Happy Jack
Happy Jack
Made in USA
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Our steel dirt jumper, ‘nuff said. Handmade in Marin County, USA.
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Origin
Made in Novato, CA, USA
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Specs
- 100 mm fork
- 69.5° HTA
- 26in wheels
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Customizability
- Current stock in Ice Blue available to buy now
- Customizable parts, colors, and more available on request
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Sizing
One size fits all; Contact us for custom sizing.

Geometry
HTA: 69.5
Stack height: 584
BB height: 312
Reach: 423
Tire clearance: 26x2.3

Specs
Travel: 100mm
Wheelsize: 26 front / rear
Tire Clearance: 2.3
Rear Axle: 135 bolt on or 12x142
Bottom Bracket: Threaded T47 73
Headtube: Tapered IS42/52
Seatpost Diameter: 31.6mm
Brake Mount: IS 160, up to 180mm
Shift and Brake Cable Routing: External top tube
Material: Blend of Air Hardening Velospec Tubing and US sourced 4130 Chromoly
Color: Currently available in “Ice (Gloss)” color only, shown here. Contact us if you’re interested in a different color.