Shimano RD-M3020 Acera 8/7Spd Rear Derailleur Black x2 Padded shoulder straps and a

Padded shoulder straps and a fully cushioned back enhance the comfort of the Basil B-Safe Backpack

Improved sealing to stop dirt ingress and to reduce drag

Touchscreen Control: Multi-touch gestures make zooming

SRAM has redefined road gearing by optimizing the front chainring size and expanding the rear cassette range while preserving a 13-tooth delta between the chainrings

Shimano RD-M3020 Acera 8/7Spd Rear Derailleur Black x2 Padded shoulder straps and aThe SHIMANO ACERA M3020 8 rear derailleur with Double Servo technology helps you ride challenging terrain with fewer interruptions. Double Servo construction for smooth and precise shifting Versatile performance and wide compatibility Max. low sprocket: 40T Total capacity: 45T