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Two new products from Parcours, including the Grimpeur, surprising rim-brake carbon wheels

ByStan Updated on

Parcours, the British brand known for carbon wheels that combine performance and affordability, is making a big impact in 2025 with two major new products. On one side, a ratchet mechanism built into its premium road and gravel ranges. On the other, a reinvention of the Grimpeur wheels for rim brakes, modernised with #thinkwider technology. These innovations reflect Parcours’ commitment to offering advanced technical solutions to all cyclists, whether they are racers or enthusiasts.

Parcours’ new Star Ratchet system

Parcours is introducing a toothed-ring (ratchet) system in its premium hubs, an advance that replaces the old pawl design. With 36 teeth, this mechanism offers fast engagement – perfect for accelerating on technical routes – while ensuring long-term durability. The design increases the contact area under load, reducing the risk of slipping, even during intense efforts such as a steep climb or a sprint. This system is now fitted to the road (disc and rim brake) and gravel wheels. A welcome bonus: the hub bearings can be accessed without tools, simplifying maintenance for those who want to keep their wheels in perfect condition without going to a workshop.

Technical specifications:

  • Disc hub weight: 115 g (front), 220 g (rear with Shimano HG body).
  • Freehub bodies:
    • Shimano HG, SRAM XDR, Shimano Microspline for the disc version
    • Shimano HG, SRAM XDR for the rim brake version
  • Engagement: 36 teeth for an optimal balance between responsiveness and robustness.

Grimpeur 2025: rim-brake carbon wheels (finally!) move up a level

Rim brake fans will love the new version of the Grimpeur, reinvented for 2025. Parcours has built in its #thinkwider technology, widening the rim for the first time in this category. With a 41 mm rim depth, a 29.5 mm external width and a 22.5 mm internal width (the same as the disc models), this wheel meets growing demand: riding wide tyres without sacrificing aerodynamics. CFD simulation tests show that with a 25 mm tyre, it comes within 0.5 W of the Passista (56 mm), but beats that model by 1.5 W on average with a 28 mm tyre. The icing on the cake: despite this wider rim, the Grimpeur 2025 comes in under the 1,300 g mark.

Technical specifications:

  • Rim depth: 41 mm,
  • External width: 29.5 mm
  • Internal width: 22.5 mm
  • Weight: 1,300 g (575 g front and 720 g rear)
  • Hubs fitted with the Star Ratchet 36T mechanism.
  • Optimised for 25-28 mm tyres
  • Price: €1,429

Why choose the new Parcours products?

These innovations are not just simple updates: they meet real needs. The ratchet mechanism has become the norm given its effectiveness. It offers a responsiveness and ease of maintenance that will appeal to regular cyclists and racers alike. The Grimpeur 2025, for their part, modernise rim braking with a wide, light rim, perfect for climbers or fans of long rolling rides. Parcours continues to stand out by offering high-end carbon wheels at competitive prices, challenging the big brands without compromising on quality.

All the information on the official Parcours website.

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