SHIMANO RD-M310 ALTUS 9-SPEED SGS REAR DERAILLEUR Giant-kids Clamping: 31

Clamping: 31

8 mm diameter

Rear Hub: Giant aluminium 20 hole

Wider bearing spacing for uniform load distribution

Glossy Black

SHIMANO RD-M310 ALTUS 9-SPEED SGS REAR DERAILLEUR Giant-kids Clamping: 31The use of 13 and 15 tooth pulleys allows for a shorter chain cage that can still handle MEGARANGE gearing, wide ratio gearing and 34 tooth sprockets. The SMART CAGE pulley plate of the Shimano ALTUS RD M310 rear derailleur not only looks better on the bike, it also provides the added benefit of more ground clearance. Specification Use: MTB Group: ALTUS Model: RD M310 Cage: short Gear: 7 8 speed Compatible Chain: HG 7 8 speed Max. teeth large