| XIANQI Bike Chain, Rust Proof Colorful Electroplating 6 7 8 Speed Chain for Road Mountain Bikes [Sensitive] Bike chain can quickly catch the shifting action, double X bridge type design chain piece, sensitive winding point, more stable running between teeth, and improve riding experience. [High Performance] 8 speed chain with embedded shaft, high embedded force, strong pulling force, faster response rate, higher transmission rate, reduced power transmission loss, and enhanced service life. [Impact Resistant] Quenching and heat treatment makes the bike chain impact resistant, one piece stamping structure, rigid forging process, can withstand high strength instantaneous explosive force. [Adaptation … | |