مجموعة سلسلة وسلسلة خلفية من Altus RD-M310 7/8 مع حامل مباشر لدراجة MTB/BMX/الدراجة الجبلية

Compatible with 7/8 speed drivetrains, Shimano ALTUS RD-M310 7/8 speed rear derailleur and SUMC 7/8 speed chain
Durable aluminum alloy material and excellent shifting performance ensure safe and stable riding Smooth shifting,
Chain Wrap Capacity: 43teeth, Derailleur Action: Top-Normal (Traditional), Largest Cog: 34teeth, Pulley: 13t upper & 15t lower
Weight 326g, direct mount
SIS Index Shifting drivetrains, Smooth shifting, easy and fast to install.
1x rear derailleur, 1x chain(chain link is included)

Chain Wrap Capacity: 43teeth, Derailleur Action: Top-Normal (Traditional), Largest Cog: 34teeth, Pulley: 13t upper & 15t lower

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