Dirtmaster H.F.O. 1999 VS GT BUMP 1999 specs comparison
Dirtmaster H.F.O.
General InfosModel | H.F.O. |
Manufacturer | Dirtmaster |
Year of production | 1999 |
Current price | Check price Here ==> |
Color choice |
- Chrome-Plated - Red - Yellow -Black |
Sizes |
- Pro |
Sizes |
- Pro |
Wheels And Breaking System
Bike front tire | 20 X 2.25 (inches) Kenda K-841 |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Dia-Compe Tech 99 Levers Dia-Compe 990 Brakes |
Hubs for disc brakes | Joy Tech Jy A085SBT |
Rims manufacturer | 48-hole Alex Supra |
Spoke nipples type | Brass Nipples |
Spoke wheel | 2.0 (millimeters) Straight Gauge Da-Sen Stainless Steel |
Frame and Body Specs
Frame materials | 4130 chromoly c |
Frame type | TIG-welded |
Handlebar construction | Dirtmaster Hoochie |
Handlebar extender | Not Available |
Handlebar stem details | Odyssey Bang |
Headset size | 1 1/8 (inches) Threadless Aheadset SE-1 F and S With Odyssey Gyro Detangler |
Gearing Specifications
Bicycle chain | 1/2 X 3/32 (inches) KMC 408H |
Bottom bracket shell width | American 24tpi |
Bottom bracket type | YST BB 621 |
Crankset parts and sizes | 44 Teeth 1-piece Chromoly 180 (millimeters) |
Gear shift levers | Not Available |
Rear gear set | 16 Teeth 1-speed |
Dirtmaster H.F.O. Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown Crown 4130 Chromoly |
Fork type | Dirtmaster Street Fork |
Other Specs of Dirtmaster H.F.O.
Component group sets | Not Available |
Pedals details | Wellgo LU-313U |
Rear shock absorber | Not Available |
Saddle seat | Team Products Embroidered |
Seat post extension | 25.4 (millimeters) Diameter Primo Rod |
GT Bump
General InfosModel | Bump |
Manufacturer | GT |
Year of production | 1999 |
Current price | Check price Here ==> |
Color choice |
- Khaki -Atomic Blue |
Sizes |
- Not available |
Wheels And Breaking System
Bike front tire | Rear: 20 X 1.75 (inches) Powerlite Retro-Tread Front: 20 X 2.125 (inches) Powerlite Retro-Tread |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Dia-Compe MX-97 Rear Levers Dia-Compe 990 Rear Brakes |
Hubs for disc brakes | GT Mohawk |
Rims manufacturer | 48-hole Weinmann ZAC-X |
Spoke nipples type | Brass Nipples |
Spoke wheel | 2.0 (millimeters) Straight Gauge Steel |
Frame and Body Specs
Frame materials | Chromoly |
Frame type | Welded |
Handlebar construction | GT |
Handlebar extender | Not Available |
Handlebar stem details | GT Piston |
Headset size | 1 1/8 (inches) Threadless Aheadset SX-1 |
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 | 44 Teeth GT 1-piece Chromoly |
Gear shift levers | Not Available |
Rear gear set | 16 Teeth 1-speed |
GT Bump Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Oversize Unicrown Crown Chromoly |
Fork type | GT |
Other Specs of GT Bump
Component group sets | Not Available |
Pedals details | GT Aluminum Platform |
Rear shock absorber | Not Available |
Saddle seat | GT |
Seat post extension | 31.8 (millimeters) Diameter GT Chromoly Micro-adjust |
Useful links and guides ....
- To know more about this exacte bike, Dirtmaster provided us with the latest version of its H.F.O. bike manual
- Find All parts, tires and accessories of Dirtmaster H.F.O. Freestyle here
- Get your GT Bump manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Bump Freestyle here