I made this hub for my bmx, it take 6hs of machining and 700gr of aluminum, The finished hub weights 230gr (sealed bearings and bolts included). It has a 15mm axle with 3/8"x24tpi bolts and 6902-rs bearings (15x28x7mm). 36 spoke holes.
Teachers! Did you use this instructable in your classroom?
Add a Teacher Note to share how you incorporated it into your lesson.
Participated in the