This Mountain Bike is black hybrid bike shimano 21 Speed,Aluminum Lightweight frame city cruiser, front fork with suspension.
Aluminum alloy frame mountain bike, front shock absorption.
Men's bike,secured and safe.
21 speed Shimano Front and Rear shifting system and Crank.
Adjustable seat & Flat handlebar,anti-slip wear resistant tire bicycle.
27.5 inch Aluminum Alloy Rims integrated wheel mountain bike.
Brake Style：V/Pull Brake
Frame Material ：Aluminum Alloy
Derailleur: Shimano Front and Rear
Suspension: Front Suspension
Number Of Speeds：21
Wheel Size ：27.5 inches
Package Dimensions: 54 in (L)* 7.9 in(W) * 28 in(H)
1* 85% Assembled Mountain Bike & 1* Instruction
The bike is 85% assembled. You just need around 15-20 minutes to finish the rest assembling. Please feel free to visit our website for adjustment.
If you still do not know how to install the bike or adjust the shifting/ braking system, we highly recommend you to bring the bikes to local bike store for professional help.