Men Giant Speed Bikes High-Performance Riding Carbon Steel Mountain Bike 21-Speed Bicycle Full Suspension 26-inch Mountain Bike Road Dirt Bike for Adults Teens (Blue, One Size)

• 【Premium Bike Frame】Lightweight and Durable Wheel,high-carbon steel mountain bike full suspension bike.All-terrain knobby mountain tires. 26 Inches rims with spokes more safely and fastness. It comes with 21-speeds that can handle hilly terrains and the gear change is awesomesful and smooth. 【Excellent Performance】26” tire can handle hilly terrains and the gear change is awesomeful and smooth. Perfect for mountain,also effective on the road, trails, city, beach or the snow etc. Front and rear double disc brakes perfectly increase sa fety and controllability for bikers. 【Upgraded version 】The bike line runs through the bike body,The front fork damping can be locked, so that it can run smoothly on the road, reduce buffering, and accelerates uphill with less effort. 【21 Speed Derailleur】Finger-type shifter 3 front derailleur and 7 rears derailleur, easier to pedal for speed and acceleration. More effortless handling of uphill and downhill slopes, providing faster speeds on smooth roads. 【Easy for Assemble】 85% pre-assembled,easy to assemble,freely pedals,required assembly tools and manual included.