Burley BIRDY 3 X 7 1998 VS Bike Friday POCKET ROCKET PRO ULTEGRA 1999 specs comparison
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➜ Burley Birdy 3 x 7 price
➜ Bike Friday Pocket Rocket Pro Ultegra price
Burley Birdy 3 x 7
General Infos| Model | Birdy 3 x 7 |
| Manufacturer | Burley |
| Year of production | 1998 |
| Current price | 🛒 View Price → |
| Color choice | -Aluminum with clearcoat |
| Sizes | - Rider can adjust manually |
| 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 LeversDia-Compe VC-737 Brakes |
| Hubs for disc brakes | Rear: Sachs 3 X 7Front: Shimano Alivio |
| Rims manufacturer | 24-holeAlex DV-15 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 1.8 (millimeters) Straight GaugeStainless 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) SpindleTien Hsin TH-7418 AL Sealed Cartridge |
| Crankset parts and sizes | 56 TeethDotek Pro-6 |
| Gear shift levers | Sachs Wavey |
| Rear gear set | 13 - 23 Teeth3-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) TravelBirdy Elastomer |
| Saddle seat | Velo Crossbow |
| Seat post extension | 34.7 (millimeters) DiameterBirdy Special 500 (millimeters) |
Bike Friday Pocket Rocket Pro Ultegra
General Infos| Model | Pocket Rocket Pro Ultegra |
| Manufacturer | Bike Friday |
| Year of production | 1999 |
| Current price | 🛒 View Price → |
| Color choice | - CAndy Apple- Chrome Yellow- Cream Soda Blue- Flag Red- Grass Green- Ink Black- Midnight Blue- Polar White- Power Purple- Racing Green- Sapphire Blue- Stealth-Black Diamond |
| Sizes | - Custom |
Wheels And Breaking System
| Bike front tire | 20 X 1 1/8 (inches) IRC Roadlite EX |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Shimano Ultegra STI LeversShimano Ultegra Dual Pivot Brakes |
| Hubs for disc brakes | Shimano Ultegra |
| Rims manufacturer | Sun Rims ME14A |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight GaugeDT Stainless Steel |
Frame and Body Specs
| Frame materials | 4130 chromoly c |
| Frame type | Brazed and welded |
| Handlebar construction | Optional |
| Handlebar extender | Optional |
| Handlebar stem details | AdjustableCustom Chromoly |
| Headset size | 1 1/4 (inches) Shimano Deore XT |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches)Shimano CN-HG92 |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | Shimano BB-6500 |
| Crankset parts and sizes | Shimano Ultegra |
| Gear shift levers | Shimano Ultegra STI Dual Control |
| Rear gear set | 12 - 23 Teeth9-speed |
Bike Friday Pocket Rocket Pro Ultegra Fork System Data
| Derailleur (Front) | Braze-onShimano Ultegra |
| Derailleur (Rear) | Shimano Ultegra GS |
| Fork material | Unicrown Crown4130 Chromoly |
| Fork type | Bike Friday Aero |
Other Specs of Bike Friday Pocket Rocket Pro Ultegra
| Component group sets | Shimano Ultegra |
| Pedals details | Optional |
| Rear shock absorber | Not Available |
| Saddle seat | Optional |
| Seat post extension | 27.0 (millimeters) Diameter |
Useful links and guides ....
- To know more about this exacte bike, Burley provided us with the latest version of its Birdy 3 x 7 bike manual
- Find All parts, tires and accessories of Burley Birdy 3 x 7 Folding here
- Get your Bike Friday Pocket Rocket Pro Ultegra manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Bike Friday Pocket Rocket Pro Ultegra Folding here