Jr Viper

The Jr Viper is a great first time BMX bike for tearing up and down the sidewalk and keeping up with all the other kids on the block. The high tensile steel frame and fork offer worry free durability and the simple single speed drivetrain and doubled up coaster and linear pull rear brakes are easy and safe for young kids to operate.


  • High tensile steel frame built to last
  • High tensile steel fork is strong to provide safe handling
  • Single speed drivetrain is simple and reliable
  • Linear pull plus rear coaster brake deliver stopping power

Bike Specs

Sizes 20" 
Frame DB Hi-Ten Steel
Fork Hi-Ten steel
Rear Shock
Cranks 140mm steel 1-piece
Bottom Bracket Looseball
F. Derailleur
R. Derailleur
Brake Levers Rush RX2.1
Brakes Rush linear rear w/ coaster hub
Cassette 18t Cog
Rims 36h aluminum, 30mm wide, ano black
Tires Comp III style 20x1.75
Pedals Resin Platform
Handlebar Hi-ten steel 2-piece 24" wide x 6" rise
Stem 1" quill steel base w/ alloy clamp
Seatpost Steel Pillar
Seat DB BMX padded
Headset Threaded 1"
Colors Green
Chain KMC Z410 1/2 x 1/8
Hubset (F) 36h steel shell w/ 3/8" axle (R) 36h steel shell w/ coaster brake, 3/8" axle
Spokes 14g
Grips DB Icon Grip w/ Nylon End Plug
Extras Owner's manual
Note Specifications Subject to Change


Size 20"
Seat Tube Length ** 0.0"
Standover Height 0.0"
Top Tube Length * 19.0"
Stack 0.0"
Reach 0.0"
Head Tube Length 0.0"
Head Angle 73.0°
Seat Angle 70.0°
Wheel Base 0.0mm
Chain Stay Length 14.25"
Fork Offset 0.0mm
BB Height 0.0"
BB Drop 0.0"
Stem Length 0.0mm
Handlebar Width 0.0"
Crank Length 0.0mm
Seat Post Length 0.0"
* Measured Horizontally ** Measured from Center

Size Finder

Bike Type


Measurement Units


Based on your input...

Your Bike size is: