Tapered Steer Tube Conversion Ring Fork Adapter 1-1/8 Inch to 1-1/2 Inch. Fit headset size: 52/55/56mm bearing lower headset.
This bicycle repair under wheel fork with straight tube front fork is installed to attach to the bottom of the front fork tube and the lower part of the headset to prevent the headset from turning.
Made of quality aluminum alloy material, which is durable, practical and wear-resistant.
The lower bearing angle of this bicycle bowl set: 45 degrees, please confirm before installation.