FLYing Unisex's 21 Speeds Mountain bikes Bicycles Shimano Alloy Frame with Warranty, Black & Orange, 26

strong lightweight aluminium alloy frame, frame size 17″ , suitable for height 1, 58 m - 1,80 m. 26'' wheel. freewheel shimano mf-tz500-7 14t-28t, front derailleur shimano fd-tz50, rear derailleur shimano rd-ty50. 21-speed gears with microshift trigger control levers. prowheel crank. alloy disc brake, double wall wider alloy rim, 26'' a/v good look tyre with extra puncture protection. zoom front suspension fork, non slip with grips pedals. with kickstand. the inner tube is standard 26 1. 95 with 60mm schrader valve. install front wheel does not involve with any bolts of nuts, just put front wheel on, and then use quick release stick to lock it. that is, please donot try to remove any bolts of nuts. the bike is for normal use only, can not be used for competition, stunt riding and ramp jumping. all cycles are 85% assembled, it will require more assembly on pedals, stem bars, and front wheel. adjusting front, rear brakes, and gears, as well as a general check over of all fixings on pre assembled parts. we strongly suggest that customers take the bike to a local bike shop for assistance, and is likely to incur extra cost to the purchaser. the video of assembling bike can give some ideas about how much work requires, and customer service can be found from sunrise cycles website