Diamondback  Jr. Viper 20" Boys' Bike

This product is not available.

A simple BMX bike in its purest form, the Diamondback Jr. Viper 20 in. boys' bike is ready to roll to school, cruise along park paths or hit the BMX park.

Shop similar products

Features

  • Sturdy steel frame and fork are built to handle the rigors of riding
  • Single-speed drivetrain offers simplicity, value and low maintenance
  • Cable detangler for tricking it out
  • Linear-pull rear brake provides stopping power when needed
  • Stout BMX 20 in. wheels are outfitted with Comp III style tires for all-around performance
  • NOTE: Specs and images are subject to change based on component availability

Imported.

This bike comes with Coast to Coast Support, which includes:
  • 1 year of free adjustments (see more below)
  • In-store bike assembly
  • Pickup in store or curbside
  • Bike experts available at 170+ bike shops
REI Co-op Members get more:
  • 20% off shop services
  • Free tubes with purchase of flat tire repair (Co-op Cycles brand tubes only; tube must be installed at time of purchase)
More about our free adjustments:
New bikes go through a normal break-in period, after which they should be readjusted. All bicycles sold at REI include free adjustments for one year after purchase date—as many times as you need. Included: derailleur and brake adjustments, lateral wheel truing, hub and headset bearing adjustments, tire inflation and chain lubrication. Not included: replacement or installation of new components or accessories, any other services. Call your local REI Co-op Bike Shop for more information.

View all Diamondback Kids' Bikes

Technical Specs

Best Use

BMX

Frame

DB high-tensile steel

Bike Suspension

No Suspension

Fork

High-tensile steel

Crankset

140mm steel 1-piece

Bottom Bracket

Looseball

Rear Cogs

18t

Number of Gears

1 gear(s)

Brake Type

Rim

Brakes

Rush linear rear with coaster hub

Brake Levers

Rush RX2.1

Rims

36h aluminum, 30mm wide

Rear Hub

36h steel shell with 3/8" axle

Wheel Size

20 inches

Tires

Comp III style 20 x 1.75

Handlebar Shape

Riser Bar

Handlebar

High-tensile steel 2-piece 24" wide x 6" rise

Stem

1" quill steel base with alloy clamp

Seat Post

Steel pillar

Saddle

DB BMX padded

Pedals

Resin Platform

Headset

Threaded 1"

Chain

KMC Z410 1/2 x 1/8

Weight

25 pounds

Bike Weight

Bike weight is based on median size, as sold, or the average of two median sizes.

Gender

Boys'

Reviews
1 reviews with an average rating of 5.0 out of 5 stars

Loading Reviews...

Questions & Answers

Loading Questions...