Preminum Material: Bike headset expander stem top cover is made of superior quality aluminum alloy material, and with finest workmanship, which is wear resistant, sturdy and durable, and has a long service life.
Wide Applicaption: Bike headset expander stem top cover strong compatibility, it is suitable for standard 1 1/8 28.6mm head tube, standard M6 screw, applicable diameter is min. 23.5mm/0.9in, max. 25.8mm/1.0in. And be sure to your size before ordering.
Reasonable Design: High strength with front fork, suitable for carbon fiber or aluminum or iron head tube. And it can help improve the overall performance.
Front Fork Hanging Core: The front fork hanging core does not damage the front fork, it is reusable, light weight and strong. And it brings much convenience.
Expansion Lock Block: 3 sections are used. Compared with ordinary 1 section and 2 sections, the force bearing area is larger and the coordination is better. And it provides better experience.
