The SHIMANO FC-R345 crank uses an OCTALINK bottom bracket interface and a compact 50-34T 2x9 speed compatible chainrings.
FEATURES
- HYPERDRIVE SG-X chainrings
- Lightweight and smooth shifting for entry rider comfort riding
- Appropriate gear ratio 50-34T
- BB-ES300
The SHIMANO FC-R345 crank uses an OCTALINK bottom bracket interface and a compact 50-34T 2x9 speed compatible chainrings.
FEATURES
- HYPERDRIVE SG-X chainrings
- Lightweight and smooth shifting for entry rider comfort riding
- Appropriate gear ratio 50-34T
- BB-ES300