- 【Multi-Speed Compatibility】Technical Breakthrough：Dual-bridge groove design compatible with mainstream 6-11 speed drivetrain systems such as Shimano HG71/SRAM PC-830.Precise Fit：1/2 x 11/128-inch chain links perfectly match 27.5/29-inch mountain bikes, 700C road bikes, and 20-inch folding bikes, covering 95% of market demand.Weight Control：Multicolour：6/7/8 Speed 314 grams,9 Speed 294 grams, 10 Speed 291 grams, 11 Speed 257 grams. Silver: 6/7/8 Speed 334 grams,9 Speed 290 grams, 10 Speed 283 grams, 11 Speed 258 grams
- 【Industrial-Grade Durability】Material Science：Rigid carbon steel quenching heat treatment process, tensile strength up to 11,000 PSI (30% higher than traditional chains). Rust Prevention Technology：Full silver-plated surface passes 48-hour salt spray test, rust resistance improved 5 times, suitable for humid environments.Structural Innovation：One-piece stamping chain links high-rigidity forging process, can withstand 2,800N instantaneous explosive force, suitable for high-intensity riding.
- 【Tool-Free Installation】Master Link Design：Adopts the same PowerLock master link as SRAM, can be disassembled/installed by hand in 30 seconds.Gift Tool Kit：Includes 3 spare master links Chain Plier installation hook, supports DIY maintenance.Cleaning Convenience：Detachable chain link design supports ultrasonic cleaner deep cleaning.
- 【Performance-Driven Design】Transmission Efficiency：Precision-ground chain links reduce friction resistance by 15%, improve pedaling power.Wear Resistance Test：Passed 10,000 shifting tests, chain link wear <0.1mm (industry standard 0.3mm).Silent Optimization：Chain link chamfer design reduces 80% transmission noise, suitable for urban commuting.
- 【Worry-Free Warranty】After-Sales Guarantee：6-month warranty 24-hour response customer service, free replacement of non-human damaged parts. Data Endorsement：Served over 10,000 cycling enthusiasts, 98% users feedback easy installation. Environmental Commitment：Lead-free electroplating process, compliant with EU RoHS standards.
