GT PRO PERFORMER 1998 VS 2-Hip ROOT DOWN 2004 specs comparison
GT Pro Performer
General InfosModel | Pro Performer |
Manufacturer | GT |
Year of production | 1998 |
Current price | Check price Here ==> |
Color choice | -Chrome-plated |
Sizes | - Pro |
Sizes | - Pro |
Wheels And Breaking System
Bike front tire | 20 X 2.10 (inches) GT LP III |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Dia-Compe Tech 77 LeversDia-Compe 990 Brakes |
Hubs for disc brakes | GT Mohawk |
Rims manufacturer | 48-holeWeinmann Zac 2525 |
Spoke nipples type | Not Available |
Spoke wheel | 2.0 (millimeters) Straight GaugeSteel |
Frame and Body Specs
Frame materials | 4130 chromoly c |
Frame type | TIG-welded |
Handlebar construction | GT Freestyle Chromoly |
Handlebar extender | Not Available |
Handlebar stem details | GT Piston |
Headset size | 1 1/8 (inches) Threadless Aheadset |
Gearing Specifications
Bicycle chain | 1/2 X 1/8 (inches) |
Bottom bracket shell width | American |
Bottom bracket type | Not Available |
Crankset parts and sizes | 45 TeethGT 1-piece Chromoly |
Gear shift levers | Not Available |
Rear gear set | 1-speed |
GT Pro Performer Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown CrownChromoly |
Fork type | GT |
Other Specs of GT Pro Performer
Component group sets | Not Available |
Pedals details | GT Aluminum Platforms |
Rear shock absorber | Not Available |
Saddle seat | GT Freestyle |
Seat post extension | GT Chromoly Micro-adjust |

2-Hip Root Down
General InfosModel | Root Down |
Manufacturer | 2-Hip |
Year of production | 2004 |
Current price | Check price Here ==> |
Color choice | -White and Black |
Sizes | - Pro |
Wheels And Breaking System
Bike front tire | 26 X 2.20 (inches) Cheng Shin M-126 |
Bike rear tire | Not Available |
Bike wheel size | 26 (inches) Wheels |
Brakeset type | Tektro 271A Rear LeversTektro 905A U-brake Rear Brakes |
Hubs for disc brakes | 14 (millimeters) AxleAluminum |
Rims manufacturer | 48-holeAlex MX 22 |
Spoke nipples type | Brass Nipples |
Spoke wheel | 14ga. Straight GaugeChung Nan Stainless Steel |
Frame and Body Specs
Frame materials | Chainstays Down TubeChromoly Head Tube |
Frame type | TIG-welded |
Handlebar construction | 2-Hip Hi-ten 4-piece |
Handlebar extender | Not Available |
Handlebar stem details | Aluminum 4 Bolt |
Headset size | 1 1/8 (inches) Threadless Tien Hsin TH-888 |
Gearing Specifications
Bicycle chain | 1/2 X 1/8 (inches)KMC Z410 |
Bottom bracket shell width | American |
Bottom bracket type | One Piece |
Crankset parts and sizes | 44 Teeth1-piece Chromoly 175 (millimeters) |
Gear shift levers | Not Available |
Rear gear set | 16 Teeth1-speed |
2-Hip Root Down Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown CrownChromoly Steerer |
Fork type | 2-Hip |
Other Specs of 2-Hip Root Down
Component group sets | Not Available |
Pedals details | Wellgo LU-313 |
Rear shock absorber | Not Available |
Saddle seat | Velo VL-7311 |
Seat post extension | 25.4 (millimeters) DiameterChromoly |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its Pro Performer bike manual
- Find All parts, tires and accessories of GT Pro Performer Freestyle here
- Get your 2-Hip Root Down manual book version yo know further about this bike
- Saddles, tires And mechanical parts for 2-Hip Root Down Freestyle here