7/8 speed design. Steel inner and outer links with steel chain cage. Multi-clamp to fit 28.6-34.9mm frames. Multi-pull design. Total gear teeth: 48.

• Shimano Altus Mountain Bike Rear Derailleur - Direct Mount - RDM310
• Shimano Acera Mountain Bicycle V-Brake - BR-M422
• Shimano ST-EF51 Shifter/Brake Lever Combo (3x7 Speed)
• KMC Z-72 7-8sp chain (Dark Silver/Brown)
• B003YSS8TK