Series: ALTUS series. Cable Pull: Dual Pull. Speed: 8 Speed. Rear Speeds: 7/8-speed. front difference：20 teeth. Top sprocket|Max.: 14 teeth. Top sprocket|Min.: 11 teeth. Low sprocket|Min.: 28 teeth.
Shimano Altus M310 7/8 Speed FD-M310 RD-M310 Front Rear Derailleur Direct Mount
Shimano Altus M310 7/8 Speed RD-M310 Rear Derailleur Hangar Mount (RD-RDE-M310)
Shimano Altus M310 7/8 Speed RD-M310 Rear Derailleur Hangar Mount RDE-M310 UK
