Enduro CO MR 17287 17mm x 28mm x 7mm Hub Bearing - 17mm - 28mm - 7mm - ABEC-5 Ceramic Radial Bearing - Black Oxide Envelope Shipping Spare liner

Spare liner

Included is a small

Pros: Excellent quality as can be expected from Park Tool

Pump Type: High Volume

Removable protective inserts for washing: The insert is not removable for washing

Enduro CO MR 17287 17mm x 28mm x 7mm Hub Bearing - 17mm - 28mm - 7mm - ABEC-5 Ceramic Radial Bearing - Black Oxide Envelope Shipping Spare linerCO MR 17287LB Enduro Zero, Black Oxide, Ceramic Hybrid, ABEC 5, radial Bearing (C3 clearance) 17 x 28 x 7mm Enduro Zero, Ceramic Hybrid, ABEC 5, radial bearing featuring black oxide treated 52100 high Carbon Chromium alloy races paired with Grade 5 Silicon Nitride Ceramic balls, with dual lip labyrinth (LLB) seals to withstand the outside elements and to contain the 90% fill Mobilux NGLI 2 high pressure water proof synthetic grease. Si3N4 ceramic