The 1986 Diamons Back Viper CB. Viper Coaster offers Diamond Back styling, quality and great looks at a price that everyone can afford. Stock equipment includes increased diameter Chromoly H-Tension frameset, Shimano rear coaster brake, front caliper hand brake, DB's unique disk chain wheel and DB handlebars. The Diamond Back Viper is twice as strang as it has to be at half the price. Colors: Chrome, Freestyle Blue, Aqua.
Headset Size
1"
Seatpost Size
22.2mm
Top Tube Size
Unknown
Original Colours
F5X000000 F6Y000000
Made in Taiwan.
F stands for Fairly factory. Second digit indicates year of production (1985 or 1986). X in the serial indicates production Month (5 to 12 - May to Dec). Y in the serial indicates production Month (1 to 4 - 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.
