Chromoly main triangle/hi-tensile steel rear stays
Fork
DirtMaster
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
1-piece chromoly 175mm, 43 teeth
Bottom bracket
Yst
BB shell width
American
Rear cogs
1-speed, 16 teeth
Chain
KMC Z410, 1/2 x 1/8"
Pedals
Radix
Brakes
Brakes
Chang Star U-brake brakes, Chang Star Freestyle levers
Cockpit & contact points
Headset
1 1/8" threadless Tioga TG
Handlebar
DirtMaster Foo-Bar
Handlebar extensions
N/A
Stem
Radix
Saddle
Velo
Seatpost
Hsin Lung pillar, 25.4mm diameter
Wheels & tires
Hubs
Radix
Rims
Alex aluminum, 48-hole
Spokes
Chung Nan UCP, 2.0mm straight gauge
Spoke nipples
Brass nipples
Front tire
20 x 1.95" Freestyle type
Wheel size
20" wheels
Geometry · Legacy reference
Top tube
495.3 mm
Head-tube angle
72°
Seat-tube angle
68°
Chainstay / rear center
355.6 mm
Wheelbase
882.6 mm
Fork offset / rake
31.8 mm
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 30, 2026.