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The Truth 26" Black Mamba DJ chromoly frame are hand man from 4130 chromoly. They use tapered headtube for increased stiffness of the front triangle.

Tapered tube will always be more rigid than a non tapered

The head tube fits Zero Stack ZS44/ZS56 semi-integrated headsets.

Head tube angle -71.8 deg. gives the Black Mamba a shorter wheelbase and better angles for better rider control.

The Truth Black Mamba uses custom chain stay Plate Yoke technology.

The yoke does not only provide lots of tire and chain ring clearance, it blends smoothly to the custom made and tapered 4130 Chromoly chain stay tubes.

The yoke plates are supported by a gusset, this combination will provides an extra strong connection to the bottom bracket and overall stiffness of the rear triangle.

A standard 1.37″ x 68 mm bottom bracket shell for extra welding surface area. 

All this added up to be the Ultimate Dirt Jumping frame.



Top Tube Length 21.50" Jr, 22.50" Sr

Rear End length 14.52" center to center

Head tube Angle. 71.8°

Seat post Angle 71°

Stand over 10.60"

Tire clearance 26"X 2.30"

Meets or exceeds ENBMX Racing standards


To purchase, we require a non-refundable 50% deposit to begin.  The balance is due then when your frame ready to ship. Current production time is approximately 125 days excluding weekends and holidays


Black Mamba frame are hand made, to order. With the times of the pandemic ETA date could change.


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