Headset ISB SPORT HS1 3544H5,5 2RS Bearing 35x44x5.5 36°/45°
Chrome steel rings
Chrome steel balls
Nylon cage
Rubber sealed covers
Water resistant lubrication.
ISB Sport catalogue no.: 13980095
Compatibility: Canyon/Acros
Upper Bearing (AC3544) that is used on Canyon bikes that have AI-70 headset. (For Canyon 2016+ models: R36 Endurace CF SLX, R39 Ultimate CF SLX, R28 Aeroad CF SLX)
Part of Canyon # GP7172-01 Headset Bearing Set. For Lower Bearing (AC3344) - please check ISB Sport 13980730