ZTTO 1050LHY MTB Bicycle 10 Speed 11-50T Mountain Bike Hollow Design Cassette Flywheel ?Enhance your road cycling performance with this 10-speed cassette,offering seamless gear transitions and optimal power transfer for a smooth and efficient ride ?Featuring an 11-50T configuration,this cassette provides a wide range of gear options to tackle various terrains and gradients,ensuring you're equipped for both flat stretches and challenging climbs ?Nickel-plated high-strength steel plate,hollow design will reduce weight ?Specifications: ?Speed: 10 speed ?Color: nickel chromium silver black (specially treated surface) ?Teeth ratio: 11-13-16-20-24-28-32-36-42-50T ?Material: steel ?Note: The color of the support bracket will be sent randomly (black/red). Package included: ?1 x Cassette Flywheel