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Firefox Road Runner Pro - V 21 Speed
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Frame : Alloy Hybrid

Front Suspension : ZOOM Alloy suspension fork, 40mm

Rear Suspension : N/A Drivetrain

Shifters : SHIMANO EF51, 7 speed

Front Deraileur : SHIMANO TX51

Rear Deraileur : SHIMANO TX51D

Crankset : Steel 28/38/48, 170mm Alloy crank

BB Set : VP-BC73 Sealed Cartridge

Freewheel : SHIMANO TZ21 14-28T, 7 speed

Pedals : WELLGO PP Wheels

Wheels : Alloy Double wall 36H Rims

Tires : Wanda 700 X 35C Components

Seat Post : Steel 27.2 X 300mm

Handlebar : Steel 600mm,30mm rise

Stem : ZOOM Alloy adjustable, 28.6mm

Headset : Steel 1-1/8" threadless, 10 pcs.

Brakeset : Alloy "V" Brake w/Shimano EF51 levers Extras Front Wheel & Seat post with QR

 

What size of bike do I need?

The best way to determine your proper size is to visit your just buy cycles showroom.  They are best equipped to assist you with this very important decision.  The experts at your Local Showroom will have bikes available for you to test ride and can look at your position on the different sizes to help determine which is optimal for you. 

It is possible to come up with some rough guidelines based on height, but these are only an initial starting point for a proper fit consultation with your local Showroom.  Each person’s physical dimensions and attributes (i.e. arm length, torso length, femur length, flexibility, etc.) are slightly different and can lead to different frame size needs even for people of the same height.  The chart below can be used to find a starting point for you.

If you are in between two sizes it is often best to go with the smaller size.  It is easier to make a smaller frame fit a little larger then it is to attempt the reverse.  Fitting is an important process which directly affects the ride quality and comfort of a bike.  We are skilled at sizing and can help find the appropriate bike and size to fit each individual’s needs.  If you need help finding a dealer in your area try clicking the “ Store Locator ” button on our website’s home page.

 

Height

Mountain/Hybrid Size

Road Size

<5'2"

13/14

43/47

5'3"

13/15

47/50

5'6"

16/18

50/52/54

5'9"

18/19

52/54/56

5'11"

19/21

54/56/58

6'2"

21/22

56/58/60

6'3"

22/25

58/60/62

6'4"

25

60/62

The same is true with kids’ bike sizing.  While height is a good starting point it is no substitute having your local Showroom view your child on a bike to determine what is the appropriate fit.  This is especially important as kids’ skill levels can vary greatly.  A child who is very skilled at riding a bike may be comfortable on a larger bike then a child of the same height who has just learned to ride without training wheels.  The chart below can be used as a good starting point.

 

Height

Kids Bikes Size

35-40"

12"

39-46"

16"

45-52"

20"

51-63"

24"

 

 

Customer Care : 98410 99992

HEAD OFFICE

A-101,3rd Avenue, Anna Nagar East,
Chennai – 600102, Tamilnadu, India.
Landmark - Next to K-3 Police Station
Contact Person : Mr.Sivakumar
Mobile : 98416 40002
Phone : 044-26203807
Email : jbcannanagar@justbuycycles.in


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Terms & conditions

The warranty does not apply to any unit that has beed used for stunt riding, ramp jumbing, acrobatics, bicycle moto-cross, dirt biking or similar activities as all units are not designed or intended for such purpose or usage.

This warranty does not cover any personal injuries or damages of any type to the rider or any other person due to failure of any parts of the bicycle.

* Conditions Apply