Applicable: 1 1/8" headset for classic bicycle fork, threadless,sealed bearings, precise construction for stable steering connections on bicycle, MTB, BMX, road, mountain bike. Much better sealing and smooth operation.
Specification: Ahead headset 1 1/8, semi-integrated headset; Applicable frame head tube inner diameter: ZS 34mm/44mm/41.8-52mm/44-55mm/44-56mm; Applicable fork upper outer diameter: 28.6mm, lower outer diameter: 30mm or 39.8mm. For Straight fork or 1-1/8”to 1-1/2”Tapered Fork. Double Purpose Corrosion Resistance Taper Headset.Please refer specifically to the attached drawing.
Performance: CNC machined, The built-in ball bearings come pre-lubricated from the factory, allowing for smooth and controllable steering.. This is especially beneficial for vintage bicycles, which often require sensitive handling. The combination of precise bearing guidance and solid processing significantly improves the overall stability of the steering system.
Material: Forged 6061-T6 aluminum alloy, wear-resistant and durable, CNC precision machined, with strong sealing, responsive steering, and high operability,Extend service life.The first choice for bike headset replacement parts.
Main Reminder: Before purchasing, please check the attached image. First confirm the frame head tube size, then confirm the upper and lower fork outer diameters (straight or tapered) and choose the correct specification. If you have any questions, contact us in time, and we will provide a perfect response.