GT MACH 1 2002 VS Bontrager B1 1997 specs comparison
GT Mach 1
General InfosModel | Mach 1 |
Manufacturer | GT |
Year of production | 2002 |
Current price | Check price Here ==> |
Color choice | -Red |
Sizes | - Not available |
Sizes | - Not available |
Wheels And Breaking System
Bike front tire | 20 X 1.75 (inches) Kenda K-Rad |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Tektro 287A Rear LeversTektro 906A U-brake Rear Brakes |
Hubs for disc brakes | Rear: Shimano Coaster Brake NuttedFront: Steel |
Rims manufacturer | 36-holeAlex G303 |
Spoke nipples type | Brass Nipples |
Spoke wheel | 14ga. Straight GaugeUCP |
Frame and Body Specs
Frame materials | Hi-tensile Steel |
Frame type | TIG-welded |
Handlebar construction | GT Hi-ten |
Handlebar extender | Not Available |
Handlebar stem details | GT Jr Design |
Headset size | 1 (inches) Steel |
Gearing Specifications
Bicycle chain | 1/2 X 1/8 (inches) |
Bottom bracket shell width | American |
Bottom bracket type | Not Available |
Crankset parts and sizes | Steel One-piece |
Gear shift levers | Not Available |
Rear gear set | 16 Teeth1-speed |
GT Mach 1 Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown CrownHi-tensile Steel |
Fork type | GT |
Other Specs of GT Mach 1
Component group sets | Not Available |
Pedals details | Nylon |
Rear shock absorber | Not Available |
Saddle seat | GT Dropnose |
Seat post extension | 22.2 (millimeters) DiameterChromoly |

Bontrager B1
General InfosModel | 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 TypeFront: 20 X 2.125 (inches) Cheng Shin Comp III Type |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Tektro LeversTektro 876AG V-Brake Brakes |
Hubs for disc brakes | Aluminum Nutted |
Rims manufacturer | 36-holeBontrager Mack |
Spoke nipples type | Brass Nipples |
Spoke wheel | 2.0 (millimeters) Straight GaugeStainless 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 Teeth1-piece Chromoly |
Gear shift levers | Not Available |
Rear gear set | 16 Teeth1-speed |
Bontrager B1 Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown Crown4130 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) DiameterBontrager Comp |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its Mach 1 bike manual
- Find All parts, tires and accessories of GT Mach 1 BMX here
- Get your Bontrager B1 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Bontrager B1 BMX here