cassette xg 1290 e1The SRAM XG 1290 E1 RED is SRAM's lightest and most durable cassette, designed for smooth and fast shifting. Thanks to precisely designed shift ramps, the cassette works perfectly with electronic drivetrains, offering a wide range of gears and smooth tooth progression. New 10 30T and 10 36T variants are available in the RED version, enabling both a fast road setup and versatile settings for gravel or all road riding. Product features: Smooth and fast