The Sinz Integrated Step-Down Headset solves an awkward mismatch: a frame with a 1-1/8" integrated head tube and a fork with a 1" steerer tube. It steps the frame down to suit the smaller steerer, so you can keep running the fork you have.
It uses a 1" compatible bearing race, compression ring and top cover, with sealed cartridge roller bearings and a stainless fork race. A star nut, headset bolt and etched alloy top cap are included, and the whole lot weighs 2.1oz.
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