Tektro 860AG/Dia-Compe Bulldog front brakes, Dia-Compe MX-122 levers
Cockpit & contact points
Headset
1" Victor VP-H75
Handlebar
Hsin Lung steel
Handlebar extensions
N/A
Stem
Lee Chi
Saddle
Diamondback BMX
Seatpost
Steel pillar, 22.2 mm (7/8 inch) diameter
Wheels & tires
Hubs
King Kong 337
Rims
Kin Lin RT-6n, 36-hole
Spokes
Shuhn Lih steel, 2.0mm straight gauge
Spoke nipples
Brass nipples
Front tire
20 x 1.75" Cheng Shin
Wheel size
20" wheels
Geometry · Legacy reference
Top tube
482.6 mm
Head-tube angle
75°
Seat-tube angle
70°
Chainstay / rear center
368.3 mm
Wheelbase
889 mm
Fork offset / rake
30.5 mm
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on August 25, 2026.