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A pair of brand-new display wheels in very good condition that have never been driven on, with a few minor scratches, revised and guaranteed 2 years
The Baron RR40 are carbon rims designed for road leisure and competition use. Versatile on all types of road, their internal width is 22mm for a height of 40mm. For competitors or cyclosportifs looking for performance. The RR40 offers excellent value for money.
Product customization
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Technology

Hooked rim design
- Optimized for road and gravel tire pressures
- Ensures secure bead retention
- Wider internal width offers aerodynamic benefits

Asymmetrical spoke lacing
- Balances spoke tension on both sides
- Improves lateral stiffness, stability, and long-term durability
- No added weight

Tubeless-compatible rim design
- Compatible with UST and Tubeless Ready standards
- Also compatible with tube-type (clincher) setups
All Duke by JPRACINGBIKE1 wheels are assembled by hand in Vendée, France.