Bike Friday AIR FRIDAY TRI DAY 1997 VS Koga Miyata FOUNDER 2004 specs comparison

Bike Friday Air Friday Tri Day

General Infos

Model	Air Friday Tri Day
Manufacturer	Bike Friday
Year of production	1997
Current price	🛒 View Price →
Color choice	- black cherry - black diamond - blue - candy apple red - champagne - cream soda -Black
Sizes	- Custom
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	Dia-Compe 188 TRI Levers Shimano RSX Dual Pivot Brakes
Hubs for disc brakes	Hed Sonic
Rims manufacturer	24-hole HED CX
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Aero Straight Pull DT Stainless Steel

Frame and Body Specs

Frame materials	4130 Chromoly and 3Al and 2.5V Titanium
Frame type	TIG-welded
Handlebar construction	Syntace Stratos
Handlebar extender	Syntace C-2
Handlebar stem details	Bike Friday
Headset size	1 1/4" c

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Sachs SC-M55
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	115 (millimeters) Spindle Shimano BB-UN72
Crankset parts and sizes	Shimano 600 Ultegra
Gear shift levers	Shimano 600 Ultegra Bar-end
Rear gear set	Optional Of Gearing 8-speed

Bike Friday Air Friday Tri Day Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano 600 Ultegra
Derailleur (Rear)	Shimano 600 Ultegra
Fork material	Unicrown Crown 4130 Chromoly
Fork type	Bike Friday

Other Specs of Bike Friday Air Friday Tri Day

Component group sets	Shimano 600 Ultegra
Pedals details	Optional
Rear shock absorber	4.0 (inches) Travel Titanium Suspension Beam
Saddle seat	Optional
Seat post extension	27.0 (millimeters) Diameter Kalloy Uno

Koga Miyata Founder

General Infos

Model	Founder
Manufacturer	Koga Miyata
Year of production	2004
Current price	🛒 View Price →
Color choice	-Green Metallic and Silver Metallic
Sizes	- Standard size for everyone

Wheels And Breaking System

Bike front tire	20 X 1.50 (inches) Schwalbe Marathon Slick
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Shimano Nexus Levers Shimano Capreo Brakes
Hubs for disc brakes	Rear: Shimano Nexus Front: Shimano Capreo
Rims manufacturer	24-hole and 36-hole Rigida Explorer
Spoke nipples type	Brass Nipples
Spoke wheel	Sapim Stainless Steel

Frame and Body Specs

Frame materials	7005 aluminum c
Frame type	TIG-welded
Handlebar construction	ITM Moustache Alloy
Handlebar extender	Optional
Handlebar stem details	Koga Telescoping
Headset size	1 1/8 (inches) Threaded Koga

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC Z610
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	118 (millimeters) Spindle Shimano BB-UN53
Crankset parts and sizes	45 Teeth Shimano Capreo
Gear shift levers	Shimano Nexus
Rear gear set	18 Teeth 1-speed

Koga Miyata Founder Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown Aluminum
Fork type	Koga Miyata

Other Specs of Koga Miyata Founder

Component group sets	Folding Mix
Pedals details	Koga VP-113
Rear shock absorber	20 (millimeters) Travel Air Shock
Saddle seat	Selle Royal
Seat post extension	34.9 (millimeters) Diameter Koga Telescoping