Bicycle Archive · Specification report

1999 Dahon Impulse YT073

Velopedia Archive ID 85733

Overview

Model year	1999
Brand	Dahon
Model	Impulse YT073
Bicycle type	Folding
Archive ID	85733
Original MSRP	$399.00
Colors	Blue
Weight	26.5 lb

Frameset

Frame construction	TIG-welded
Frame material	Hi-tensile steel
Fork	Dahon
Rear shock	N/A

Drivetrain

Component group	Folding mix
Shifters	Grip Shift MRX-100
Rear derailleur	Shimano Tourney TY-22
Crankset	Dotek aluminum, 52 teeth
Rear cogs	7-speed, 13 - 28 teeth
Chain	KMC HG-50, 1/2 x 3/32"
Pedals	Resin

Brakes

Brakes	Vanguard VG-409P brakes, Vanguard linear-pull levers

Cockpit & contact points

Handlebar extensions	N/A
Saddle	Velo Plush
Seatpost	Dahon

Wheels & tires

Hubs	Aluminum, nutted
Rims	Aluminum, 28-hole
Spokes	Stainless steel, straight gauge
Spoke nipples	Brass nipples
Front tire	20 x 1 3/8" Primo HP
Wheel size	20" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 28, 2026.