DUKE / Duke Wheels
Duke Core GR30 carbon gravel wheelset, a ready-to-ride build with Duke Core hubs and a Shimano HG11 freehub body (also available with SRAM XDR). According to Duke it is the simple, dependable entry into hand-built Duke carbon wheels, focused on stability and comfort on mixed terrain. According to JP Racing, all Duke wheels are assembled by hand in Vendée, France. Suited as a first carbon gravel wheelset, for bikepacking or as a second training set.
| Wheel size / brake | 700C, disc |
|---|---|
| Rim | Duke Core GR30, carbon |
| Rim depth | 30 mm |
| Internal width | 26 mm |
| External width (rim page) | 32 mm |
| Offset | 1.5 mm |
| Rim type | Hooked / Tubeless Ready; UST and inner-tube compatible |
| Tyre width | Optimal from around 38 mm |
| Tyre section range (rim page) | 34MM 1,35" / 61MM 2,40" |
| Spoke holes (rim page) | 24 |
| Max system weight (rim page) | 135 kg |
| Hubs | Duke Core |
| Spokes | Sapim CX-Ray front / CX-Sprint rear |
| Freehub body | Shimano HG11 (also SRAM XDR) |
| Nipples | Aluminium with locking thread |
| Weight | 1374 g +/- 30 g |
| Warranty | 2-year legal on builds and components; 3-year commercial on Duke carbon rims |
| Crash replacement | 50 percent discount on the rim price (UD or 3k carbon), plus parts and disassembly/reassembly; valid for life, also after resale |
| Build | Assembled by hand in Vendée, France (per JP Racing) |
Manufacturer information: jpracingbike1.com ↗ · checked 2026-10-13. What the manufacturer does not state, we leave out and confirm personally.
Ask BVR Cycling directly. Feel free to include your frame model, drivetrain and current wheels.