B 543 2RS AC - 1-1/2 Angular Contact Headset Bearing (Cannondale Lefty) TH-873 precision-machined aluminum cups that thread

precision-machined aluminum cups that thread directly into the BB shell

We also manufacture and stock seals for many suspension forks that are no longer supported by the original manufacturer

The most common use for this bearing is as a replacement bearing for Shimano external-cup

Angular Contact Bearing Bottom Bracket for T47 Framesets and 30mm Cranksets (for older specification spindles under 90mm wide)

• BBT-46x12-29 – Pro Cup socket tool for 46mm x 12-spline bottom brackets and SRAM DUB cranksets

B 543 2RS AC - 1-1/2 Angular Contact Headset Bearing (Cannondale Lefty) TH-873 precision-machined aluminum cups that threadB 543 2RS AC 1 1 2 Angular contact Headset Bearing (Cannondale Lefty) 1 9 16 x 2 x 9 32 inch 1 1 2 Angular contact Bearing for Internal Headset featuring 52100 High Carbon Chromium alloy races paired with grade 10 Balls. (Cannondale Lefty) The Enduro line of angular contact headset bearings start with Black Oxide treated Chromium Steel races, steps up to full 440C stainless steel, and the top of the line is, lifetime guaranteed, XD15 aerospace