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New Gear: Momsen’s Gravel-Bike Series

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South Africa’s gravel-bike commander, as created by Momsen, entertains uneven back roads, jeep track, and any gravel path you set it on! Momsen recently entered the gravel bike industry, with the launch of two commanding gravel-grinding bike models; the R355 and GP300.

The Momsen R355 is the carbon stronghold of the series. While the Momsen GP300 takes a humbler path of being the Alloy version of this gravel-bike model, playground.

What’s their purpose?

A question that crossed our minds, countless times. One could say gravel bikes are confused bicycles; can’t decide between dirt or tar.

  • Long road rides.
  • Back-road gravel grinding.
  • All-road; jeep-track, farm roads.
  • They are simply a bridge between mountain bikes and road bikes.


The Momsen R355 gravel-bike, comes out locked-loaded with a carbon frame, and rigid carbon fork. Then, what makes gravel-bikes special; the provision and swappable 27.5×2.10/ 700x50c/ 29×2.10 tyre sizes. Momsen engineered the R355 to be adaptable, and what more adaptable, than SRAM’s Force1 1×11 drivetrain. This gear ratio, comes out with a MTB specific cassette with 40T chain ring.

Momsen included an anti-shock, carbon, seat-post that adds massive benefits to comfort. Stan’s ZTR Grail MK3 MTB wheels are paired up with a bike that tends towards open, roads. You can bet, that together with the dropper bar, the R355 can fly over rough surfaces.


The GP300 Alloy Gravel Plus frame is solid, and ready for anything you throw at it. Also making room for 27.5×2.10/700x50c/29×2.10 tyres and with SRAM’s Apex 1×11 Drivetrain, Momsen are able ensure great value with the GP300. Momsen chose to diverge a bit with brakes though; Tektro Spyre mechanical disc brakes, was what they equipped the bike with. We’d like hydraulic brakes instead of mechanical, for that extra stopping power. Otherwise great value!

Strictly for adventure…
Momsen R355
Momsen GP300   



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Bike guide

Built for: Dual Suspension Trail
Year launched: 2022