Specification Model G650 Wheel Size 20 inch Frame 6061 aluminum alloy full suspension frame Handelbar Sets 6061 aluminum alloy, 25.4*620mm Fork Aluminum shoulder oil spring suspension fork Variable speed Shimano 7 speed Shifting Lever Shimano TX50 Rear Derailleur Shimano TZ20 Cranksets Prowheel aluminum alloy crank square hole 52T Freewheel Shimano 14-28T Chain KMC 7s Brake DYISLAND mechanical Disc Brakes Rim Magnesium alloy three blade integrated wheel Tire KENDA 20*2.40 Net Weight 25.5kg