OBK S7 Mountain Bike Full Suspension Mens Bicycle 21 Speed 27.5″ Wheels Dual Disc Brakes Mountain Bikes for Adult

Bicycle Specification

Frame: 18” steel Frame

Fork: MTB Suspension Fork

Handlebar:Steel

Tire: 27.5“*1.95 full balck tire

Rim: Aluminiu Alloy Rims or 3 Spoke Mag wheels

Brake: Disc Brake

F/Derailleur:Shimano TZ 30

R/Derailleur:Shimano TZ-50

Shifter: Shimano EF-500

Freewheel:7 plus

weight: 40lbs

fits up to: 5’7″-6′

Maximum weight capacity: 300 lbs

About install:

1.This bicycle arrives 85% assembled. You will need to install the pedals, front wheel, handlebar and air up the tires.

2. Rotate the fork for 180 degree before assemble the front wheel (the brake will be in front of the bike)

3. Pedal threads are different from left side and right side. L / R signs are marked on the spindle of the each pedal, make sure they are assembled on the right side (when you ride on the bike, left pedal on your left hand, right pedal on your right hand).
Thread both pedals into the crank arms as far as you can by hand.

4.All tools are included in the package,no extra tools

Contact us:

No matter there have any questions please contact us at the first time.Thank you!

Front and rear double disc brakes perfectly increase safety and controllability for bikers. Bicycles suitable for cycling enthusiasts, office workers and college  students, providing more convenience for life. 
Upgrade the frame Suspension to make your ride more comfortable
Shimano 21 speed Shifters easy to use
Premium Quality : With lightweight and strong Steel 18 inch Frame,27.5 inch wheel and the high quality Suspension Fork .
Suggested adult group user’s height range for 5’7” to 6’