![Amazon.com : Shimano Acera M360 7 and 8-Speed Rear Derailleur with SmartCage, Black : Rear Bike Derailleurs : Sports & Outdoors Amazon.com : Shimano Acera M360 7 and 8-Speed Rear Derailleur with SmartCage, Black : Rear Bike Derailleurs : Sports & Outdoors](https://m.media-amazon.com/images/I/512QmHkBQSL._AC_UF1000,1000_QL80_.jpg)
Amazon.com : Shimano Acera M360 7 and 8-Speed Rear Derailleur with SmartCage, Black : Rear Bike Derailleurs : Sports & Outdoors
![SHIMANO ACERA RD-M3020 SGS MTB Rear Derailleur 7/8 Speed 3x7s 3x8s Mountain Bicycle Bike Original Parts - AliExpress SHIMANO ACERA RD-M3020 SGS MTB Rear Derailleur 7/8 Speed 3x7s 3x8s Mountain Bicycle Bike Original Parts - AliExpress](https://ae01.alicdn.com/kf/Sf12052d6599a465eb62608f2cf55aa79R/SHIMANO-ACERA-RD-M3020-SGS-MTB-Rear-Derailleur-7-8-Speed-3x7s-3x8s-Mountain-Bicycle-Bike.jpg)
SHIMANO ACERA RD-M3020 SGS MTB Rear Derailleur 7/8 Speed 3x7s 3x8s Mountain Bicycle Bike Original Parts - AliExpress
![How to Upgrade Bike Drivetrain Shimano Altus 3X8 To Deore M5100 1X11 On Trek Marlin 6 2015 - YouTube How to Upgrade Bike Drivetrain Shimano Altus 3X8 To Deore M5100 1X11 On Trek Marlin 6 2015 - YouTube](https://i.ytimg.com/vi/i9KqQjxVGMA/maxresdefault.jpg)
How to Upgrade Bike Drivetrain Shimano Altus 3X8 To Deore M5100 1X11 On Trek Marlin 6 2015 - YouTube
![My bike has a Shimano Acera 7/8S rear derailleur with 14-34T 7 speed Freewheel. I'm looking to upgrade to a cassette system for better range. Will this cassette from aliexpress work fine My bike has a Shimano Acera 7/8S rear derailleur with 14-34T 7 speed Freewheel. I'm looking to upgrade to a cassette system for better range. Will this cassette from aliexpress work fine](https://i.redd.it/6999i2ehqq161.jpg)