Shimano GRX FC-RX610 Chainset 38T - Single - 12-Speed - 2 Piece Design - 172.5 mm
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Description
Array of options delivers 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 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.