SRAM X-SYNC Direct Mount Chainrings Make SRAM 1x even better with the simplicity of the new SRAM X-SYNC Direct Mount chainring. Engineered in Germany, the new Direct Mount rings bring lighter weight and greater simplicity to XX1, X01, X1-1400, and GX-1400 cranksets. SRAM's Direct Mount rings give riders the perfect opportunity for a serious upgrade. Fully CNC AL rings X-SYNC technology Lighter weight than spider version (~25-50g depending on size) Sizes: 26, 28, 30, 32, 34, 36, 38, 40 SRAM X-SYNC Direct Mount Chain Rings are offered in three offsets 0mm, 3mm (Boost) & 6mm. Please see the attached compatibility chart here or in the resources listed below, to determine which offset is required for the crankarm you wish to use. SPECIFICATIONS Weight 61g (26T), 66g (28T), 68g (30T), 71g (32T), 76g (34T), 91g (36T), 101g (38T), 119 (40T). Weights are based off GXP BB. Colours Black Material Fully CNC Aluminum Ratios Available in 26T, 28T, 30T, 32T, 34T, 36T, 38T, 40T Recommended Group XX1 and X01. X1(1400)compatible.