SRAM Force22 Road Bicycle GXP Crankset Hidden bolt pattern leverages the characteristics of carbon fiber while presenting a sleek appearanc Stiffer X-GlideR chainrings feature thicker construction, advanced shift timing pins and ramps, whi Available ratios: 53/39, 52/36, 50/34, 46/36, 715g (GXP 172.5mm 53/39) Available arm lengths: 165mm, 170mm, 172.5mm, 175mm, 177.5mm BB Not Included