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Vorsprung Smashpot V2 - Fork Coil Conversion System - Fox

Vorsprung Smashpot V2 - Fork Coil Conversion System - Fox

Regular price $400.00 USD
Regular price Sale price $400.00 USD
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Experience phenomenal grip, control and sensitivity that you didn't know mountain bikes could even have, with the Smashpot V2- the bottomless fork coil spring conversion system for long travel MTB forks.

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IMPORTANT INSTALLATION INSTRUCTIONS

WARNING: Vorsprung products should be installed and serviced by a trained bicycle service technician, in accordance with both VORSPRUNG and original manufacturers' specifications. If you have any doubt whether or not you can properly service your suspension product, or you have not performed this kind of work before, then please DO NOT attempt it. Improperly serviced products can fail, causing the rider to lose control resulting in SERIOUS INJURY OR DEATH. That's not a joke. Don't mess around with it if you don't know what you're doing, because the best case scenario is usually that you damage something in the process. Do not perform any kind of service on your suspension whilst drunk, high or stupid. We accept no responsibility nor liability for component damage or failure of any description in the case of self-installed units.

NOTE: The Vorsprung SmashPot is also available for other fork brands. Additional models will be added to the site soon. If you’re looking for a specific version, reach out directly to Mark for assistance.

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Run over EVERYTHING.

Experience phenomenal grip, control and sensitivity that you didn't know mountain bikes could even have, with the Smashpot V2- the bottomless fork coil spring conversion system for long travel MTB forks.

MONSTER-TRUCK CONTROL

MONSTER-TRUCK CONTROL

Turns your fork into a traction machine. More grip, more calm, more speed—everywhere.

PHENOMENAL SENSITIVITY

PHENOMENAL SENSITIVITY

Eats chatter and square edges. Small-bump feel with big-hit confidence.

CONSISTENT SPRING RATE

CONSISTENT SPRING RATE

Same predictable support in every condition—hot, cold, wet, whatever.

HALF THE FRICTION

HALF THE FRICTION

Cuts fork friction roughly 50% vs. air, so the fork actually moves when the trail does.

HYDRAULIC BOTTOM-OUT

HYDRAULIC BOTTOM-OUT

Adjustable HBO tames the last 20% of travel. Big sends, no harsh clank.

FITS EVERY RIDER

FITS EVERY RIDER

11 coil rates cover 45–125 kg (100–275 lbs). Light riders use full travel; heavy riders get real support—without brutal air pressures.

TRAVEL YOU CONTROL

TRAVEL YOU CONTROL

Change travel with internal spacers—no new parts required, no drama.

LOW-MAINTENANCE, SWAPPABLE

LOW-MAINTENANCE, SWAPPABLE

Set it and forget it. Easy to service and can be moved between forks with minimal parts/cost.

It is important to consider where/what you ride the majority of the time for the best recommendation. Each input is explained below.

This is your weight fully kitted (including gear & pack). An approximation is fine.
If you know roughly, great! If not, 33lbs/15kg for a regular bike, 50lbs/23kg for an e-bike.
This is a measure of the speeds naturally inherent to the terrain you ride. A moderate downslope with open corners will favour high speeds. Low angle, undulating terrain with a lot of pedalling, or persistent steeps, promotes low speeds.
Your ability to attack any given trail, including corners, rough and slippery terrain, and steep sections at speed.
We're not all Olympic athletes. Will an unexpected hard compression throw you off the bike? Can you handle a sustained beating down a 5 minute trail without taking a break?
Consider the size of the jumps you like to ride. Some comparisons: Small - jumps up to a bike length long, drops up to 2ft. Medium - Most table tops, small gaps, and less-than-head height drops. Think Crank It Up to A-Line. Rampage - Big gaps, huge step downs, stuff that looks like it should be done on a moto. Red Bull Rampage, FEST Series events, Crabapple Hits, Dreamline, etc.
A compliant setup will give better bump sensitivity and be easier on the rider. A stiff setup will favour support but will be a bit more physically demanding on the rider.

Dual-Rate Progressive Springs

New dual-rate progressive spring curves for 180-200mm travel settings give you the ultimate combination of initial compliance and deep stroke support.

Say goodbye to harshness. You've never ridden a mountain bike fork that felt this good.

Supple and Supportive

Eat up the small stuff without compromising on the big compressions.

Smashpot V2 is more progressive at firmer spring rates - more support for heavier & harder-charging riders, without restricting travel usage for lighter & more cruisy riders.

Why Coil?

Air springs have improved substantially over the years - and we've been at the forefront of air spring development for years, so we've got no bridges to sell you. Yeah, coils are heavier than air, and for some riders that alone is a dealbreaker - fair enough. The advantages of coil springs, however, are clear:

Zero stiction or friction in a coil spring. And no moving seals in the spring system to wear out, cause friction or leak.

Zero spring rate variation allowing more mid-stroke support and consistency.

More oil in the fork - lubrication and service life are improved.

In short, improvements in sensitivity, grip, compliance, mid-stroke support and consistency, with reductions in harshness and hand pain.

Adjustable Hydraulic Bottom Out Control

Weight aside, air springs outperform coil springs in one critical area: bottoming resistance. The hydraulic bottoming control valve addresses this with a speed sensitive shimmed valve which engages progressively and seamlessly in the last 40mm of travel, bringing the fork to a smooth and controlled stop at the end of the travel.

High energy and low energy inputs are effectively managed without harshness. Easy tool-free external adjustment ensures you get as much or as little bottoming resistance as you need at the turn of a dial. Increased stability as energy is dissipated, rather than stored and thrown back at you.

FREQUENTLY ASKED QUESTIONS

How do I specify the travel I want?

Travel is set internally during installation, anywhere from 140mm to 200mm (don't exceed the maximum your fork is able to use!). You don't need to specify a travel when you order - your kit can do any of those.

How much weight does it add?

It's heavier than your air spring by between 250-450g, depending on spring rate (firmer springs are generally heavier) and the fork's original spring system. If the weight bothers you, you may be more interested in a Luftkappe or Secus.

Can I convert my fork back to air afterwards?

It depends, on some forks like Ohlins or the F38 that doesn't use the ID of the stanchion as sealing surface, then yes, possibly. There is a risk that spring rub may score the inside of your stanchion, so the the air piston may not seal again.

The spring is both isolated and guided to minimise stanchion knock and rub, however we cannot guarantee an air spring will seal again after riding with a spring installed. We'd be pretty surprised if anyone actually wanted to do this after riding the Smashpot though.

Does it void the fork's warranty?

As with any aftermarket modifications, it should be expected to void the fork manufacturer's warranty.

Do I need any extra parts to change the travel?

All spacers required are included with the kit. If you do not have the original parts, you may also need 'Travel Adjust Kit'. You will want more heat shrink for the cartridge tube, as it's installed after travel is set internally.

Typical fork maximum permissible travels:

These change year by year across year models (for example, Lyriks from 2016-2022 were 180mm max, but from 2023+ they are 160mm max). Check with your fork's manufacturer regarding the maximum travel of your fork - if in doubt, don't exceed what your existing fork is currently set to.

I'm changing travel and I want to source heat shrink myself. What size do I need?

Spring:
2:1 singlewall polyolefin non-adhesive, with an initial (non-shrunk) diameter of 1.25" (32mm).
1.5" (38mm) initial diameter will also work.

Outer tube:
2:1 singlewall polyolefin non-adhesive, with an intital (non-shrunk) diameter of 3/4" (19.1mm)