Technology
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SLS4 (Super light series 4)
SLS4 (Super Light Series 4)
An exclusive manufacturing process combining an optimized carbon fiber lay-up with aerospace-grade resin
- 10% lighter than the previous SLS3 generation
- More controlled vertical compliance for enhanced ride dynamics
- Better vibration filtering for improved comfort and control
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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
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Offset
OFFSET
Asymmetrical spoke lacing
- Balances spoke tension on both sides
- Improves lateral stiffness, stability, and long-term durability
- No added weight
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6Ters
6TERS
Differentiated internal rim widths for the front and rear wheels
- Wider front rim increases grip, handling, and control
- Narrower rear rim for better strength, stability, and efficiency
- Developed in partnership with leading XC race teams
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Hookless
HOOKLESS
Hookless rim design
- Lighter than traditional hooked rims
- Increases the tire’s internal air volume, boosting comfort and grip at lower pressures
- Proven DUKE technology since 2011
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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
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Tubeless Ready
Tubeless Ready
Tubeless-compatible rim design
- Compatible with UST and Tubeless Ready standards
- Also compatible with tube-type (clincher) setups
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.
All Duke by JPRACINGBIKE1 wheels are assembled by hand in Vendée, France.
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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.
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Supplier info
OCCASION-RMP0040/41-LJHDSLS4-350ISSP
