Dahon JACK D7 2011 VS Bike Friday AIR FRIDAY TRI DAY 1997 specs comparison

Dahon Jack D7 2011 comparison online with competitors

Dahon Jack D7

General Infos
Model Jack D7
Manufacturer Dahon
Year of production 2011
Current price Check price Here ==>   
Color choice -Shadow
Sizes - Not available
Sizes - Not available

Wheels And Breaking System

Bike front tire26 X 2.0'' Schwalbe Big Apple
Bike rear tireNot Available
Bike wheel size26 (inches) Wheels
Brakeset type Promax V-Brake Levers
ProMax V-Brake Brakes
Hubs for disc brakes Rear: Formula
Front: Formula QR
Rims manufacturerAluminum
Spoke nipples typeBrass
Spoke wheelStainless

Frame and Body Specs

Frame materials7005 aluminum c
Frame typeAluminum
Handlebar construction6061-T6 Aluminum
Handlebar extenderOptional
Handlebar stem detailsDahon Axis
Headset sizeDahon Fusion

Gearing Specifications

Bicycle chainKMC Z50
Bottom bracket shell widthNot Available
Bottom bracket typeCH
Crankset parts and sizes 39T Teeth
Kinetix Supra
Gear shift leversSRAM 3.0 Comp
Rear gear set 11 - 30 Teeth
7-speed

Dahon Jack D7 Fork System Data

Derailleur (Front)Not Available
Derailleur (Rear)SRAM X.4
Fork materialNot Available
Fork typeIntegrated

Other Specs of Dahon Jack D7

Component group setsFolding Mix
Pedals detailsPlatform
Rear shock absorberNot Available
Saddle seatWTB
Seat post extension 31.6 (millimeters) Diameter
BioLogic PostPump


Bike Friday Air Friday Tri Day 1997 comparison online with competitors

Bike Friday Air Friday Tri Day

General Infos
Model Air Friday Tri Day
Manufacturer Bike Friday
Year of production 1997
Current price Check price Here ==>   
Color choice - black cherry
- black diamond
- blue
- candy apple red
- champagne
- cream soda
-Black
Sizes - Custom

Wheels And Breaking System

Bike front tire20 X 1 1/8 (inches) IRC Roadlite EX
Bike rear tireNot Available
Bike wheel size20 (inches) Wheels
Brakeset type Dia-Compe 188 TRI Levers
Shimano RSX Dual Pivot Brakes
Hubs for disc brakesHed Sonic
Rims manufacturer 24-hole
HED CX
Spoke nipples typeBrass Nipples
Spoke wheel 2.0 (millimeters) Aero Straight Pull
DT Stainless Steel

Frame and Body Specs

Frame materials4130 Chromoly and 3Al and 2.5V Titanium
Frame typeTIG-welded
Handlebar constructionSyntace Stratos
Handlebar extenderSyntace C-2
Handlebar stem detailsBike Friday
Headset size1 1/4" c

Gearing Specifications

Bicycle chain 1/2 X 3/32 (inches)
Sachs SC-M55
Bottom bracket shell width68 (millimeters) English
Bottom bracket type 115 (millimeters) Spindle
Shimano BB-UN72
Crankset parts and sizesShimano 600 Ultegra
Gear shift leversShimano 600 Ultegra Bar-end
Rear gear set Optional Of Gearing
8-speed

Bike Friday Air Friday Tri Day Fork System Data

Derailleur (Front) Bottom-pull and clamp-on 28.6 (millimeters)
Shimano 600 Ultegra
Derailleur (Rear)Shimano 600 Ultegra
Fork material Unicrown Crown
4130 Chromoly
Fork typeBike Friday

Other Specs of Bike Friday Air Friday Tri Day

Component group setsShimano 600 Ultegra
Pedals detailsOptional
Rear shock absorber 4.0 (inches) Travel
Titanium Suspension Beam
Saddle seatOptional
Seat post extension 27.0 (millimeters) Diameter
Kalloy Uno


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