JHI

Bearing use Headset Bearing model Headset bearings Standard No. 36/36° Inner diameter 40 Outer diameter 51 Width / Height 6.5   Fits some trek bikes.

Solid axle and quick release wheels.

Bearing use Headset Bearing model Headset bearings Standard No. 45° Inner diameter 40 Outer diameter 52 Width / Height 7   Fits Bottecchia Aero Space and others.

Solid axle dual skin wheels. Dual skin rims add more durability and strength to your wheels.