B 543 2RS AC - 1-1/2 Angular Contact Headset Bearing (Cannondale Lefty) TH-873 01x11/15x12

01x11/15x12

MR 22371 LLB-E - ABEC-3

Radial Bearing (C3 clearance) - 20mm x 30mm x 9mm -

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

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

B 543 2RS AC - 1-1/2 Angular Contact Headset Bearing (Cannondale Lefty) TH-873 01x11/15x12B 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