SRAM makes three similar Force cranksets. While they both feature carbon fiber construction, their interface and spindles differ. Here is how they compare:

Force D2

The SRAM Force D2 Crankset is the company’s latest version of Force cranks. They feature a carbon fiber lay-up with a high-gloss grey finish.

• Spindle: SRAM DUB
• Interface: 8-bolt
• Chainring configuration: 1x or 2x
• Spindle lengths: Regular or wide

Force D1

The previous version of Force cranks was called the Force D1. Unliked the D2, this version comes in a GXP version.

• Spindle: SRAM DUB and GXP
• Interface: 8-bolt
• Chainring configuration: 1x or 2x
• Spindle lengths: Regular or wide

Force 1

SRAM also sells the Force 1 crankset, which we also expect them to discontinue at some point.

• Spindle: BB30 or GXP
• Interface: 3-bolt
• Chainring configuration: 1x
• Spindle lengths: Regular