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Momsen Vipa Mountain Bike Gets 1x Specific Frame Update, Plus New Downer Carbon Stem

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Momsen Vipa XC race full suspension mountain bike gets 1x specific frame update

South Africa’s Momsen Bikes has been growing rapidly on their home turf, upping the ante with sponsorship of that continent’s first UCI XCO mountain bike team, Kargo Pro MTB.

To keep them at the front of the pack, founder Victor Momsen developed a special edition of the Vipa for 1x drivetrains only. It’s team issue only for now, but will be offered as a frameset to everyone starting August 2014. A complete bike built will follow for 2015. The main (only) difference is a revised drive side chainstay. Since clearance for multiple and larger chainrings wasn’t necessary, he beefed up the stay to maximize stiffness.

Detail shots and more below…

Momsen Vipa XC race full suspension mountain bike gets 1x specific frame update

This one made its World Cup debut in South Africa earlier this year. Note the massively oversized chainstay, about three times as tall as the standard Vipa built for 2x drivetrains.

Momsen Vipa XC race full suspension mountain bike gets 1x specific frame update

The Vipa is pure XC race. It’s built around 80mm rear wheel travel intended for 80-100mm forks. The Small size frame is designed around 650B wheels, and the Medium and Large are 29er.

Momsen Vipa XC race full suspension mountain bike gets 1x specific frame update

The suspension and frame are designed in conjunction with Patrick Morewood. Check this post for more on the collaboration and images of the standard Vipa.

Momsen Vipa XC race full suspension mountain bike gets 1x specific frame update

The front triangle remains unchanged, hence the front derailleur mount. That may go away on production 1x frames. Price and spec TBD.

Momsen Vipa XC race full suspension mountain bike gets 1x specific frame update

MOMSEN DESIGN

Momsen-Downer-carbon-fiber-negative-rise-stem

The other side of the company is components, and their new Downer stem combines with their Up/Down carbon handlebar to lower the cockpit height even further.

Momsen-Downer-carbon-fiber-negative-rise-stem

It’s available in 60mm and 90mm lengths with a -20º rise. Full carbon, boxy construction should make for a very stiff stem. Weights are claimed at 139g and 160g. It comes with 5mm and 10mm carbon steerer tube spacers, too.

MomsenBikes.com

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JimBob
JimBob
8 years ago

Is that an Epic?

fguelfi
fguelfi
8 years ago

What is that battery in the bottom of the front triangle? Looks like the di2 shimano battery but not sure what the function is considering the XX1 transmission.

Nick
Nick
8 years ago

JimBob- Thought the same thing. For whatever its worth, it has a strong resemblance to the Epic WorldCups (minus the Brain)

fguelfi–I think its for the Fox suspension–it looks like the battery is running to the rear shock at least, maybe the fork as well. Can’t recall if thats just lockout, or something more advanced.

jayoee
jayoee
8 years ago

The battery is for the electronic Fox shock

FYI
FYI
8 years ago

Its a battery for the Fox iCD or “iCTD”. Fox’s Electronic Lockout/Remote.

uhhg
uhhg
8 years ago

Almost identical to an epic world cup except for the rear pivot point.

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