Bicycle Archive · Specification report

2008 Diamondback Reactor Jr.

Velopedia Archive ID 24070

Overview

Model year	2008
Brand	Diamondback
Model	Reactor Jr.
Bicycle type	BMX
Archive ID	24070
Original MSRP	$325.00
Colors	Silver Metallic
Sizes	18.75" top tube

Frameset

Frame construction	TIG-welded
Frame material	7005 aluminum
Fork	Diamondback
Fork material	Chromoly, unicrown crown
Rear shock	N/A

Drivetrain

Component group	BMX Mix
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	165mm forged aluminum 3-piece, 40 teeth
Bottom bracket	Euro sealed-bearing
Rear cogs	1-speed, 15 teeth
Chain	KMC, 1/2 x 3/32"
Pedals	Alloy body/cage

Brakes

Brakes	Tektro mini-linear brakes, Tektro levers

Cockpit & contact points

Headset	1" threadless FSA
Handlebar	6061 aluminum riser
Handlebar extensions	Not included
Stem	Jr. BMX Race
Saddle	DB Puny Seat
Seatpost	Aluminum integrated, 22.2mm diameter

Wheels & tires

Hubs	Front: Sealed bearing alloy 3/8" axle, Rear: Aluminum cassette
Rims	Sun ICI-1, 28-hole
Spokes	14ga. (2.0mm) straight gauge
Front tire	20 x 1 3/8" Kenda Small Block Eight
Wheel size	20" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 27, 2026.