ACB 3645 3748 BO - 1-3/8 Black-Oxide treated Angular Contact Headset Bearing (37x48x6.5-36/45) TH-873 The 6"/150mm capacity is large

The 6"/150mm capacity is large enough to measure just about any necessary part on a bicycle

5mm thick 6061 Aluminum Spacer for SRAM DUB Cranksets

52100 High-Carbon Chromium alloy races paired with two rows of grade 10 Balls

Weight - 15

ACB 3645 3748 BO - 1-3/8 Black-Oxide treated Angular Contact Headset Bearing (37x48x6.5-36/45) TH-873 The 6"/150mm capacity is largeACB 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