Bicycle Archive · Specification report

2002 Diamondback Octane 24

Velopedia Archive ID 91394

Overview

Model year	2002
Brand	Diamondback
Model	Octane 24
Bicycle type	Juvenile mountain bike, suspension
Archive ID	91394
Original MSRP	$199.99
Colors	Grey, Purple
Sizes	24" Boys, 24" Girls

Frameset

Frame construction	TIG-welded
Frame material	Hi-tensile steel, oversize
Fork	RST 181 CL, 2.4" travel
Fork material	Hi-tensile steel, oversize, single triple-clamp crown
Rear shock	N/A

Drivetrain

Component group	Juvenile Mix
Shifters	Shimano Revo
Front derailleur	Shimano Tourney TY-32, bottom-pull/clamp-on 28.6mm
Rear derailleur	Shimano Tourney TY-22
Crankset	Sun Race FCM300
Bottom bracket	Steel, 124.5mm spindle
BB shell width	68mm English
Rear cogs	7-speed, 13 - 28 teeth
Chain	KMC Z-51, 1/2 x 3/32"
Pedals	Wellgo resin

Brakes

Brakes	ProMax linear-pull brakes, ProMax DBL-2068G levers

Cockpit & contact points

Headset	1" steel
Handlebar	Steel, 30mm rise
Handlebar extensions	Not included
Stem	Steel
Saddle	Avenir Jr MTB
Seatpost	Aluminum, 25.6mm diameter

Wheels & tires

Hubs	Steel, nutted
Rims	Weinmann CN-520, 36-hole
Spokes	Chung Nan 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 27, 2026.