1. Threadless Mountain Bike Headsets Double Bearing 41.8-52mm Tapered Front Fork Replacement Cycling Accessories

Features: The headsets is make of aluminium alloys, strong, light weight.
Adopts a double bearing structure, which significantly reduces frictions, making steering smooth and control more accurate.
41.8-52mm headsets applicable frame head tube: upper inner diameter 41.8mm, lower inner diameter 52mm.
Suitable front fork: 28.6mm straight tube front fork, or the taper tube with upper diameter of 28.6mm and a lower diameter of 39.8mm.
Practical accessory for replacing old or damaged headphones on bicycles.

Specifications: Component: Aluminum Alloy
Upper Inner Diameter: 41.8mm/1.65inch
Lower Inner Diameter: 52mm/2.05inch

Package Includes: 1set Bicycles headsets

note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.