Description:
Made of high-quality aluminum alloy material, anti-rust, anti-corrosion, durable.
Designed to work with BB30 386 and PF30 bottom brackets.
Suitable for frame with bottom bracket length 68mm/73mm.
After conversion, ordinary hollow chainrings with 24mm shaft core suit for SHIMNAO, , FSA, etc. can be installed
There are backing rings, depending on the actual situation, choose the pad and not pad
Package Includes:
1 Piece Bicycle Bottom Bracket