Product Detail 產品詳情 - Bicycle Cluster

Material & Processing Hardware Screw / Bolt

MCK-10

Mr. Control (Fouriers)

Chainring bolt. W: 5mm or 7mm OPTION: 1. Torx 30 available 2. AR-12 x 10 (H: 2.5mm)

https://www.mrcontrol-bike.com/product_d.php?lang=en&tb=1&id=1839