Product Details
Array of options delivers optimal gravel gearing for variety of needsThe 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.
. Optimal gearing for mixed-terrain riding
. 10-45T and 10-51T cassette options serve array of riding styles
. 38T and 40T chainrings available
Model Number
. FC-RX610-1Series
. GRX 12-speedColour
. Series colorAverage weight
. 791 (38T) 812 (40T)Rear speeds
. 12Compatible chain
. HG 12-speedChain line (mm)
. 49.7P.C.D. (mm)
. 110Spider/gear arms
. 4Chainring combination
. 38T, 40TQ-factor (mm)
. 151
What Sets Alchemy Apart
The best pre-owned bikes
When you buy a pre-owned bike from Alchemy Cycle Trader, you’re getting more than just a great deal. Every bike is roadworthy certified, comes with a 3-month warranty, and includes your first service free - so you can ride away with complete confidence.
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In-house Active Thermography Carbon Fibre Testing for extra peace of mind on pre-owned bikes.
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Expert Servicing & Ongoing Support
Our professional workshop team is here to keep your bike running at its best long after you’ve taken it home. From routine servicing to performance tuning, our qualified mechanics ensure your ride stays smooth, safe, and ready for every adventure. Whether it’s your first free service or future maintenance, you can count on Alchemy Cycle Trader for trusted support and expert care. Learn more about our workshop services.
