Dahon SPEED D7 2009 VS Bike Friday AIR FRIDAY TRI DAY 1997 specs comparison

Dahon Speed D7 2009 comparison online with competitors

Dahon Speed D7

General Infos
Model Speed D7
Manufacturer Dahon
Year of production 2009
Current price Check price Here ==>   
Color choice -Denim
Sizes - Standard size for everyone
Sizes - Standard size for everyone

Wheels And Breaking System

Bike front tire20 X 1.50 (inches) Dahon Roulez
Bike rear tireNot Available
Bike wheel size20 (inches) Wheels
Brakeset type Promax Aluminum Levers
ProMax Linear-pull Brakes
Hubs for disc brakes Rear: Formula Aluminum Cassette
Front: Dahon Mini
Rims manufacturerAluminum
Spoke nipples typeBrass
Spoke wheelStainless

Frame and Body Specs

Frame materials4130 chromoly c
Frame typeTIG-welded
Handlebar construction6061 AL c
Handlebar extenderOptional
Handlebar stem detailsRadius V Telescope
Headset size1 1/8 (inches) Dahon Fusion+

Gearing Specifications

Bicycle chainKMC
Bottom bracket shell widthNot Available
Bottom bracket typeFive Piece BMX Type
Crankset parts and sizesCold-forged 6061-T6
Gear shift leversSRAM MRX Comp
Rear gear set 11 - 30 Teeth
7-speed

Dahon Speed D7 Fork System Data

Derailleur (Front)Not Available
Derailleur (Rear)Dahon Neos
Fork materialUnicrown
Fork typeIntegrated

Other Specs of Dahon Speed D7

Component group setsFolding Mix
Pedals detailsSuntour Folding Non-slip
Rear shock absorberNot Available
Saddle seatDahon Comfort
Seat post extensionSuper Oversize


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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