Riders want more range and closer steps between gears—and that's the driving design principle of the SRAM force® crankset. It offers smaller chainrings with a consistent 13-tooth gap between size variants, delivering smooth, accurate and dependable shifting for the modern rider. Always find the sweet spot.Features:X-range™ gearing technology gives you more range and a smoother gear progression, so you’re always in the right gearcrisp and accurate front shiftsDub™ bottom bracket adds durability and simplicityCan be upgraded to a power meterSpeeds: 12BB compatibility: all SRAM road dub bbsChainring size: 46-33t, 48/35tCrank arm length: 165mm, 167.5mm, 170mm, 172.5mm, 175mmChainline: 45.0mmBB spindle interface: dubChainring material: aluminumguard: no guardBolt circle diameter (bcd): 107 BCDCrank arm material: carbonColor (crank arm): natural carbon