Bicycle Archive · Specification report

2008 Diamondback Octane 20

Velopedia Archive ID 24103

Overview

Model year	2008
Brand	Diamondback
Model	Octane 20
Bicycle type	Juvenile mountain bike, suspension
Archive ID	24103
Original MSRP	$210.00
Colors	Orange (Boy's), Metallic Berry/White (Girl's)
Sizes	20" wheel

Frameset

Frame construction	TIG-welded
Frame material	6061-T6 aluminum
Fork	SR Suntour M2000, 30mm travel
Fork material	Steel/aluminum, single crown
Rear shock	N/A

Drivetrain

Component group	Juvenile Mix
Shifters	Shimano Revo twist
Front derailleur	N/A
Rear derailleur	Shimano Tourney TX-30
Crankset	1-Piece, 40 teeth
Bottom bracket	Loose ball
Rear cogs	7-speed, 14 - 28 teeth
Chain	KMC Z51
Pedals	Resin

Brakes

Brakes	Alloy linear front/Alloy Linear rear brakes, Alloy linear levers

Cockpit & contact points

Headset	1 1/8" threaded
Handlebar	Steel Jr. Riser
Handlebar extensions	Not included
Stem	Alloy quill
Saddle	Jr ATB 2 panel
Seatpost	Steel pillar, 25.4mm diameter

Wheels & tires

Hubs	Nutted
Rims	R-1000, 36-hole
Spokes	14ga. (2.0mm) straight gauge
Front tire	Front: 20 x 2.00" Jr. ATB Knobby, Rear: 20 x 2.0" Jr. ATB Knobby
Wheel size	20" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 29, 2026.