High-Strength Steel Construction: This 7 speed mountain bike flywheel is crafted from high strength steel treated with hardening technology, delivering exceptional wear resistance and long-lasting performance even under heavy use on rugged trails.
Precision Tooth Profile: The bike flywheel features a high accuracy tooth shape that ensures smooth gear engagement and strong compatibility with standard 7 speed drivetrains, making shifting reliable and efficient during every ride.
Universal Compatibility: Designed as a direct replacement part, this rear hub freewheel works seamlessly with most mountain bikes and road bikes using a 13-28T 7 speed cassette system, ideal for cyclists upgrading or repairing their drivetrain.
Hollow Lightweight Design: Engineered with a hollow structure to reduce overall weight without sacrificing strength, this bike flywheel lowers rotational mass and eases pedaling effort, enhancing speed and ride efficiency on climbs and flats alike.
Durable & Weather: Built to withstand harsh conditions, the flywheel offers high temperature resistance, rust prevention, and resistance, ensuring it stays functional and deformation-free through rain, mud, and daily commuting.

What's in the box
1 x Rear Hub Freewheel Replacement Parts