Bicycle Archive · Specification report

2003 Diamondback Option

Velopedia Archive ID 39391

Overview

Model year	2003
Brand	Diamondback
Model	Option
Bicycle type	Freestyle/jumping
Archive ID	39391
Original MSRP	$499.99
Colors	Midnight Oil
Sizes	Expert

Frameset

Frame construction	TIG-welded
Frame material	Chromoly
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	3-piece chromoly, 39 teeth
Bottom bracket	Sealed
BB shell width	American
Rear cogs	1-speed, 14 teeth
Chain	KMC, 1/2 x 1/8"
Pedals	Aluminum platform

Brakes

Brakes	Aluminum U-brake rear brakes, aluminum rear levers

Cockpit & contact points

Headset	1 1/8" threadless aluminum
Handlebar	Chromoly BMX
Handlebar extensions	N/A
Stem	Aluminum
Saddle	Diamondback BMX
Seatpost	Aluminum, 25.4mm diameter

Wheels & tires

Hubs	Aluminum
Rims	Aluminum, double wall, 48-hole
Spokes	Stainless steel, 14ga. (2.0mm) straight gauge
Spoke nipples	Brass nipples
Front tire	20 x 1.95" Kenda K-841
Wheel size	20" wheels

Geometry · Legacy reference

Top tube	514.4 mm
Head-tube angle	74.5°
Seat-tube angle	71°
Chainstay / rear center	368.3 mm
Wheelbase	922 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 September 27, 2026.