Bicycle Archive · Specification report

1997 Supercross Dirt

Velopedia Archive ID 67637

Overview

Model year	1997
Brand	Supercross
Model	Dirt
Bicycle type	BMX
Archive ID	67637
Original MSRP	$499.95
Colors	Black, red
Sizes	Pro, XL
Weight	28 lb

Frameset

Frame construction	TIG-welded
Frame material	4130 chromoly
Fork	Supercross Pro
Fork material	4130 chromoly, unicrown crown
Rear shock	N/A

Drivetrain

Component group	N/A
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	Supercross Powercrank 1-piece chromoly, 44 teeth
Bottom bracket	One piece
BB shell width	American
Rear cogs	1-speed, 16 teeth
Chain	KMC 410, 1/2 x 1/8"
Pedals	Tech Pro Platform

Brakes

Brakes	Dia-Compe 990 brakes, Dia-Compe MX-99 levers

Cockpit & contact points

Headset	1 1/8" threadless Dia-Compe Kontak Aheadset ST-2
Handlebar	Supercross Jump Bar
Handlebar extensions	N/A
Stem	Supercross
Saddle	Supercross BMX
Seatpost	Chromoly, 25.4 mm diameter

Wheels & tires

Hubs	Tech Sealed BMX
Rims	Velocity, 48-hole
Spokes	Steel, 2.0mm straight gauge
Spoke nipples	Brass nipples
Front tire	20 x 1.95" Primo V-Monster
Wheel size	20" wheels

Geometry · Legacy reference

Top tube	533.4 mm
Head-tube angle	73.5°
Seat-tube angle	71°
Chainstay / rear center	368.3 mm
Wheelbase	977.9 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 23, 2026.