Formula Tech Suspension E39 Inverted Front Suspension Fork

Elevate your lightweight electric dirt bike with the Formula Tech Suspension E39 Inverted Front Fork, engineered specifically to meet the high-speed demands and heavier chassis loads of modern e-motos. Featuring massive 39mm hard-plated chromoly steel stanchions finished with a slick titanium black coating, the E39 eliminates front-end flex under heavy trail braking and high-impact landings, delivering razor-sharp steering precision across all terrain.

Available at Electric Cycle Works, the Formula E39 delivers an extended 230mm of plush front wheel travel. Its motorcycle-inspired dual coil spring system paired with custom hydraulic damping is factory-tuned for riders weighing 130 to 175 lbs (60–80 kg), with five optional spring rate combinations available to suit any rider weight or discipline.

Formula Tech Suspension E39 Key Performance Highlights

• 39mm Titanium-Black Chromoly Stanchions: Oversized hard-chromed steel stanchion tubes provide maximum structural rigidity and scratch resistance during extreme off-road riding.

• Extended 230mm Wheel Travel: Offers increased travel over standard factory forks to absorb large G-outs, deep ruts, and motocross track jumps without bottoming out.

• Dual Coil Spring & Hydraulic Damping: Combines robust internal coil springs with hydraulic dampers calibrated specifically for the speed and weight profile of light e-motos.

• Independent External Adjustments: Easily fine-tune your front-end feel using tool-free external controls for High-Speed Compression, Low-Speed Compression, and Rebound.

• Flexible Crown Options: The included standard drop crown supports 21″ front wheel setups, while an optional flat crown configuration caters to standard 19″ wheels.

• Versatile Brake Mount Compatibility: Native PM6 post mount fits 160mm to 220mm brake rotors out of the box, with adapter support for oversized 230mm rotors.

Fitment & Multi-Platform Compatibility

Each E39 kit includes the required triple clamps, heavy-duty axle, and wheel spacers for a direct plug-and-play installation on standard factory hubs.

Technical Specifications Matrix

Why Order From Electric Cycle Works?

• Authorized E-Moto Suspension Specialists: Work directly with our technical team to choose the ideal spring combination and crown configuration for your wheel setup.

• Fast Freight Dispatch & Local Pickup: Order online for quick nationwide shipping or select direct local pickup at our Salt Lake City showroom.

• Guaranteed Fitment Support: We ensure your fork kit includes all necessary axle spacers and triple clamps for a hassle-free installation.

Frequently Asked Questions

Will the Formula E39 fit a 21-inch front wheel?

Yes! The standard drop crown setup included with the E39 kit provides ample clearance for 21-inch front wheel conversions. If you run a standard 19-inch wheel, a flat crown option is also available.

What rider weight is the factory spring rate designed for?

The factory-installed medium spring rate is tuned for average-weight riders between 130 lbs and 175 lbs (60–80 kg). For heavier or lighter riders, five alternative spring rate combinations can be swapped in.

Does this fork include guards and installation hardware?

Yes. Every Formula E39 fork kit comes complete with protective plastic stanchion guards, CNC triple clamps, a dedicated front axle, and matching wheel spacers.