Product Detail 產品詳情 - Bicycle Cluster

Transmission Chains Chain Adjuster

RH-AT09-H

Mr. Control (Fouriers)

Chain adjuster. For 10mm or 14mm dropout. OPTION: 3 different length bolt 12mm, 15mm, 18mm

https://www.mrcontrol-bike.com/product_d.php?lang=en&tb=1&id=790