10 Speed Groupset 11 to 40T Flywheel Bottom Bracket Front Rear Derailleur Chain Anti Rust Bike Gear

Feature: 1. 10 SPEED GEAR SYSTEM: Provides a wider range of gears for better control and acceleration on flat and downhill terrains and cycling conditions, making it a versatile and efficient choice for commuting, travel, or road biking. 2. HIGH STRENGTH FREEWHEEL: The flywheel is made of high strength steel plate with quenching process, tempered hardening treatment, multi layer electroplating, rust free and anti skid design for fine shifting. 3. LIGHTWEIGHT CRANKSET: The crankarm is made of aluminum alloy, which is lightweight, stylish appearance, fashionable design, high axle strength, and strong compatibility with most bike models. 4. FINE GEAR SHIFTING: With trigger shift and rear derailleur chain set, our bike gear kit makes it possibl