1990 Diamond Back

Viper FW

RIDER STYLE
All Round
1990 Diamond Back Viper FW BMX Catalogue

The 1990 Diamond Back Viper FW. Next of kin to the Reactor and Assault, the Viper F/W has quick reactions. Twice the fun at half the price, don't let the Viper F/W fool you. The Chromoly/Hi-Ten frameset is designed for great handling. Custom matched component group is selected for function and long life. Powerful Dia-Compe Bulldog brakes clamp down on double-wall steel rims for aggressive stopping maneuvers. Built for the serious radster. Colors: Chrome Plated, Red or Grey/Black/Grey.

BMX CATALOGUE
All models
Diamond Back 1990 BMX Catalogue Arrow Icon
1990 Diamond Back
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All 1990 Models
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All Years
 1990 Diamond Back reactor frameset BMX Catalogue Arrow Icon
Reactor Frame & Fork
 1990 Diamond Back silver-streak BMX Catalogue Arrow Icon
Silver Streak
 1990 Diamond Back Assault BMX Catalogue Arrow Icon
Assault
 1990 Diamond Back viper-fw BMX Catalogue Arrow Icon
Viper FW
 1990 Diamond Back viper CB BMX Catalogue Arrow Icon
Viper CB
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ORIGINAL SPECS
For this model
Frame
Fork
Handlebar
Rims
Hubs
Pedals
Front Brakes
Rear Brakes
Levers
Seat
Grips
Stem
Tyres
Cranks
CR-MO/HI-TEN
HI-TEN
2pc Race
Steel 7x Type 36H
Steel 10mm
Nylon Beartrap
DiaCompe Bulldog
DiaCompe Bulldog
DiaCompe Bulldog
DB Super Lite
DB w/Donuts
DB Alloy/Steel
Comp 3 S/W F/S
DB 6 1/2" 1-pc 43T

Headset Size

1"

Seatpost Size

22.2mm

Top Tube Size

Unknown

Original Colours

chrome red grey/black/grey
Serial Number Icon
Serial Number
Format

KW9X000000 KW0Y000000
Made in Taiwan.
Fourth Letter in the serial indicates year of production (1989 or 1990). X in the serial indicates production Month (E to L - May to Dec). Y in the serial indicates production Month (A to D - Jan to April).

Bikes made in Taiwan usually had an 8 month production and shipping timeline before they were sold in bike shops around the world. In May of any year, factories would usually switch production to making models for the following year.