Sram GX 1400 X-Glide Crankset Double 175mm BB30The Sram GX 1400 X-Glide 2x11 Crankset uses 24-36t ratio to bring you the most options while you navigate rough terrain. This unique design uses Open Core Technology for a far superior shifting experience as your components are rugged and lightweight. The chainrings are aluminum with crankarm lengths of 170 or 175mm. Available in GXP in 175mm crank arm length, and in BB30 in both 175 or 170mm crank arm length.710845771323