Mountain bike single speed flywheel performance design for fast cycling speed with reduced effort precision thread machining ensures a tight connection with the bike wheel and silky running Made of stainless steel for strength, rust resistance, and wear resistance Smooth turning action with minimal noise during rides Function Designed for mountain bike single speed flywheel applications to enable efficient power transfer and reliable operation Compatibility Suitable for mountain bike single speed flywheel systems with precise threading for a secure fit Material Stainless steel provides strength, corrosion resistance, and wear resistance Performance Durable construction delivers long service life, smooth rotation, and quiet operation Use scenarios On rugged mountain trails where a reliable, loweffort pedaling feel helps maintain momentum In mixed terrain commuting, where durability and resistance to rust extend component life As an upgrade or replacement to restore smooth, quiet rotation and secure fit in a single speed setup