Altus M310 7/8 Speed Rear Derailleur Cage:Small Avoid leaving it in direct

Avoid leaving it in direct sun for extended periods

Lightweight construction keeps the overall bike weight in check without sacrificing retention

a matched road groupset derailleur is more appropriate

Sizing here means derailleur compatibility

compromising both the tool and your bolts

Altus M310 7/8 Speed Rear Derailleur Cage:Small Avoid leaving it in directThe Shimano Altus M310 is a 7 8 speed rear derailleur built for hybrid and commuter bikes across India. Whether you're threading through Pune traffic, grinding up the Ooty ghat roads, or logging weekend kilometres around Hyderabad, this component delivers consistent, predictable gear changes without demanding constant attention or expensive upkeep. Use Cases Daily training. Reliable use across Indian training conditions heat, humidity, and rough