Double X Bridge Design: 6/7/8 speed bike chain can quickly catch the shifting action, hollow ultra light bicycle chain has double X bridge type design chain piece, sensitive winding point, more stable running between teeth, and cycling chain can improve riding experienceImpact Resistant: Quenching and heat treatment makes the bike chains impact resistant, one piece stamping structure, high rigidity forging process, mountain bike pedal chain can withstand high strength instantaneous explosive forceColor Plating: The color plated 8 speed chain is anti fading, stylish and exquisite, effectively reducing the number of repairs and making the ride more convenient. This colorful electroplating bicycle chain is assembly and disassembly quick and hassle-freelyHigh Performance and Sensitive: 8 speed chain with embedded shaft, high embedded force, 6 7 8 speed bike chain has strong pulling force, faster response rate, higher transmission rate, road bike chain can reduced power transmission lossAdaptation Standard: This lightweight bicycle chain is fully compatible with 3 major shifting systems, meet your different needs. Mini bike chain is suitable for 6/7/8 speed mountain bike chain, road bike and other bikes