Bicycle Archive · Specification report

1999 Diamondback Reactor 24"

Velopedia Archive ID 83509

Overview

Model year	1999
Brand	Diamondback
Model	Reactor 24"
Bicycle type	BMX cruiser
Archive ID	83509
Original MSRP	$429.99
Colors	Black
Sizes	Cruiser
Weight	28.6 lb

Frameset

Frame construction	TIG-welded
Frame material	6061 T6 aluminum
Fork	Diamondback
Fork material	Chromoly, unicrown crown
Rear shock	N/A

Drivetrain

Component group	N/A
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	Diamondback, 41 teeth
Bottom bracket	Diamondback
BB shell width	68mm Threadless
Rear cogs	1-speed, 16 teeth
Chain	KMC HP-20, 1/2 x 3/32"
Pedals	Platform, aluminum

Brakes

Brakes	Tektro linear-pull rear brakes, Tektro linear-pull rear levers

Cockpit & contact points

Headset	1 1/8" threadless Tioga TG
Handlebar	4130 chromoly
Handlebar extensions	N/A
Stem	Forged alloy ahead
Saddle	Padded seat
Seatpost	Alloy, 27.0mm diameter

Wheels & tires

Hubs	Diamondback Slasher
Rims	Alex alloy double wall, 36-hole
Spokes	Shuhn Lih stainless steel, 2.0mm straight gauge
Spoke nipples	Brass nipples
Front tire	24 x 1.75" Tioga Comp III
Wheel size	24" wheels

Geometry · Legacy reference

Top tube	546.1 mm
Head-tube angle	73°
Seat-tube angle	72°
Chainstay / rear center	412.8 mm
Wheelbase	1016 mm
Fork offset / rake	20 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 8, 2026.