Wide range of gears and close jumps? Why not have both? Our lightest and most durable cassette sets new standards in gear selection. Four different cassette options, including our first 10-30 and 10-36 RED cassettes, each provide reliable shifting ramps specifically designed for electronic shifting. Whether you're racing with a 10-28 or building an all-road setup with a 10-36, carefully selected tooth jumps ensure you stay in the right gear. For example, when climbing steep inclines out of the saddle or making finer adjustments to stay on the wheel of the rider in front of you as you approach a sprint. 10-36 gearing: 10, 11, 12, 13, 15, 17, 19, 21, 24, 28, 32, 36. Weight: 233 grams (weighed by us).