Bicycle Archive · Specification report

2009 Diamondback Reactor Pro

Velopedia Archive ID 18990

Overview

Model year	2009
Brand	Diamondback
Model	Reactor Pro
Bicycle type	BMX
Archive ID	18990
Colors	Red/White
Sizes	21" TT

Frameset

Frame construction	TIG-welded
Frame material	7005 T6 Aluminum
Fork material	Chromoly, unicrown crown
Rear shock	N/A

Drivetrain

Component group	BMX
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	FSA Assault, 44 teeth
Bottom bracket	FSA BB30
Cassette	Cassette cog
Rear cogs	1-speed, 16 teeth
Chain	KMC, 1/2 x 3/32"
Pedals	DB Sound Alloy w/replaceable pins

Brakes

Brakes	Tektro 920 linear rear brakes, Tektro Sabre rear levers

Cockpit & contact points

Headset	1 1/8" FSA Threadless
Handlebar	Chromoly 2pc
Handlebar extensions	Not included
Stem	DB Reactor
Saddle	DB Race
Seatpost	Alloy Micro Adjust, 27.2mm diameter

Wheels & tires

Hubs	Sealed aluminum
Rims	Front: Alienation Deviant, Rear: alienation 440, 36-hole
Spokes	14ga. (2.0mm)
Front tire	Front: 20 x 2.125" Kenda Small Block Eight, Rear: 20 x 1.75" 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.