CNC 1-1/8" Bike Threadless Headset, 34/44/41.8-52/44-56mm, Sealed Bearings | Fits 34mm 44mm 41.8-52mm 44-55mm 44-56mm, Semi-integrated, straight & tapered steer tubes for MTB, BMX, Road Bicycle, Ebike

Highlights

• Applicable: 1 1/8" semi-integrated threadless headset for classic bicycle fork, with double sealed headset bearings, star nut, precise construction for stable steering connections on mountain bike, road bike, BMX, Ebike & emtb. Much better sealing and smooth operation, effectively blocks dust, mud and water to reduce bearing wear and extend service life.
• Specification: Ahead headset 1 1/8, Multiple size options, Applicable frame head tube inner diameter: zs34, zs44, zs41.8-52, zs44-55, zs44-56; Compatible with both straight and tapered head tubes. Applicable fork upper outer diameter: 28.6mm, lower outer diameter: 30mm or 39.8mm. For Straight fork headset or 1-1/8” to 1-1/2” Tapered Fork headset. Please refer specifically to the attached drawing.
• Performance: Mountain bike headset 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: Bicycle headset 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, please let us know and we will give you a satisfactory answer.