4130 chromoly main triangle/hi-tensile steel rear stays
Fork
Ruption
Fork material
Hi-tensile steel, unicrown crown
Rear shock
N/A
Drivetrain
Component group
N/A
Shifters
N/A
Front derailleur
N/A
Rear derailleur
N/A
Crankset
1-piece chromoly, 44 teeth
Bottom bracket
One piece
BB shell width
68mm Threadless
Rear cogs
1-speed, 16 teeth
Chain
KMC, 1/2 x 3/32"
Pedals
Platform, aluminum
Brakes
Brakes
Dia-Compe Bulldog brakes, aluminum levers
Cockpit & contact points
Headset
1" steel w/detangler
Handlebar
Chromoly
Handlebar extensions
N/A
Stem
Aluminum, hollow bolt
Saddle
Ruption
Seatpost
Steel
Wheels & tires
Hubs
Aluminum nutted
Rims
Aluminum, 48-hole
Spokes
Stainless steel, 2.0mm straight gauge
Spoke nipples
Brass nipples
Front tire
20 x 2.125" freestyle
Wheel size
20" wheels
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 21, 2026.