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Wheels DUKE Core GR30 / Sram XDR
1,335 g. Core GR 30 / 30 is our versatile Core carbon gravel wheelset.
It offers a simple and dependable entry into hand-built DUKE carbon, with a setup focused on stability and comfort across mixed terrain.
This Ready to Ride build features DUKE Core hubs, a differentiated SAPIM CX-Ray front / CX-Sprint rear spoke setup and a SRAM XDR freehub body (also available with Shimano HG11).
Key technologies & features:
- 26 mm internal width, suited to modern gravel tyres
- 30 mm rim depth
- Broad intended tyre range, with an optimal section from around 38 mm
- Core carbon construction: focused on reliability and accessibility
- 1.5 mm offset
- Hooked / Tubeless Ready
- 700C, disc brake
Result:
An accessible, stable and confidence-inspiring carbon gravel wheelset, with the hand-built quality expected from DUKE.
- CONFIGURATEUR
- SPECIFICATIONS
- TECHNOLOGIE
- SERVICE
CONFIGURATEUR
I want to receive my wheels :
With :
Front wheel
Back wheel
Product customization
Don't forget to save your customization to be able to add to cart
Fast delivery and careful
International delivery
Delivery by Chronopost
Secure payment
SPECIFICATIONS
Supplier info
STOCK-GR30-CORECLSP-XDR
All Duke by JPRACINGBIKE1 wheels are assembled by hand in Vendée, France.
Crash replacement
We offer a crash replacement programme for carbon wheels. In case of accidents or heavy falls, violent shocks can damage your rim and make it impossible to use. With our Crash Replacement offer we offer you a service that allows you to replace your rim under special conditions: You get a 50 percent discount on the price of UD carbon & 3k Carbon rim, as well as the parts and the disassembly/reassembly. This offer is valid (for life) for an unlimited period of time for DUKE carbon rims and is transferable in the event of sale of the wheels to a third party.
Sapim Spokes
Sapim is THE go-to spoke brand, manufactured in Belgium since 1918. Several spoke models are available, depending on compatibility with your riding style and chosen rim:- Sapim CX-Ray: flat spoke, very light, durable, aerodynamic, and offers a very dynamic ride feel (309g / 64 pcs / 292mm)
- Sapim CX-Sprint: flat spoke similar to the CX-Ray but thicker for even more stiffness (373g / 64 pcs / 292mm)
- Sapim D-Light: round spoke, light and durable, with a central section diameter of 1.65mm, good value for money (344g / 64 pcs / 292mm)
- Sapim Race: round spoke, strong and stiff with a central section diameter of 1.8mm (408g / 64 pcs / 292mm)
Nipples
Aluminum nipples with locking thread, available in 16 colors: black, red, silver, metallic grey, blue, aqua blue, gold, light gold, dark green, mint syrup green, lime green, lilac, pink, fuchsia pink, orange, and oil slick.
Accessories
The wheels are delivered fully assembled with valves and rim tape installed, four spare spokes and nipples, and an assembly certificate.
TECHNOLOGIE
Technology
-
Hooked
Hooked
Hooked rim design
- Optimized for road and gravel tire pressures
- Ensures secure bead retention
- Wider internal width offers aerodynamic benefits -
Width
Optimized Internal Width
Maximizes tire volume and performance
- Enables lower pressures without sacrificing rolling efficiency
- Controls tire deformation for greater stability
- Improves control and comfort on all terrains -
Offset
OFFSET
Asymmetrical spoke lacing
- Balances spoke tension on both sides
- Improves lateral stiffness, stability, and long-term durability
- No added weight -
AntiBurp
AntiBurp
Anti-burp and anti-debeading system
- Specially designed inner rim hooks lock the tire beads securely
- Eliminates air loss under heavy cornering or compression
- Prevents tire debeading, even in the event of a puncture -
Tubeless Ready
Tubeless Ready
Tubeless-compatible rim design
- Compatible with UST and Tubeless Ready standards
- Also compatible with tube-type (clincher) setups
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