SHIMANO GRX FRONT CHAINWHEEL FC-RX610The SHIMANO FC RX610 1 crank balances weight savings, optimized efficiency and an array of gearing options that cater to the segmented demands of mixed terrain riding. By pairing a 10 45T or 10 51T cassette with 38T or 40T chainring, riders can choose closer gear steps or ultimate range depending on personal need. The FC RX610 1 comes in 165, 170, 172. 5, and 175 mm crank arm lengths, providing an additional level of customization. BENEFIT Optimal

front difference 0T

Recommended brake lever: BL-MT500

Compatible rear derailleur type                      MTB 7-speed

Although it is casual than lipstick

ETRTO: 40/62-584

Surface form: Narrow

Excellent choice for replacement or an upgrade

hydrogen oil

There are 5 color options (Red/Black/Blue/Gold/Silver)

135 x 12 -

Brake Caliper Type: Post Mount

focus and control