Dahon JACK D7 2011 VS Burley BIRDY 3 X 7 1998 specs comparison
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 tire | 26 X 2.0'' Schwalbe Big Apple |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Promax V-Brake Levers ProMax V-Brake Brakes |
| Hubs for disc brakes | Rear: Formula Front: Formula QR |
| Rims manufacturer | Aluminum |
| Spoke nipples type | Brass |
| Spoke wheel | Stainless |
Frame and Body Specs
| Frame materials | 7005 aluminum c |
| Frame type | Aluminum |
| Handlebar construction | 6061-T6 Aluminum |
| Handlebar extender | Optional |
| Handlebar stem details | Dahon Axis |
| Headset size | Dahon Fusion |
Gearing Specifications
| Bicycle chain | KMC Z50 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | CH |
| Crankset parts and sizes | 39T Teeth Kinetix Supra |
| Gear shift levers | SRAM 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 material | Not Available |
| Fork type | Integrated |
Other Specs of Dahon Jack D7
| Component group sets | Folding Mix |
| Pedals details | Platform |
| Rear shock absorber | Not Available |
| Saddle seat | WTB |
| Seat post extension | 31.6 (millimeters) Diameter BioLogic PostPump |
Burley Birdy 3 x 7
General Infos| Model | Birdy 3 x 7 |
| Manufacturer | Burley |
| Year of production | 1998 |
| Current price | Check price Here ==> |
| Color choice |
-Aluminum with clearcoat |
| Sizes |
- Rider can adjust manually |
Wheels And Breaking System
| Bike front tire | 18 X 1.5 (inches) Birdy Hi-Pressure |
| Bike rear tire | Not Available |
| Bike wheel size | 18 (inches) Wheels |
| Brakeset type | Dia-Compe DP-7 Levers Dia-Compe VC-737 Brakes |
| Hubs for disc brakes | Rear: Sachs 3 X 7 Front: Shimano Alivio |
| Rims manufacturer | 24-hole Alex DV-15 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 1.8 (millimeters) Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | 7005 T-6 Aluminum Alloy |
| Frame type | TIG-welded |
| Handlebar construction | Tranz-X Zanzibar |
| Handlebar extender | Optional |
| Handlebar stem details | Birdy Folding Adjustable |
| Headset size | 1 1/8 (inches) Threadless Aheadset AL-2 |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Sachs SC-40 |
| Bottom bracket shell width | 68 (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 levers | Sachs Wavey |
| Rear gear set | 13 - 23 Teeth 3-speed Internal X 7-speed |
Burley Birdy 3 x 7 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Shimano Deore XT SGS |
| Fork material | 7005 T-6 Aluminum Alloy |
| Fork type | Birdy Leading Arm Suspension |
Other Specs of Burley Birdy 3 x 7
| Component group sets | Birdy Mix |
| Pedals details | Wellgo WPD-95B Clipless and quill Combination |
| Rear shock absorber | 1.5 (inches) Travel Birdy Elastomer |
| Saddle seat | Velo Crossbow |
| Seat post extension | 34.7 (millimeters) Diameter Birdy Special 500 (millimeters) |
Useful links and guides ....
- To know more about this exacte bike, Dahon provided us with the latest version of its Jack D7 bike manual
- Find All parts, tires and accessories of Dahon Jack D7 Folding here
- Get your Burley Birdy 3 x 7 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Burley Birdy 3 x 7 Folding here