[PREMIUM MATERIAL] Crafted from high-quality chromium molybdenum steel with nickel chromium surface treatment, this mountain bike flywheel offers exceptional corrosion resistance and heat resistance. Its durable construction ensures long-lasting performance, even under intense friction and heat, making it a reliable choice for avid cyclists.
[SMOOTH PERFORMANCE] The 13 speed 50T bike freewheel is designed for effortless maintenance and minimal internal friction. Enjoy a quiet and smooth rotation with no annoying noise, enhancing your riding experience with seamless gear shifts and consistent performance.
[STABLE OPERATION] Featuring high-precision internal threads, this flywheel ensures a tight and secure connection with your bicycle hub. The stable operation guarantees a smooth ride, whether you're tackling rough terrains or cruising on city roads.
[HIGH STRENGTH] The chromium molybdenum steel material provides superior rigidity and strength, outperforming other flywheels in wear resistance. Its robust design ensures it can withstand heavy use and harsh conditions, making it a long-term investment for your bike.
[WIDE COMPATIBILITY] With high modeling accuracy and a toothless design, this flywheel is compatible with road bike cassette flywheels, including and systems. Its versatility makes it a perfect fit for various bike , offering convenience and flexibility for riders.

Spec:
Item Type: Mountain Bike Flywheel
Product Material: Chromium Molybdenum Steel
Color: As Pictures Shown
Weight: Approx. 644g / 22.7oz
Speed: HG System
Adaptation: Road Bike Cassette Flywheel
Compatibility: for and for RAM (Note: Must be a regular hub)

Package List：
1 x Flywheel
3 x Accessories