
- Altus mountain bike rear derailleur with light action operation and over-size pulleys for a wide gear choice
- Oversize 13/15-tooth tension and guide pulleys to reduce noise and wear
- Extension spring and low-friction fluorine-coated link pivot bushing result in a light shifting action
- Top normal spring for use with Rapidfire shifters
- IG and HG chain, 7- and 8-speed compatible
- For use with 28 to 34 tooth low rear sprockets, total capacity 43 teeth
Description

- Altus mountain bike rear derailleur with light action operation and over-size pulleys for a wide gear choice
- Oversize 13/15-tooth tension and guide pulleys to reduce noise and wear
- Extension spring and low-friction fluorine-coated link pivot bushing result in a light shifting action
- Top normal spring for use with Rapidfire shifters
- IG and HG chain, 7- and 8-speed compatible
- For use with 28 to 34 tooth low rear sprockets, total capacity 43 teeth
Rider Owned Bike Shop
Talk to our team
We ride what we sell.
We ride and test every brand that we sell. We even have a race team who test parts and bikes to their limits, so we know what's truly good and can withstand UK riding conditions. We are all riders here at Wheelie, so if you have a question or want a recommendation, we are here to help.
Trusted by riders
Real reviews from real riders.
5.0
Average rating
500+
Verified reviews
9+ yrs
Serving riders
Verified reviews
What riders are saying.
Shimano RD-M310 Altus 7/8 Speed Derailleur
£34.99