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Frequently asked questions


What is the max/min rider height and weight?

Helix has been designed to accommodate riders between 5' to 6'4" and carry up to 250 lbs (113 kg).

With the current spec, the saddle height can be raised or lowered to accommodate a 5' - 6'4" rider. The seatpost also has a 40mm setback and a 60mm forward position. The stem has a 20mm rise that can be flipped to get a 20mm drop.

If any of these adjustments are not enough, it is always possible to replace the stem, seatpost, handlebar and crankset to achieve a better fit. The seatpost dimensions are 28.6mm x 430mm and the steerer tube diameter is 28.6mm.

Can I customize Helix?

Helix is compatible with many industry standard components. Click here for more information.

Can Helix be converted to electric assist?

Helix will soon be offered in an Electric version. This is the best route to take for an electric Helix.

Existing bikes can be upgraded by purchasing the electric dropouts however the electric components will need to be purchased separately.

Does Helix have mounts for mudguards, racks and water bottles? What about other accessories?

Yes, details regarding accessories can be found here.

Will there be a carrying case or bag for Helix?

We will be offering a padded soft-case bag and a hard-shell travel case that can also be used as a trailer. These will be available late 2022.

Is the single sided fork safe?

Yes. The single sided fork is just as safe as a double sided fork. The use of large diameter titanium tubing and a large tapered axle makes it very strong and also rigid.

Your bicycle pedal is a type of "single sided fork", the pedals axle can hold your entire body weight.

Single sided forks have been used in the bicycle and motorcycle industries for years.

Can I buy Helix as a frame only?

Helix is currently not available as frame only. While Helix is compatible with many off the shelf bicycle components, it has significantly tighter clearances than regular bicycles. For this reason we are currently offering Helix as a complete bike only.

For more details regarding customization can be found here.

What are the differences between the three models?

Helix is available in 3 different drivetrain options: a single speed, a 10 speed derailleur, and an 11 speed internal gear hub.

The single speed is best suited for flat, mostly level terrain. It requires little maintenance and has a simple, clean look. It is the lightest of all three models.

The 10 speed derailleur is the highest performance model. It offers a wide range of gears that allow you to climb steep hills and also ride fast. It requires some basic maintenance.

The 11 speed Alfine offers the simplicity, clean look and low maintenance of the single speed with slightly less performance than the 10 speed. The gears are fully enclosed and away from the elements making it a good choice for wet conditions. It is however the heaviest of all three models.

What is the gear range of each model?

Detailed gearing information can be found here.

Can Helix fit into a suitcase?

Yes, Helix can fit into a standard large size suitcase, with minimum internal dimensions of: 21.5" x 10.5" x 27". We have tested is the Samsonite 30" EVOA Luggage and Helix fits perfectly but we do recommend using a bicycle specific case as it will offer the most protection while travelling.

We will be offering a custom suitcase that meets airline size requirements towards the end of 2022.

How much does Helix cost?

Please see pricing here.

What countries do you ship to?

Helix ships worldwide.

What is the frame geometry?

Frame geometry information is available here.

How can a bike with 24'' wheels fold to a height of 23''?

Many different tires sizes can fit on the same rim. For example, in our case we use a 1.5" wide tire on a ERTRO 507 rim (approx 20"), which brings the overall diameter to about 23". If we used a wider tire, such as a 2.25", the diameter would increase even more. To try and keep things simple, the bicycle industry calls it a 24" wheel.

For more information on bicycle industry tire sizing please visit: http://sheldonbrown.com/tire-sizing.html

Is the single speed version upgradeable to 10 speed or higher? Can I switch between the different drivetrain options?

Yes, the single speed version uses the same hub as the 10 speed, a Formula CL-142A 142mm x 12mm thru-axle with a single sprocket and spacers. You will be able to remove the sprocket and add a cassette of your choice and additionally add a derailleur, shifter and cable.

Helix uses interchangeable dropouts which makes it possible to change between the different drivetrain options.


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