Cassette Shimano XT CS-M8100 Gear Ratio:10-45 T It fits onto 1 1/4"

It fits onto 1 1/4" and 2" hitch receivers and can carry 2 bikes up to 45 lb each

Ideal for urban cyclists and mountain bikers looking to keep their essentials organized and accessible while on the move

merino blend Winter Wool Socks to keep you dry

and durable cassette

Unmatched Efficiency: Saves up to 8 watts for peak performance

Cassette Shimano XT CS-M8100 Gear Ratio:10-45 T It fits onto 1 1/4"Hyperglide+ technology allows the chain to jump from sprocket to sprocket more easily, while giving the cassette better retention, resulting in a smoother pedaling experience. Built to reduce inertia and increase rigidity, resulting in faster acceleration and increased chain safety. Designed specifically for the Micro Spline cassette body, whose spline distribution greatly reduces the risk of damage caused by sprockets.