• Shimano Acera Rear Derailleur - 7/8 Speed Mountain Bike Derailleur With Oversize Pulleys
  • Shimano Acera Rear Derailleur - 7/8 Speed Mountain Bike Derailleur With Oversize Pulleys
  • Shimano Acera Rear Derailleur - 7/8 Speed Mountain Bike Derailleur With Oversize Pulleys
  • Shimano Acera Rear Derailleur - 7/8 Speed Mountain Bike Derailleur With Oversize Pulleys
  • Shimano Acera Rear Derailleur - 7/8 Speed Mountain Bike Derailleur With Oversize Pulleys
  • Shimano Acera Rear Derailleur - 7/8 Speed Mountain Bike Derailleur With Oversize Pulleys
  • Shimano Acera Rear Derailleur - 7/8 Speed Mountain Bike Derailleur With Oversize Pulleys
  • Shimano Acera Rear Derailleur - 7/8 Speed Mountain Bike Derailleur With Oversize Pulleys
  • Shimano Acera Rear Derailleur - 7/8 Speed Mountain Bike Derailleur With Oversize Pulleys
  • Shimano Acera Rear Derailleur - 7/8 Speed Mountain Bike Derailleur With Oversize Pulleys

Product Details

Web ID: 1259266

Mountain bikers, this Shimano Acera rear derailleur is a solid, reliable choice for keeping your shifting smooth and precise on the trails. Designed for 7 and 8-speed systems, it works with both IG and HG chains and handles low rear sprockets from 28 to 34 teeth with a total capacity of 43 teeth. The light action operation makes shifting feel effortless, even when you're tired on those long climbs.

The oversize 13-tooth tension and guide pulleys are a really nice feature - they reduce noise and wear while improving chain engagement. The extension spring combined with the low-friction fluorine-coated link pivot bushing creates that smooth, light shifting feel Shimano is known for. It uses a top normal spring design that's specifically compatible with Rapidfire shifters.

Whether you're building up a new bike or replacing a worn derailleur, this Acera model delivers that quality Shimano performance at an affordable price point. The construction is durable enough for trail riding while providing precise shifting that helps you maintain momentum and control. Installation is straightforward if you're familiar with bike mechanics, and once set up properly, you'll enjoy reliable shifting mile after mile.