SAFETY FIRST:This premium junior bicycle meets all standards and requirements of the EU (DIN 14765) as well as the USA (ISO 8098).
21-SPEED: The bike Shimano Tourney 21-speed shifting system, you can adjust suitable speed to complete your journey and aluminum alloy V brake system fully guarantee your safety.
GEAR SYSTEM : 21 speed indexed gears with thumb shifter.21 Speed 14-28T freewheel. Shimano rear derailleur and Shimano front derailleur.
FRAME/FORK: The lightweight Aluminum alloy frame and durable steel front fork make for the perfect combination of lightness and strength.
SCENE: city bike, road bike, shopping bike, scooter. Easy to live, go to school, etc.
City Bike 21- Speed Commuter Bicycle Fold Aluminum Alloy Brake For Unisex Adult Black B07PB27PKJ