Dahon SPEED 7 2002 VS Burley BIRDY 7 1998 specs comparison

Dahon Speed 7 2002 comparison online with competitors

Dahon Speed 7

General Infos
Model Speed 7
Manufacturer Dahon
Year of production 2002
Current price Check price Here ==>   
Color choice -Blue
Sizes - Medium
Sizes - Medium

Wheels And Breaking System

Bike front tire20 X 1.50 (inches)
Bike rear tireNot Available
Bike wheel size20 (inches) Wheels
Brakeset type ProMax Linear-pull Levers
ProMax Linear-pull Brakes
Hubs for disc brakes Q and R
Aluminum
Rims manufacturer Aero
Aluminum
Spoke nipples typeBrass Nipples
Spoke wheel 14ga. Straight Gauge
Stainless Steel

Frame and Body Specs

Frame materialsChromoly
Frame typeTIG-welded
Handlebar constructionAluminum
Handlebar extenderOptional
Handlebar stem detailsDahon Folding
Headset size1 (inches)

Gearing Specifications

Bicycle chain 1/2 X 3/16 (inches)
KMC Z-50
Bottom bracket shell width68 (millimeters) English
Bottom bracket typeNot Available
Crankset parts and sizesAluminum
Gear shift leversSRAM
Rear gear set7-speed

Dahon Speed 7 Fork System Data

Derailleur (Front)Not Available
Derailleur (Rear)Not Available
Fork material Unicrown Crown
Hi-tensile Steel
Fork typeNot Available

Other Specs of Dahon Speed 7

Component group setsFolding Mix
Pedals detailsVP Folding
Rear shock absorberNot Available
Saddle seatNot Available
Seat post extensionDahon


Burley Birdy 7 1998 comparison online with competitors

Burley Birdy 7

General Infos
Model Birdy 7
Manufacturer Burley
Year of production 1998
Current price Check price Here ==>   
Color choice -Metallic emerald green
Sizes - Rider can adjust manually

Wheels And Breaking System

Bike front tire18 X 1.5 (inches) Birdy Hi-Pressure
Bike rear tireNot Available
Bike wheel size18 (inches) Wheels
Brakeset type Dia-Compe DP-7 Levers
Dia-Compe VC-737 Brakes
Hubs for disc brakesShimano Alivio
Rims manufacturer 24-hole
Alex DV-15
Spoke nipples typeBrass Nipples
Spoke wheel 1.8 (millimeters) Straight Gauge
Stainless Steel

Frame and Body Specs

Frame materials7005 T-6 Aluminum Alloy
Frame typeTIG-welded
Handlebar constructionTranz-X Zanzibar
Handlebar extenderOptional
Handlebar stem detailsBirdy Folding Adjustable
Headset size1 1/8 (inches) Threadless Aheadset STS

Gearing Specifications

Bicycle chain 1/2 X 3/32 (inches)
Sachs SC-40
Bottom bracket shell width68 (millimeters) English
Bottom bracket type 113 (millimeters) Spindle
Tien Hsin TH-7418 AL Sealed Cartridge
Crankset parts and sizes 56 Teeth
Dotek Pro-6
Gear shift leversGrip Shift SRT-400
Rear gear set 11 - 28 Teeth
7-speed

Burley Birdy 7 Fork System Data

Derailleur (Front)Not Available
Derailleur (Rear)Shimano STX-RC
Fork material7005 T-6 Aluminum Alloy
Fork typeBirdy Leading Arm Suspension

Other Specs of Burley Birdy 7

Component group setsBirdy Mix
Pedals detailsVictor VP-195
Rear shock absorber 1.5 (inches) Travel
Birdy Elastomer
Saddle seatVelo Crossbow
Seat post extension 34.7 (millimeters) Diameter
Birdy Special 500 (millimeters)


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