Description
SHIMANO GRX Crank FC-RX820-1 | 1x 12-speed | 42 teeth
With the GRX, Shimano brought the first gravel-specific shifting group onto the market. Since then, the range of uses and the range of gravel bikes has expanded significantly. Shimano takes this development into account by also expanding the range of the GRX group. With 12 sprockets on the rear wheel and the option to choose between a 1-speed and 2-speed setup, you can adapt your drive even better to your needs.
With its chain line of 51.1 mm, the GRX 1-speed crank creates space for wide tires in the frame and positions the chainring optimally for the 12-speed cassette. Nevertheless, the Q-factor has remained pleasantly narrow at 151 mm. In conjunction with the compatible Shimano 12-speed cassettes with 10-51 or 10-45 teeth, the GRX drive offers you the option of choosing between a maximum range for the steepest ramps and a narrower gear ratio for flatter terrain.
Technical data:
intended use : Gravel, Cyclocross
Material crank arms: aluminum
Material spider: aluminum
Material crankshaft: steel
Crankshaft diameter: 24 mm
Crank lengths: 170.0 mm, 172.5 mm or 175.0 mm
bolt circle diameter diameter: 110 mm
Spider: 4-arm | Shimano asymmetrical
Chainring gradation: 42 teeth
Chainring Bolts: Aluminum
chain line : 50.1mm
Q factor: 151 mm
Bottom bracket compatibility: BSA, ITA, BB30, BB92, etc. (optional, not included)
Compatibility chains: Shimano 12-speed
Rider weight: na
Color gray
Weight according to the manufacturer: 655g (172.5 mm; 40 teeth)
Weight weighed: 647g (172.5 mm; 40 teeth)
Scope of delivery: 1x SHIMANO GRX crank FC-RX820-1 | 1x 12-speed | 42 teeth, without bottom bracket
