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- With forged and CNC machined crmo cups and oversized 1/4 inch bearings in the lower cup, this headset will not let you down
- FSA sl-k RNUMxRNUMT stem was constructed to provide rigid support for the handlebars, feeling similar in both weight and stiffness
- Manufactured in Taiwan
12mm "Deep Cup" design. Nylon top cover. Forged and CNC machined steel cups. 5/32" x 20 upper bearings 3/16" x 20 oversized lower bearings 24.7mm stack height 149g
Full Speed Ahead FSA Hammer Threadless Heavy Duty Bicycle Headset Black B003J7XCRO