We originated the 1x drivetrain, and the SRAM Force 1 crankset evolves the innovation. It's lighter, stronger and simpler—non-aero chainrings can now be installed with a single tool. For cross, TT, tri and crits, this is the king of 1x.
Features
Single-ring drivetrain simplifies functionality and reduces weight
48t variant has direct mount aero chainrings for better aerodynamics
Non-aero chainrings can be installed with a single tool, making gearing changes a breeze
SRAM X-SYNC™ wide-tooth, narrow-tooth chainring technology provides maximum chain control
DUB™ bottom bracket adds durability and simplicity
Can be upgraded to a power meter
Specifications:
Speeds 12
BB Compatibility All SRAM Road DUB BBs
Chainring Size 40T, 46T
Crank Arm Length 165mm, 167.5mm, 170mm, 172.5mm, 175mm
Chainline 45.0mm, 51.0mm
BB Spindle Interface DUB
Chainring Material Aluminum
Bolt Circle Diameter (BCD) 107 BCD, Direct Mount (DM)
Specifications subject to change