2-speed, without bottom bracket, grey 11-speed compatible, carbon cranks with aluminium 66 skeletal construction, X Glide R aluminium 7075 chainrings, 130 mm bolt circle diameter (39/53 teeth), 110 mm bolt circle diameter (34/50 teeth), weight including bearing: 808 g (GXP 39/53 teeth / 172.5 mm) or 741 g (BB30 39/53 teeth / 172.5 mm) "Force 22" crankset from SRAMMaximum precision, wide gear ranges, excellent performance - the products of the SRAM "Force" groupset are perfect for you if you are looking for maximum performance on your road or gravel bike without having to spend a small fortune.Thanks to the carbon construction, the "Force 22" 2x crank gives you real performance advantages. It is extremely light and stiff at the same time. The aluminium spider blends seamlessly into the design. The "X Glide R" Chainrings are designed to harmonise smoothly with SRAM's "Yaw" front derailleur and ensure elegant shifting. Number of chainrings 2 Crank length 170.00 mm Main colour grey Large chainring 53 inch Small chainring 39 inch System compatibility 11-speed Bottom bracket GXP Type/kind Article Variation crankset