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The SHIMANO FC-RX820-2 balances weight savings and optimal efficiency for mixed-terrain riding and racing. Double chainring gearing caters to the segmented demands of gravel cycling.
Features:
- Smaller gear steps for cadence control on mixed-terrain riding
- Gravel-optimized gear ratios preserve riding rhythm on rough surfaces
- Wider gear range
- 17T range covers array of riding conditions
- Gear combination: 48-31T
Specifications:
- Rear Speeds: 12-speed
- Rear Speeds: 12
- Crank arm length(mm): 172.5
- Chain Gurd: Without CG
- Gear Combination: 48-31T
- Recommended bottom bracket|Press-Fit: SM-BB72
- Recommended bottom bracket|Threaded (normal): SM-BBR60
- Compatible bottom bracket type|Outboard: X
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