Full Speed Ahead Micro ACBBlue/Gray Seal Headset Bearing 45x45 Stainless 1-1/8"
All Riders. No Attitude. Our motto is 'All Riders, No Attitude!'. We're here to provide friendly and personal service for all cyclists. Bearing I.D. (mm): 30.5. Bearing O.D. (mm): 41.8. 45/45 degrees is Campagnolo-compatible.