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Angular Contact stainless steel bearings pressed into precision machined aluminum T47 cups that simply thread directly into the BB shell
Our bearings are engineered with the deepest groove raceways possible to accommodate larger balls
The 6"/150mm capacity is large enough to measure just about any necessary part on a bicycle
Precision machined Delrin Derailleur pulleys featuring XD15 Ceramic-Hybrid
ACB 3645 3748 BO - 1-3/8 Black-Oxide treated Angular Contact Headset Bearing (37x48x6.5-36/45) TH-873 Angular Contact stainless steel bearingsACB 3645 3748 BO 1 3 8 Angular Contact Headset Bearing (37mm x 48mm x 6. 5mm: 36 45deg). Angular contact headset bearing featuring anti corrosion Black Oxide Magnetite treated 52100 High Carbon Chromium alloy races paired with grade 10 Balls. Black Oxide treatment provides an extra level of corrosion resistance and extended worry free performance. The Enduro line of angular contact headset bearings start with Black Oxide treated Chromium Steel races
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