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PUSH teases moto-inspired inverted suspension fork

prototype push industries inverted suspension fork for trail and enduro mountain bikes
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PUSH founder Darren Murphy wasn’t letting on what’s inside their upcoming inverted suspension fork, but shared a few thoughts on why they did and what sets it apart from past attempts to bring a mid- to long-travel trail and enduro fork to market with an upside down design.

closeup details of prototype push industries inverted suspension fork for trail and enduro mountain bikes

One of the most visually unique features is the deep crown, coming far down the alloy upper legs. He says the moto industry figured it out long ago that the way to make an inverted fork stiff enough is the relationship between the crown and the legs, and tapering the legs appropriately.

closeup details of prototype push industries inverted suspension fork for trail and enduro mountain bikes

Another critical part is keeping the stanchions sliding in tandem, and oversized dropouts with a pinch bolt design. Thick dropouts mean longer axles, which means more overlap on either end, which will also improve stiffness.

We’re guessing it’s sticking with the common 15×110 Boost dimensions, but would also guess it’ll be a floating axle design to keep everything perfectly aligned.

closeup details of prototype push industries inverted suspension fork for trail and enduro mountain bikes

The dropouts bolt to the stanchions, too, which could allow for a modular design. Rebound (presumably) controls are on the bottom…

closeup details of prototype push industries inverted suspension fork for trail and enduro mountain bikes

…and compression controls up top. Both have surrounds that look to thread out, making it easy to remove any damping cartridge, likely without having to disassemble the entire fork.

closeup details of prototype push industries inverted suspension fork for trail and enduro mountain bikes

Another interesting little bit is this bolt on the backside. We’re thinking it’s one of three things:

  • It holds a lower bushing/seal/cup in place that captures the lowers in the uppers, which could also act as a top-out bumper.
  • It’s a lube/grease port
  • It holds a “key” in place and the stanchions have a (or likely multiple) flat face or slot inside the upper that prevents the lowers from spinning around when the wheel and axle are removed.

It’s a hex bolt, so it’s probably not a pressure release valve. Any other guesses?

closeup details of prototype push industries inverted suspension fork for trail and enduro mountain bikes
closeup details of prototype push industries inverted suspension fork for trail and enduro mountain bikes

The brush guards shown here are 3D-printed to dial in the fit, but production versions will be injection-molded plastic.

No word on travel or price, but it should be available this summer. It’s shown here on the Trek Fuel EX-e (150mm fork) and We Are One Arrival, which comes in 152mm and 170mm rear travel variants, so it’s aimed at Trail and Enduro riders. Official specs will be available when they formally announce it, which could be as early as May.

PushIndustries.com

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Fake Namerton
Fake Namerton
11 months ago

Wow! Tech that has been widely accepted in the motorcycling world since the 80s. Sure the pricing will be reasonable.

hllclmbr
hllclmbr
11 months ago
Reply to  Fake Namerton

They’ve been making single crown inverted moto forks since the 80s?

TIL

Dirt McGirt
Dirt McGirt
11 months ago

Some of y’all didn’t mountain bike in the 90’s and it shows…..

Oomgawa
Oomgawa
11 months ago

That fork is going to be amazing

Oomgawa
Oomgawa
11 months ago

I just hope it makes it to production, unlike the maverick duc38, which also looked amazing.

MTBDave
MTBDave
2 months ago
Reply to  Oomgawa

I rode the Maverick Duc dual triple clamp for years mated to a custom-built Ventana X5. It was an amazing fork! I’d speculate it still would be today.

raoul
raoul
11 months ago

there has been an inverted fork from a different brand in almost all trade show for the last 10 years. I don’t recall any making it to market. it looks nice though…

Chris Killer
Chris Killer
11 months ago
Reply to  raoul

wren, supermax, rs1, dorado, intend, bright…

Tim
Tim
11 months ago
Reply to  Chris Killer

RS1 was known for being a noodle, similar story for Dorado.
Wren, Intend, Bright- boutique brands, which is great, but not a big real world following.

Ed Figaniak
Ed Figaniak
11 months ago

RockShox had one on Specialized Epics back in the day!

david harris
david harris
11 months ago

Great, a really over priced fork

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