RHC G40 Gravel Carbon Wheelset
RHC G40 Gravel Carbon Wheelset - Image 2
RHC G40 Gravel Carbon Wheelset - Image 3
RHC G40 Gravel Carbon Wheelset - Image 4

RHC G40 Gravel Carbon Wheelset

RM3,099.00

Gravel Fast. Hookless Control.

G40 is a modern gravel carbon wheelset built for speed, stability, and confident tyre support on mixed surfaces.
With a 40mm profile and a wide 25mm internal width, it is optimised for 35–50mm tyres to improve traction, comfort, and cornering stability at lower pressures.
The hookless bead design reduces weight and supports a clean tyre shape for reliable handling on rough roads and gravel.
Designed for real-world gravel riding, it balances efficiency on hardpack with control on loose terrain.

  • 40mm gravel aero profile
  • 25mm internal / 30mm external
  • 360g rim (rim only)

Disc Only | 12×100 / 12×142 (standard) | Max Tyre Pressure: 75 PSI | Rider Weight Limit: 110 kg

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Rim Engineering

  • Wheel size: 700C (650B available via RHC Custom Build)
  • Depth: 40mm
  • Internal width: 25mm
  • External width: 30mm
  • ERD: 564mm
  • Bead: Hookless
  • Tubeless Ready
  • Brake: Disc only

Effective Rim Diameter (ERD) is 564mm to ensure accurate spoke length calculation and long-term serviceability across standard 24H gravel builds.

 

Performance Design

G40 is tuned for modern gravel riding where tyre support and stability matter as much as speed. The 25mm internal width stabilises wider tyres, improving cornering confidence and reducing sidewall squirm on loose surfaces.

At 40mm depth, G40 adds aerodynamic efficiency for sustained speed on hardpack and tarmac transitions while remaining composed on rough roads and variable wind conditions.

  • Stable tyre support at lower pressures
  • Confidence on loose gravel and rough roads
  • Efficient speed on hardpack and mixed surfaces
  • Balanced handling for long gravel rides

 

Intended Use

G40 is built for riders who want one wheelset for gravel, endurance road, and mixed-surface riding. It is ideal for 35–50mm tyres where comfort, traction, and control are priorities.

The hookless interface is designed for modern tubeless gravel tyres and supports a clean tyre profile for predictable handling and durability.

  • Gravel and mixed-surface riding
  • Endurance riding with wider tyres
  • Riders prioritising traction and stability
  • 35–50mm tyre setups

 

Build Platform

  • Standard drilling: 24/24H Disc
  • Standard axles: 12×100 / 12×142
  • Other axle options available: 15×100, 15×110, 12×148 (via Custom Build)
  • Spoke options: Sapim Race / Sapim CX-Ray
  • 650B builds available via RHC Custom Build

Full spoke length data available in the RHC Technical Reference.

 

Technical Specifications

Model G40
Wheel Size 700C (650B Custom Build)
Depth 40mm
Internal Width 25mm
External Width 30mm
ERD 564mm
Weight 360g (rim only)
Brake Type Disc
Bead Type Hookless
Tubeless Ready Yes
Recommended Tyre Size 35–50mm
Max Tyre Pressure 75 PSI
Rider Weight Limit 110 kg
Spoke Count 24/24H
Warranty 2 Years
Crash Replacement 5 Years

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