Shimano Acera M3020 8 Speed SGS Long Cage Rear Derailleur in Black

Shimano Acera M3020 8 Speed SGS Long Cage Rear Derailleur in Black

Shimano brakes, gears, components and cycling accessories incorporate more than 45 years of cycling vigour built into each design; their experience and expertise make them the popular choice of the professional and amateur cyclist the world over.

Shimano Acera M3020 8 Speed SGS Long Cage Rear Derailleur in Black

Acera mountain bike rear derailleur with light action operation and over-size pulleys for a wide gear choice

Oversize 13-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