Burley Birdy 3 X 7 1998 Technical specs and features
| Brand | Burley |
| Model | Birdy 3 X 7 |
| First production | 1998 |
| Bike category | Folding |
| Bike sub-category | Folding |
| Bike Pricing | Check price Here ==> |
| Parts And Accessories | Burley Birdy 3 x 7 Parts |
| Available 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 Specifications
| 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 Specs
| 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 |
| Available colors | - Aluminum with clearcoat |
| Weight | Not Available |
| 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) |
Burley Birdy 3 x 7 picture
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Burley Birdy 3 x 7 bike review
Burley produced the Birdy 3 x 7 bike in 1998 and can be classified as a Folding bicycle, this exact model costs in american market arround $1,250.00.
Burley Folding Birdy 3 x 7 can be found in a few colors, among these colors Aluminum with clearcoat .
This bike is equiped with 18 x 1.5" Birdy Hi-Pressure tires and Stainless steel spoke wheel while the rims are manufactured by Alex DV-15, 24-hole. Burley equiped this exact model with Dia-Compe VC-737 brakes, Dia-Compe DP-7 levers braking system and Front: Shimano Alivio, Rear: Sachs 3 x 7 hubs.
To guarantee the comfiest ride Burley used 7005 T-6 aluminum alloy material for the frame. Tranz-X Zanzibar high strength material is used on the handlebar of this Birdy 3 x 7 to ensure the perfect handling while the stems are made of Birdy folding adjustable.
For the smoothest biking experience Dotek Pro-6, 56 teeth is used on this bicycle linked to Sachs SC-40 chain that is easily replaceable as stated by Burley, the whole system is connected to a high reliability Sachs Wavey gear shift levers.