Z1 Narrow RB 链条（RB防锈系列）

【High Pin Power with Reinforced Durability｜Quieter Riding Experience】

【Anti-Drop Design｜Wider, Thicker, Safer】

【Rust Buster – Rust Shield｜Defense from the Elements】

【Patented RB Anti-Rust Coating｜Surpasses 500 Hour Salt Spray Test】

Features:

Chain drop probability reduction

Expeditious shifting

Anti corrosion

Internal Gear Hub system compatible