Shimano RD-M310 Altus SGS Rear Derailleur Black

The Shimano RD-M310 Altus SGS Rear Derailleur Black is a 7/8-speed MTB-style component group for city sport and youth bikes. In addition to excellent cost performance, ALTUS provides a feeling of "easy control" that inspires confidence, especially among novice cyclists and younger riders.

Shimano RD-M310 Altus SGS Rear Derailleur Black Extra Info

• 7/8-speed MegaRange MTB rear derailleur
• Wide link design for more rigidity and precise shifting
• Advanced light action
• Oversize 15-tooth tensioner and 13-tooth guide pulleys reduce noise and wear