Dia-Compe 500NR brakes, Dia-Compe MX-122 Jr levers
Cockpit & contact points
Headset
1" Tioga Beartrap II
Handlebar
Robinson Jr. alloy
Handlebar extensions
N/A
Stem
GT Mini alloy
Saddle
One-piece nylon
Seatpost
Integral to saddle, composite, 22.2 mm (7/8 inch) diameter
Wheels & tires
Hubs
GT alloy
Rims
Sun Metal MP-13, 28-hole
Spokes
Steel, 2.0 mm straight gauge
Spoke nipples
Brass nipples
Front tire
20 x 1 1/8" GT AA Pro
Wheel size
20" wheels
Geometry · Legacy reference
Top tube
442 mm
Head-tube angle
72.5°
Seat-tube angle
68.5°
Chainstay / rear center
358.1 mm
Wheelbase
844.5 mm
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 22, 2026.