Material: Forged and CNC machined steel cups and oversized 1/4 inch bearings in the lower cup, this headset will not let you downk.
Specification: Use for 1-1/8" (28.6mm) Straight Fork Tube, Headtube ID.: 34mm, Crown Race: 30mm
Durable, smooth, light-weight, long-lasting headset, representing the perfect balance of performance. Suitable for MTB, road bike, convenient and durable.
1-1/8" Threadless headset Completed with star nut and bolt.