Bicycle Archive · Specification report

2007 Diamondback Reactor Jr

Velopedia Archive ID 16072

Overview

Model year	2007
Brand	Diamondback
Model	Reactor Jr
Bicycle type	BMX
Archive ID	16072
Original MSRP	$330.00
Colors	Black Metallic

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	Sealed cartridge, tapered square axle
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
Handlebar extensions	Not included
Stem	Jr BMX Race
Saddle	1-piece Puny Race
Seatpost	22.2 Alloy integrated , 27.2mm diameter

Wheels & tires

Hubs	Front: Aluminum shell w/ sealed bearings, hollow 3/8" axle, Rear: Aluminum shell cassette
Rims	Sun ICI-1, 28-hole
Spokes	14ga. (2.0mm) straight gauge
Front tire	20 x 1 3/8" Tioga Comp III
Wheel size	20" wheels

Geometry · Legacy reference

Top tube	476.2 mm
Head-tube angle	73°
Seat-tube angle	70°
Chainstay / rear center	342.9 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on August 23, 2026.