High-Performance Gear: The 12 Speed 46t Mountain Bike Flywheel offers a superior variable speed experience, allowing you to tackle any terrain with confidence and ease. Construction: Crafted with high-quality materials, the Mountain Bike Flywheel is designed for long-lasting performance, making it a reliable choice for avid mountain . Big Tooth Design: Featuring a big tooth flywheel, this flywheel truck enhances your biking efficiency, providing smoother shifts and better power transfer on steep climbs and rugged trails. Versatile Compatibility: The 12 Speed Flywheel is compatible with a wide range of mountain bikes, ensuring that you can upgrade your ride without hassle or concern about fit. Easy Installation: Designed for user convenience, the 12 Speed 46t Mountain Bike Flywheel can be installed quickly and easily, you back on the trail in no time. Colour: As Shown Material: Steel Package Contents: 1 x Mountain Bike Flywheel Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.