Bicycle Archive · Specification report

2009 Dahon Jack

Velopedia Archive ID 19183

Overview

Model year	2009
Brand	Dahon
Model	Jack
Bicycle type	Folding
Archive ID	19183
Colors	Shadow
Sizes	Small, medium, large
Weight	28.4 lb

Frameset

Frame construction	TIG-welded
Frame material	7005 aluminum
Fork material	Unicrown
Rear shock	N/A

Drivetrain

Component group	Folding Mix
Shifters	SRAM 3.0 Comp
Front derailleur	N/A
Crankset	TruVativ ISO-Flow 1.0 G, 36 teeth
Bottom bracket	Ch
Rear cogs	7-speed, 11 - 30 teeth
Chain	KMC Z50
Pedals	VP-990A

Brakes

Brakes	ProMax linear-pull brakes, Promax alloy levers

Cockpit & contact points

Headset	1 1/8" Dahon Fusion
Handlebar	6061 aluminum riser
Handlebar extensions	Not included
Stem	Dahon F.I.T
Saddle	WTB Speed V
Seatpost	BioLogic Zorin PostPump, 27.2mm diameter

Wheels & tires

Hubs	Front: Formula aluminum, Q/R, Rear: Formula aluminum cassette, Q/R
Rims	Aluminum
Spokes	Stainless
Spoke nipples	Brass
Front tire	26 x 2.00" Schwalbe Big Apple
Wheel size	26" wheels

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