Dirt Jumper Frame-Kit – 4130 Triple Butted Cromoly
US $695.00
If speed and flow is your game, this is your frame! Pumptracks and Dirt Jump lines .. they’re popping up all over Australia at the moment and are SO MUCH FUN!
So we have developed this frame specifically this use … 4130 Triple Butted Seamless Cromoly tubeset and available in 2 different frame sizes to cover a larger range of rider preferences.
With a super short 380mm rear-end and a choice of either Medium ( 400mm reach ) or Large ( 425mm reach ) front end these are the perfect chassis to build your ultimate speed weapon!
Go Short or Long! Just Send It!
- Triple Butted Seamless 4130 Cromoly Tubing
- 2 Frame Sizes ( same seattube length, different front reach )
- Super Short Rear-End
- 100mm Suspension Fork Compatible
- 330mm Seattube Length (both sizes)
- Kit includes Frame, Seatclamp and Integrated Alloy Headset
| FRAME | TRIPLE BUTTED SEAMLESS 4130 CROMO CUSTOM TUBING |
| DRIVETRAIN | DESIGNED FOR 1X DRIVETRAIN, 28T ~ 32T RECOMMENDED |
| FORK | DESIGNED AROUND 483MM AXLE-TO-CROWN FORK / RIGID OR 100mm SUSPENSION TRAVEL RECOMMENDED |
| SEATCLAMP | 31.8mm |
| SEATPOST | 27.2mm |
| BOTTOM BRACKET | 73mm THREADED |
| TYRE SPEC | 70mm CLEARANCE, 26 x 1.95 ~ 2.25 RECOMMENDED |
| FRAME SPACING | 135 X 10mm |
| BRAKE SPEC | POST MOUNT, 160mm ROTOR |
| HEADSET SPEC | TAPERED TYPE, 42/52mm INTERNAL TYPE FOR TAPERED STEERER FORK |
*We reserve the right to make changes to the product information contained on this website at any time without notice, including with respect to equipment, specifications, models, colors, and materials.
Geometry & Sizing
| SIZE 01 | SIZE 02 | |
| [A] SEATTUBE LENGTH | 330 | 330 |
| [B] TOPTUBE EFFECTIVE | 590 | 621,5 |
| [C] HEAD ANGLE | 69 | 69 |
| [D] SEAT ANGLE | 71 | 71 |
| [E] WHEEL BASE | 1030 | 1062 |
| [F] REAR CENTRE | 380 to 390 | 380 to 390 |
| [G] BB DROP | 25 | 25 |
| [H] HEADTUBE LENGTH | 100 | 120 |
| [I] REACH | 400 | 425 |
