Quality Headset Bearings (ACB Angular Contact Bearings) sold individually ACB6808SS 40 x 51 x 6.5 36°/36° Trek Part number: 290413, 417578, Cane Creek Part Number: HD1449S, Enduro Part Number: ACB6808SS – 417578 – Madone Lower Headset Bearing. Compatible with: 2013+ 7 Series, 2010+ 6 Series, 2011+ 5 Series, 2012+ 4 and 3 Series, 2013+ Domane, 2010+ Ion and Cronus. Please check your original bearing sizes before ordering
The manufacturer supplies OEM to Giant Bicycles, FSA, VP, NECO and many more so you can have confidence in the quality.
Priced and sold individually to give control to the customer, measurements are in millimetres and are IDxODxH (Internal Diameter x Outside Diameter x Height) .
Seal colour may vary.