The Shimano GRX FC-RX810 features optimum gearing for mixed terrain and riding styles, and is designed for use with GRX components.
1x Option:
- 1×11 drivetrain offers simplicity
- Features tighter gear steps to maintain rhythm on familiar routes
- Available with either 40t or 42t Chainring
- 50.1mm chainline / 151mm Q-factor
2x Option:
- 2×11 speed crankset features gravel-specific gear rations that preserve riding rhythm over rough surfaces with wider tires
- Includes a 48/31t front range for wider gearing possibilities
- 46.9mm chainline / 151mm Q-factor
Specifications
| 170mm, 1×11, 40t Chainring | Mfg PartNum: IFCRX8101CXB0 |
| 172.5mm, 1×11, 40t Chainring | Mfg PartNum: IFCRX8101DXB0 |
| 175mm, 1×11, 40t Chainring | Mfg PartNum: IFCRX8101EXB0 |
| 170mm, 1×11, 42t Chainring | Mfg PartNum: IFCRX8101CXB2 |
| 172.5mm, 1×11, 42t Chainring | Mfg PartNum: IFCRX8101DXB2 |
| 175mm, 1×11, 42t Chainring | Mfg PartNum: IFCRX8101EXB2 |
| 170mm, 2×11, 48/31t Chainrings | Mfg PartNum: IFCRX8102CX81 |
| 172.5mm, 2×11, 48/31t Chainrings | Mfg PartNum: IFCRX8102DX81 |
| 175mm, 2×11, 48/31t Chainrings | Mfg PartNum: IFCRX8102EX81 |











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