Upgrade your biking experience with the Lengthened 240mm Mountain Bike Snow Bike. This Fat Bicycle Rear Axle is designed for superior performance, offering a solid and refitted option for your bike. Crafted from durable aluminum alloy, this rear axle promises long-lasting use in any terrain. The black color adds a sleek touch to your bike's appearance. Enhance your ride with the included Bicycle Rear Hub Axle. Note: Actual product color may vary slightly due to light reflection and display differences. Dominate the trails with this premium accessory.