Dirtmaster Jump 1999 Technical specs and features
| Brand | Dirtmaster |
| Model | Jump |
| First production | 1999 |
| Bike category | Freestyle |
| Bike sub-category | Freestyle And Jumping |
| Bike Pricing | Check price Here ==> |
| Parts And Accessories | Dirtmaster Jump Parts |
| Available 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 Specifications
| 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 Specs
| 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 |
| Available colors | - Chrome-Plated - Green |
| Weight | 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 |
Dirtmaster Jump picture
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Dirtmaster Jump bike review
Dirtmaster produced the Jump bike in 1999 and can be classified as a Freestyle bicycle, this exact model costs in american market arround $339.99.
Dirtmaster Freestyle Jump can be found in a few colors, among these colors Chrome-Plated and Green .
This bike is equiped with 20 x 2.25" Cheng Shin M-110 tires and Da-Sen steel spoke wheel while the rims are manufactured by Alex X-303, 48-hole. Dirtmaster equiped this exact model with Tektro 910A rear brakes, Tektro RBP-341A rear levers braking system and Formula OV 31 hubs.
To guarantee the comfiest ride Dirtmaster used 4130 chromoly material for the frame. SE Racing Rollbar high strength material is used on the handlebar of this Jump to ensure the perfect handling while the stems are made of Kalloy MX-817.
For the smoothest biking experience 1-piece chromoly 180mm, 44 teeth is used on this bicycle linked to KMC 410 chain that is easily replaceable as stated by Dirtmaster.