GT SPEED SERIES 1998 VS Bontrager B1 1997 specs comparison

GT Speed Series

General Infos

Model	Speed Series
Manufacturer	GT
Year of production	1998
Current price	Check price Here ==>
Color choice	-Ball-burnished
Sizes	- Xlarge
Sizes	- Xlarge

Wheels And Breaking System

Bike front tire	Rear: 20 X 1.75 (inches) GT AA Pro Front: 20 X 2.125 (inches) GT AA Pro
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Dia-Compe MX-1 Levers Dia-Compe VC-757 Rear Brakes
Hubs for disc brakes	GT Mohawk
Rims manufacturer	Weinmann Zac 2521
Spoke nipples type	Alloy Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	6061 T6 Aluminum
Frame type	TIG-welded
Handlebar construction	GT Chromoly
Handlebar extender	Not Available
Handlebar stem details	GT Piston Invet
Headset size	1 1/8 (inches) Threadless Aheadset SX

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches)
Bottom bracket shell width	Not Available
Bottom bracket type	GT Sealed Bearing
Crankset parts and sizes	43 Teeth GT 3-piece Aluminum
Gear shift levers	Not Available
Rear gear set	16 Teeth 1-speed

GT Speed Series Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown Chromoly
Fork type	GT

Other Specs of GT Speed Series

Component group sets	Not Available
Pedals details	GT Aluminum Platforms
Rear shock absorber	Not Available
Saddle seat	GT Drop Nose
Seat post extension	GT Chromoly Micro-adjust

Bontrager B1

General Infos

Model	B1
Manufacturer	Bontrager
Year of production	1997
Current price	Check price Here ==>
Color choice	-Silver
Sizes	- Expert - Pro - XL

Wheels And Breaking System

Bike front tire	Rear: 20 X 1.75 (inches) Cheng Shin Comp III Type Front: 20 X 2.125 (inches) Cheng Shin Comp III Type
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Tektro Levers Tektro 876AG V-Brake Brakes
Hubs for disc brakes	Aluminum Nutted
Rims manufacturer	36-hole Bontrager Mack
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	4130 chromoly c
Frame type	TIG-welded
Handlebar construction	Chromoly
Handlebar extender	Not Available
Handlebar stem details	Bontrager Aluminum
Headset size	1 1/8 (inches) Threadless Dia-Compe Aheadset

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches) KMC
Bottom bracket shell width	68 (millimeters) Threadless
Bottom bracket type	One Piece
Crankset parts and sizes	44 Teeth 1-piece Chromoly
Gear shift levers	Not Available
Rear gear set	16 Teeth 1-speed

Bontrager B1 Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown 4130 Chromoly
Fork type	Bontrager

Other Specs of Bontrager B1

Component group sets	Not Available
Pedals details	Aluminum
Rear shock absorber	Not Available
Saddle seat	Velo C20
Seat post extension	27.0 (millimeters) Diameter Bontrager Comp