Shimano GRX FC-RX610 12 Speed Double Chainset - 46/30T - 172.5mm

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£149.99 Please note this product has selling restrictions to your country. was
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Optimal gearing for spirited group rides and aggressive racing

The SHIMANO FC-RX610-2 balances weight savings and optimized efficiency for mixed-terrain riding and racing. Gearing options cater to the segmented demands of gravel cycling, maintaining the tighter gear steps needed to maintain your position in the bunch. The 2x12-speed crank utilizes a 46-30T chainring combination and comes in 165, 170, 172.5, and 175 mm crank arm lengths.

- Smaller gear steps for cadence control on mixed-terrain riding. Gravel-optimized gear ratios preserve riding rhythm on rough surfaces
- 2-piece design bottom bracket bearings to be spaced wider apart, enabling the use of larger bearings and an increased axle diameter
- Compatible chain: HG 12-speed
- Chain line (mm): 47
- P.C.D. (mm): 110/80
- Spider/gear arms: 4
- Chainring combination: 46-30T
- Q-factor (mm): 151
- Recommended bottom bracket / Threaded: BB-RS501
- Recommended bottom bracket / Press-Fit: BB-RS500-PB
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