4130 chromoly main triangle/hi-tensile steel rear stays
Fork
GT
Fork material
Chromoly, unicrown crown
Rear shock
N/A
Drivetrain
Component group
N/A
Shifters
N/A
Front derailleur
N/A
Rear derailleur
N/A
Crankset
GT 1-piece chromoly, 45 teeth
BB shell width
American
Rear cogs
1-speed
Chain
1/2 x 1/8"
Pedals
GT aluminum platforms
Brakes
Brakes
Dia-Compe Bulldog front/Tektro 990 rear
Cockpit & contact points
Headset
1"
Handlebar
GT Freestyle chromoly
Handlebar extensions
N/A
Stem
GT Piston
Saddle
GT Freestyle
Seatpost
GT chromoly
Wheels & tires
Hubs
GT Mohawk
Rims
Weinmann Zac 2525, 48-hole
Spokes
Steel, 2.0mm straight gauge
Front tire
20 X 2.10" GT LP III
Wheel size
20" wheels
Geometry · Legacy reference
Top tube
508 mm
Head-tube angle
73.5°
Seat-tube angle
67.7°
Chainstay / rear center
381 mm
Wheelbase
927.1 mm
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 27, 2026.