Product description
SHIMANO's 12-speed gravel component groupset now also available as an electronic version! The new 2x12-speed GRX RX825 Di2 components combine SHIMANO's unique electronic shifting with the gear ratio options optimized for recreational riding, racing and daily adventures.
Optimal Гњtranslation for dynamic group rides and aggressive races
The Shimano FC-RX820-2 combines weight savings and optimized efficiency for riding in mixed terrain and racing. The gear ratio options with two chainrings are tailored to the different requirements of gravel riding, while maintaining the tighter gear steps needed to maintain your position in the field. The 2x12-speed crankset is available in the chainring combination 48-31Z and in the crank arm lengths 170, 172,5 and 175 mm available.
PRODUCT SPECIFICATIONS
| MODEL NUMBER | FC-RX820-2 |
|---|---|
| GROUP | Shimano GRX 2x12-speed Di2 |
| color | Standard color |
| Average weight | 710 |
| Rear gear steps | 12 |
|---|---|
| Compatible chain | 12-speed HG |
| Chainline (mm) | 47 |
| Bolt circle diameter (mm) | 110/80 |
| Spider/chainring arms | 4 |
| Chainring combination | 48-31Z |
| Q-factor (mm) | 151 |
| Crank arm length (mm)|170 | вњ" |
| Crank arm length (mm)|172.5 | вњ" |
| Crank arm length (mm)|175 | вњ" |
| Chain guard option|Without chain/bumper guard | вњ" |
| HOLLOWTECH II | вњ" |
| HOLLOWTECH crank | вњ" |
| Compatible bottom bracket type|outboard side | вњ" |
| Recommended bottom bracket|thread (normal) | SM-BBR60 |
| Recommended bottom bracket|press fit | SM-BB72 |
| Bottom bracket shell width with thread (mm)|68 | вњ" |
| Bottom bracket housing width with thread (mm)|70 | вњ" |
| Fastening screw for crank included | вњ" |
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Shimano GRX RX825 Di2 Disc 2x12 groupset