Performance Tuning System Maximize power transfer through carefully designed gear ratios and flexible sprocket arrangements for all terrain compatibility. Reliable Freewheel Integration Combines a locking ring assembly with optimized rotational balance to promote efficient energy transfer and stable construction. SingleSpeed Freewheel General mounting design supports smooth performance with fixedgear compatibility while reducing longterm maintenance costs. Enhanced Durability Hardening design and coldforged forming provide abrasion resistance and compressive strength for demanding rides. Use scenarios Urban and mixedterrain commuting: benefits from efficient power transfer and reliable singlespeed compatibility on paved streets and light trails. Fixedgear or singlespeed bikes: designed for easy mounting and low maintenance while maintaining smooth performance and reliability. Endurance and challenging rides: built for durability under pressure conditions with longterm durability in mind.