Dahon SPEED D3 2010 VS Burley BIRDY 7 1998 specs comparison

Dahon Speed D3 2010 comparison online with competitors

Dahon Speed D3

General Infos
Model Speed D3
Manufacturer Dahon
Year of production 2010
Current price Check price Here ==>   
Color choice - Cloud
- Denim
- Obsidian
- Sage
- Sand
- Slate
- Stone
-Brick
Sizes - Standard size for everyone
Sizes - Standard size for everyone

Wheels And Breaking System

Bike front tire20 X 1.5 (inches) Dahon Roulez
Bike rear tireNot Available
Bike wheel size20 (inches) Wheels
Brakeset type ProMax V Aluminum Levers
ProMax Alloy V-Brake Front and coaster Brake Rear Brakes
Hubs for disc brakes Rear: SRAM 3-speed
Front: Dahon Mini
Rims manufacturerAluminum
Spoke nipples typePolyax Brass Nipples
Spoke wheelStainless Steel

Frame and Body Specs

Frame materialsSuperLite 4130 Chromoly
Frame typeTIG-welded
Handlebar construction6061-T6 Aluminum
Handlebar extenderOptional
Handlebar stem detailsRadius V Telescope
Headset sizeDahon Fusion+

Gearing Specifications

Bicycle chainKMC
Bottom bracket shell widthNot Available
Bottom bracket type Chromoly Axle
5 Piece
Crankset parts and sizesCold-forged 6061-T6 Aluminum
Gear shift leversSRAM MRX Comp
Rear gear set 13 Teeth
3-speed Internal

Dahon Speed D3 Fork System Data

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

Other Specs of Dahon Speed D3

Component group setsFolding Mix
Pedals detailsSuntour Fold
Rear shock absorberNot Available
Saddle seatDahon Comfort
Seat post extension 34.0 (millimeters) Diameter
BioLogic Zorin PostPump


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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