Bike Friday POCKET ROCKET 3X8 1999 VS Burley BIRDY 3 X 7 1998 specs comparison

Bike Friday Pocket Rocket 3x8 1999 comparison online with competitors

Bike Friday Pocket Rocket 3x8

General Infos
Model Pocket Rocket 3x8
Manufacturer Bike Friday
Year of production 1999
Current price Check price Here ==>   
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
Sizes - Custom

Wheels And Breaking System

Bike front tire20 X 1 1/8 (inches) IRC Roadlite EX
Bike rear tireNot Available
Bike wheel size20 (inches) Wheels
Brakeset type Shimano 105 STI Levers
Shimano 105 Dual Pivot Brakes
Hubs for disc brakes Rear: Sachs Neos 3 X 8
Front: Shimano 105
Rims manufacturerSun Rims ME14A
Spoke nipples typeBrass Nipples
Spoke wheel 2.0 (millimeters) Straight Gauge
DT Stainless Steel

Frame and Body Specs

Frame materials4130 chromoly c
Frame typeBrazed and welded
Handlebar construction Drop Style
Aluminum
Handlebar extenderOptional
Handlebar stem details Adjustable
Custom Chromoly
Headset size1 1/4 (inches) Shimano Deore XT

Gearing Specifications

Bicycle chain 1/2 X 3/32 (inches)
Shimano CN-HG72
Bottom bracket shell width68 (millimeters) English
Bottom bracket typeShimano BB-5500
Crankset parts and sizesShimano AceraX
Gear shift leversShimano 105 STI Dual Control
Rear gear set 12 - 23 Teeth
3-speed Internal X 8-speed

Bike Friday Pocket Rocket 3x8 Fork System Data

Derailleur (Front) Braze-on
Shimano 105
Derailleur (Rear)Shimano 105 GS
Fork material Unicrown Crown
4130 Chromoly
Fork typeBike Friday Aero

Other Specs of Bike Friday Pocket Rocket 3x8

Component group setsShimano 105
Pedals detailsOptional
Rear shock absorberNot Available
Saddle seatOptional
Seat post extension27.0 (millimeters) Diameter


Burley Birdy 3 x 7 1998 comparison online with competitors

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 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 brakes Rear: Sachs 3 X 7
Front: Shimano 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 AL-2

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 leversSachs 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 material7005 T-6 Aluminum Alloy
Fork typeBirdy Leading Arm Suspension

Other Specs of Burley Birdy 3 x 7

Component group setsBirdy Mix
Pedals detailsWellgo WPD-95B Clipless and quill Combination
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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