Bicycle Archive · Specification report

2003 Diamondback Octane 24 FS

Velopedia Archive ID 39384

Overview

Model year	2003
Brand	Diamondback
Model	Octane 24 FS
Bicycle type	Juvenile mountain bike, suspension
Archive ID	39384
Original MSRP	$279.99
Colors	In-To-The-Red
Sizes	24" Boys, 24" Girls

Frameset

Frame construction	TIG-welded
Frame material	Aluminum
Fork	RST 181 CL, 2.4" travel
Fork material	Aluminum, single crown
Rear shock	Coil

Drivetrain

Component group	Juvenile Mix
Shifters	Shimano Revo
Front derailleur	Shimano Tourney TY-32-D, bottom-pull/clamp-on 28.6mm
Rear derailleur	Shimano Tourney TY-22
Crankset	Sun Race Tony, 28/38/48 teeth
Bottom bracket	Tien Hsin BB-TH560
BB shell width	68mm English
Rear cogs	7-speed, 13 - 28 teeth
Chain	KMC Z51, 1/2 x 3/32"
Pedals	Wellgo resin

Brakes

Brakes	ProMax linear-pull brakes, Promax alloy levers

Cockpit & contact points

Headset	1 1/8" threadless steel
Handlebar	Steel
Handlebar extensions	Not included
Stem	Aluminum
Saddle	Padded saddle
Seatpost	Aluminum, 27.2mm diameter

Wheels & tires

Hubs	Aluminum, nutted
Rims	Alex aluminum, 36-hole
Spokes	UCP, 14ga. (2.0mm) straight gauge
Spoke nipples	Brass nipples
Front tire	24 x 1.95" Kenda K-831A
Wheel size	24" wheels

Geometry · Legacy reference

Top tube	500.4 mm
Head-tube angle	70°
Seat-tube angle	71°
Chainstay / rear center	408.9 mm
Wheelbase	952.5 mm
Fork offset / rake	38.1 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 28, 2026.