Product Detail 產品詳情 - Bicycle Cluster

Transmission Cassette Cassette Lock Ring

M-HUB

Mr. Control (Fouriers)

Hub ring nut (free wheel). OPTION: 11T (OD: Ø35.5),12T (OD: Ø38)

https://www.mrcontrol-bike.com/product_d.php?lang=en&tb=1&id=685