GT PRO PERFORMER (01) 1999 VS Hoffman SD-4 2001 specs comparison
GT Pro Performer (01)
General Infos| Model | Pro Performer (01) |
| Manufacturer | GT |
| Year of production | 1999 |
| Current price | Check price Here ==> |
| Color choice |
- Midnight Grape -Glossy Moss |
| Sizes |
- Not available |
| Sizes |
- Not available |
Wheels And Breaking System
| Bike front tire | 20 X 1.95 (inches) GT Air Bags |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Alloy Levers Tektro 909A Brakes |
| Hubs for disc brakes | Alloy |
| Rims manufacturer | 48-hole Weinmann ZAC-X |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge |
Frame and Body Specs
| Frame materials | Chromoly and hi-tensile Steel |
| Frame type | Welded |
| Handlebar construction | GT |
| Handlebar extender | Not Available |
| Handlebar stem details | GT Piston |
| Headset size | 1 1/8 (inches) Threadless Steel With SST Oryg Detangler |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | One Piece |
| Crankset parts and sizes | 43 Teeth GT 1-piece Chromoly |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
GT Pro Performer (01) Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Chromoly and hi-tensile Steel |
| Fork type | GT |
Other Specs of GT Pro Performer (01)
| Component group sets | Not Available |
| Pedals details | GT Aluminum Platform |
| Rear shock absorber | Not Available |
| Saddle seat | GT |
| Seat post extension | GT Layback |
Hoffman SD-4
General Infos| Model | SD-4 |
| Manufacturer | Hoffman |
| Year of production | 2001 |
| Current price | Check price Here ==> |
| Color choice |
-Red and Chrome |
| Sizes |
- Pro |
Wheels And Breaking System
| Bike front tire | 20 X 1.95 (inches) Hoffman Bikes Skidmarks |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Dia-Compe MX-101 Levers Tektro 990 U-brake Brakes |
| Hubs for disc brakes | Keyin Aluminum |
| Rims manufacturer | 48-hole Hoffman Bikes HighRoller CP |
| Spoke nipples type | Aluminum Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Steel |
Frame and Body Specs
| Frame materials | 4130 chromoly c |
| Frame type | TIG-welded |
| Handlebar construction | Hoffman Bikes Prodigy Bar |
| Handlebar extender | Optional |
| Handlebar stem details | HoffmanBikes SuperStem |
| Headset size | 1 1/8 (inches) Threadless YST |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) KMC 410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | One Piece |
| Crankset parts and sizes | 44 Teeth 1-piece Chromoly 175 (millimeters) |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
Hoffman SD-4 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | 4130 chromoly c |
| Fork type | Hoffman Bikes Prodigy Forks |
Other Specs of Hoffman SD-4
| Component group sets | Not Available |
| Pedals details | Wellgo LU-313 |
| Rear shock absorber | Not Available |
| Saddle seat | Hoffman Bikes Logo |
| Seat post extension | 25.4 (millimeters) Diameter Hoffman Bikes Prodigy Post |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its Pro Performer (01) bike manual
- Find All parts, tires and accessories of GT Pro Performer (01) Freestyle here
- Get your Hoffman SD-4 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Hoffman SD-4 Freestyle here