Burley BIRDY 7 1998 VS Bike Friday POCKET ROCKET PRO DURA-ACE 2000 specs comparison

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
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	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 STS

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	Grip 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 material	7005 T-6 Aluminum Alloy
Fork type	Birdy Leading Arm Suspension

Other Specs of Burley Birdy 7

Component group sets	Birdy Mix
Pedals details	Victor VP-195
Rear shock absorber	1.5 (inches) Travel Birdy Elastomer
Saddle seat	Velo Crossbow
Seat post extension	34.7 (millimeters) Diameter Birdy Special 500 (millimeters)

Bike Friday Pocket Rocket Pro Dura-Ace

General Infos

Model	Pocket Rocket Pro Dura-Ace
Manufacturer	Bike Friday
Year of production	2000
Current price	Check price Here ==>
Color choice	- Black Diamond - Blue - British Racing Green - Candy Apple Red - Green - Midnight Blue - Purple - Red - Sapphire Blue - Stealth - White - Yellow -Black
Sizes	- Rider can adjust manually

Wheels And Breaking System

Bike front tire	26 (inches) BF HP Sport Tire
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Dura-Ace STI Dual Control Levers Shimano Dura-Ace Dual Pivot Brakes
Hubs for disc brakes	Shimano Dura-Ace
Rims manufacturer	36-hole Sun Rims ME14A
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	Steel
Frame type	TIG-welded
Handlebar construction	TTT Prima 220
Handlebar extender	Optional
Handlebar stem details	BF Custom Ultralight Adjustable
Headset size	1 1/4 (inches) Chris King NoThreadSet

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-7700
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	109.5 (millimeters) Spindle Shimano BB-7700
Crankset parts and sizes	50/62 Teeth Shimano Dura-Ace
Gear shift levers	Shimano Dura-Ace STI Dual Control
Rear gear set	11 - 23 Teeth 9-speed

Bike Friday Pocket Rocket Pro Dura-Ace Fork System Data

Derailleur (Front)	Braze-on Shimano Ultegra
Derailleur (Rear)	Shimano Dura-Ace
Fork material	Not Available
Fork type	Not Available

Other Specs of Bike Friday Pocket Rocket Pro Dura-Ace

Component group sets	Folding Mix
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Optional
Seat post extension	27.0 Diameter Thomson Elite