28.99mm Crank Alloy Bottom Bracket Adjuster,Crank Alloy Bottom Bracket Preload Adjuster,for Dub Bike Crank Upgrade Parts

1. The original SRAM crank adjustment pre-compression ring is made of nylon plastic, which is easy for users with shaking hands.

2. Replacement of aluminum alloy material can improve the problem of twisting and explosion. There is a sealing adjustment ring in the ring, which is an improvement compared to the same product in the market.

3. This product is suitable for SRAM's DUB crank, which is universal for mountain roads, and is not suitable for other brands

4. This product is not the original SRAM factory, but the workmanship and accuracy are higher than the original factory, so you can use it with confidence