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Shimano Altus M310 Derailleurs group contains SL-M315 FD-M310 RD-M310 3x7s 3x8s 21s 24s shifter levers Front Rear Derailleur
![Original Altus M310 M315 Mini Set 7 8 Speed 21s 24s MTB Bike FD-M310 Front RD-M310 Rear Derailleur SL-M310 Shifters Optional Original Altus M310 M315 Mini Set 7 8 Speed 21s 24s MTB Bike FD-M310 Front RD-M310 Rear Derailleur SL-M310 Shifters Optional](https://ae01.alicdn.com/kf/H1f8559d19c17444d98b1885bdb125b0eN/Original-Altus-M310-M315-Mini-Set-7-8-Speed-21s-24s-MTB-Bike-FD-M310-Front.jpg)
Original Altus M310 M315 Mini Set 7 8 Speed 21s 24s MTB Bike FD-M310 Front RD-M310 Rear Derailleur SL-M310 Shifters Optional
![Amazon.com : MEGHNA Shimano Altus Rear Derailleur RD-M310 7/8 Speed Mountain Bike Rear Derailleur Direct Mount : Sports & Outdoors Amazon.com : MEGHNA Shimano Altus Rear Derailleur RD-M310 7/8 Speed Mountain Bike Rear Derailleur Direct Mount : Sports & Outdoors](https://m.media-amazon.com/images/I/41Febt-pbVL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFOURANDHALF%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA111%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)