Phil Wood 6903X Cartridge Bearing | Sealed Waterproof Cycling Component Brand_Sapim weather-resistant materials and featuring 3M

weather-resistant materials and featuring 3M Thinsulate insulation for exceptional warmth retention in freezing temperatures

precise wheel attachment and stability

Slimmer than V-Type 2 pads for reduced weight and improved aerodynamics

Designed for bicycle maintenance professionals and dedicated cyclists

Phil Wood 6903X Cartridge Bearing | Sealed Waterproof Cycling Component Brand_Sapim weather-resistant materials and featuring 3MPhil 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