The SHIMANO SORA 3x9 speed road crank uses a high-end 4-arm design and compact 50-39-30T chainrings and is available in 165, 170, and 175mm crank arm lengths.
The SHIMANO SORA 3x9 speed road crank uses a high-end 4-arm design and compact 50-39-30T chainrings and is available in 165, 170, and 175mm crank arm lengths.
BENEFIT
4-arm design
FEATURE
FC-R3030 ( 50-39-30T )