2x, DUB, Powermeter, without bottom bracket, black Suitable for 12 speeds, aluminum crank arms, aluminum chainring set for direct mounting, chainline 45 mm, Bluetooth and ANT+ wireless technology, power measurement on left crank arm, lithium battery Micro AAA, waterproof to IPX7 Number of chainrings 2 Crank length 160.00 mm Main color black Chainring large 46 inch Chainring small 33 inch Chainline 45.0 mm System compatibility 12-speed Bottom bracket DUB Type/kind Article Variation crankset