1999 Dyno Detour. Dyno flatland frame with full 4130 CrMo tubing, Pac-Man dropouts and welded-on detangler cable stops. CrMo threadless GT freestyle fork, 1-1/4-inch legs, Pac-Man dropouts. New GT CNC'ed one-piece chainwheel. New GT aluminum platform pedals. GT Mohawk hubs w/Weinman 2AC-X 48H rims. GT Airbag tires. Dyno 4130 CrMo freestyle handlebar with gussets. GT freestyle saddle w/bashguards. GT micro adjust double-bolt seatpost. GT Kraton freestyle grips. Front and rear 38mm axle pegs. Colors available: CP, Brown Sugar.
Frame & Fork
GT 1pc Cranks
Alex Alloy CP Rims
To use the BMX SerialFinder start typing the whole serial into the search bar at the top of the page, or use the Advanced Search page. Based on your entry, a filtered list of possible bikes that match your serial year and month will appear.
Dyno BMX serial numbers.
The first two characters SY is the factory code.
After the above factory code, the next character is year of production. 8 = 1998, 9 = 1999. Production would have most likely started around May 1998 through to April 1999.
After the year is month of production. A = January, B = Febuary, C = March, D = April, E = May, F = June, G = July, H= August, I = September, J = October, K = November, L = December
Example: SY8K00000
Made in Taiwan.
As a general rule, bikes made in Taiwan had around a 8 month production lead timeline before they were delivered and sold in bike shops around the world. Generally around May of each year, factories would switch production to making models for the following year.
