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Mokumono’s Automotive-Inspired Delta S e-Bike Redefines Bicycle Design

E-bikes seem to be on the up and up. With this movement, you’re bound to see countless designs promising to be your next solution. The Mokumono Delta S e-bike is intriguing, to say the least, but then, there’s more than meets the eye.
Delta S e-Bike 20 photos
Photo: Mokumono
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Mokumono is the sort of team looking to do the whole urban mobility thing differently. Born in the Netherlands and led by innovation and a belief that bicycles are not disposable products, this team is looking to change cycling history.

Taking inspiration from self-supporting body design used in the automotive industry, Mokumono can produce a monocoque frame that is both light and structurally sound. Like few companies I've seen (come to think of it, none at all), the production process behind their bikes includes two aluminum halves that are shaped with the help of rubber molds, as well as a machine-welded bottom bracket, seat post tube, and head tube. To offer further reinforcement to the would-be chain stay, another aluminum component is added behind the seat post.

Delta S e\-Bike
Photo: Mokumono
Now, this is all meant to yield a light bike, does it? Well, with components and all, the Delta S comes in with a weight of just 16 kg (35.3 lbs), surprisingly light in comparison to how much space the frame occupies. Even though the frame design isn’t so classic, the top tube, seat post, and handlebars still exist. In this case, they’ve been set to an urban rider geometry.

To add more urban commuter style and comfort to the bike, there’s a set of Pletscher fenders and integrated pannier mounts. The Brooks Cambium C15 saddle is a clear sign of its city heritage, and Ergon GA3 grips complete the comfort features.

Since most bikes meant to perform in a city and on streets don’t include a suspension system, the tires and fork are crucial in providing a more pleasant ride. To do that, the Delta S includes a set of WTB Horizon tires with a smooth centerline and herringbone outer tread to go a bit beyond the pavement. As for the fork, Mokumono includes an aluminum crown and carbon blade construction to add a bit more vibrational attenuation while keeping the bike light.

Delta S e\-Bike
Photo: Mokumono
By now, you may have noticed that there’s no classic bike chain on the Delta S. That’s because this bike features a Gates Carbon Drive unit. Not only does this make the bike a nifty and clean single-speeder, but it also offers one of the highest levels of ease-of-use on the market.

From here, the fun bits are all that’s left. The Gates belt attaches to a classic rear sprocket which in turn is attached to a 36-volt, 250-watt motor that will offer assistance up to 25 kph (15.5 mph). It may not be the biggest motor around, but it’s what’s legal in Europe. I’m sure that somebody can figure out how to get a bit more speed out of it.

Powering the goods is a 7-Ah battery that will be good for a max range of 60 km (37.3 miles). With this sort of electric assist range, if you’re the kind of rider that likes to feel the burn from their own work, you can easily extend your distance by only using the motor when necessary. Once drained, only two hours are needed to get up and ride at 100% capacity.

Delta S e\-Bike
Photo: Mokumono
Mokumono makes this possible by including a connectivity app that allows you to establish routes and even find the shortest one, check battery levels, and select power modes. Beyond this, the team also offers an option for a GPS tracker if your bike gets stolen. Heck, with a price of €2,990 ($3,651 at current exchange rates) for a Delta S with no GPS, you might as well throw in the extra cash and know you won’t have any issues.

And even if your Delta gets stolen, the bike is so unique and different you’d easily spot it if it were for sale on Craigslist or anything like that.

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About the author: Cristian Curmei
Cristian Curmei profile photo

A bit of a nomad at heart (being born in Europe and raised in several places in the USA), Cristian is enamored with travel trailers, campers and bikes. He also tests and writes about urban means of transportation like scooters, mopeds and e-bikes (when he's not busy hosting our video stories and guides).
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