise and crisp shifts every time

The Ritchey Comp Zero Carbon post offers no-slip saddle engagement and high adjustability by securing the rails with fore and aft bolts

durable CNC-machined aluminum

optimized for braking performance and dirt shedding

Head rotates for easy viewing

Phil Wood Cartridge Bearing 6001 - 12x28x8 Ea AB-1000 Alloy Bolt-On Hubs It features an all-new T-TypePhil Wood and Company is credited for pioneering the first production sealed bearing cycling components 100% filled with Phil Waterproof Grease for maximum durability Bearings with an "X" have the same seals as those specified for submersible motor pump bearings Bearing# 6001 ID X OD X W (mm) 12x28x8