Product Detail 產品詳情 - Bicycle Cluster

Components Bottom Bracket Bottom Bracket

B920HAL(B920HBAL)

Neco Technology Industry Co., Ltd.

Cartridge Cotterless B.B. Sets

https://www.necoparts.com/en/product/Cartridge-Cotterless-B.B.-Sets/B920HAL%28B920HBAL%29.html