B 543 2RS AC - 1-1/2 Angular Contact Headset Bearing (Cannondale Lefty) TH-873 Radial Bearing (C3 clearance) -

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

BKSM-8142 - Maxhit

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

Giant and Bontrager

MR 22371 LLB-E - ABEC-3

B 543 2RS AC - 1-1/2 Angular Contact Headset Bearing (Cannondale Lefty) TH-873 Radial Bearing (C3 clearance) -B 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