Level: ALTUS. Speed: 3 Speed ，8Speed ，3X8 Speed. Model: SL-M310 with original stainless steel variable speed inside.
Shimano Altus Shimano FC-M311 Altus Square Taper Chainset 42/32/22T With Chaingu
SHIMANO Altus FD-M315 Altus front mech, 7/8-speed double, top swing, dual pull, multi fit, EFDM315TSX4, Black
BN Shimano Altus FD-M313 Front Derailleur Mech & 3X8 Speed Altus Shifter STX RC
Shimano Altus RD-M310 Add Altus FD-M310 MTB Bicycle Front Rear Derailleur
SHIMANO Altus ST-EF41 EZ fire plus STI set for V-brakes, 3x7-speed, 2-finger lever, black One Size,STEF41P7AL
SHIMANO Altus Front Derailleur FD-M310 31.8/34.9mm 7/8S Black
