Dirtmaster JUMP 1999 VS Dyno AIR 1997 specs comparison
Dirtmaster Jump
General Infos| Model | Jump |
| Manufacturer | Dirtmaster |
| Year of production | 1999 |
| Current price | Check price Here ==> |
| Color choice |
- Green -Chrome-Plated |
| Sizes |
- Pro |
| Sizes |
- Pro |
Wheels And Breaking System
| Bike front tire | 20 X 2.25 (inches) Cheng Shin M-110 |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro RBP-341A Rear Levers Tektro 910A Rear Brakes |
| Hubs for disc brakes | Formula OV 31 |
| Rims manufacturer | 48-hole Alex X-303 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Da-Sen Steel |
Frame and Body Specs
| Frame materials | 4130 chromoly c |
| Frame type | TIG-welded |
| Handlebar construction | SE Racing Rollbar |
| Handlebar extender | Not Available |
| Handlebar stem details | Kalloy MX-817 |
| Headset size | 1 1/8 (inches) Threadless Tioga TG |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) KMC 410 |
| 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 Jump Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown 4130 Chromoly |
| Fork type | Dirtmaster Dirt Fork |
Other Specs of Dirtmaster Jump
| Component group sets | Not Available |
| Pedals details | Wellgo LU-313 |
| Rear shock absorber | Not Available |
| Saddle seat | Team Products Embroidered |
| Seat post extension | 25.4 (millimeters) Diameter Steel Micro-adjust |
Dyno Air
General Infos| Model | Air |
| Manufacturer | Dyno |
| Year of production | 1997 |
| Current price | Check price Here ==> |
| Color choice |
- chrome-plated - red splash -Black |
| Sizes |
- Boys |
Wheels And Breaking System
| Bike front tire | 20 X 1.75 (inches) GT LP III |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Aluminum Levers Dia-Compe Bulldog Brakes |
| Hubs for disc brakes | GT Mag 3 Spoke |
| Rims manufacturer | GT Mag 3 Spoke |
| Spoke nipples type | Not Available |
| Spoke wheel | Molded Reinforced Nylon |
Frame and Body Specs
| Frame materials | Chromoly Seat & Downtube and hi-tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | Dyno |
| Handlebar extender | Not Available |
| Handlebar stem details | Dyno Aluminum |
| Headset size | 1 (inches) Steel With Detangler |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) KMC 410 |
| Bottom bracket shell width | 68 (millimeters) Threadless |
| Bottom bracket type | One Piece |
| Crankset parts and sizes | 43 Teeth 1-piece Steel |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
Dyno Air Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Hi-tensile Steel |
| Fork type | Dyno |
Other Specs of Dyno Air
| Component group sets | Not Available |
| Pedals details | GT Aluminum Platforms |
| Rear shock absorber | Not Available |
| Saddle seat | Dyno Nylon |
| Seat post extension | Steel Pillar |
Useful links and guides ....
- To know more about this exacte bike, Dirtmaster provided us with the latest version of its Jump bike manual
- Find All parts, tires and accessories of Dirtmaster Jump Freestyle here
- Get your Dyno Air manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Dyno Air Freestyle here