Shimano GRX FC-RX610 1X12 Speed Chainset, 38T, 175mm

Shimano GRX FC-RX610 1X12 Speed Chainset

Features:

• Optimal gearing for mixed-terrain riding

• 10-45T and 10-51T cassette options serve array of riding styles

• 38T and 40T chainrings available

• Anodized aluminium crank arms

• Lightweight aluminium chainring

• Compatible with 12-speed HG chains

Array of options deliver optimal gravel gearing for variety of needs.

The 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 and 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 175mm crank arm lengths, adding an additional level of customization.

Technical specifications:

• Speeds: 1x12s

• Chainring size: 38T or 40T

• Crank arm length: 160mm, 170mm, 172.5mm, 175mm

• BCD: 110mm

• Spindle: 24mm

• Crank arm material: Aluminium

• Chainring material: Aluminium

• Weight: 815g (40T, 172.5mm)