* The colors of the products displayed in photos may vary from one screen to another depending on their calibration.
Wheel(s) DUKE SIERRA 27 / BARON CL SP BERD
From 1029 g* to go the distance. Sierra 27 is our Elite carbon gravel wheelset for long rides, elevation gain and terrain that demands both precision and endurance.
It combines a 27 mm profile, 29 mm internal width and controlled vertical stiffness to filter vibrations, preserve grip and maintain high efficiency when the surface gets rough.
Key processes & technologies:
- 29 mm internal width optimised for modern gravel tyres**
- SLR5: advanced lay-up of Toray T1100 carbon fibres and aerospace-grade resin
- SpokeCore: moulded spoke holes (24h) for a more homogeneous structure
- VFP: clearcoat-free finish, more durable and more environmentally friendly
- DRC: vibration filtering for increased comfort and precision
- AntiPinch: anti-pinch rim beads to help prevent tyre cuts on impacts
- Offset: asymmetric lacing for more balanced spoke tension and improved lateral stiffness and reliability
- Hooked / Tubeless Ready: optimum safety and compatibility with modern tyres
Result:
A lightweight, comfortable and confidence-inspiring Elite gravel wheelset, made to ride long, hold grip and stay efficient across changing terrain.
* Weight +/- 30 g for a wheelset built with NonPlus CL SP hubs and Sapim CX-Ray spokes.
** Optimal tyre width: 40 mm <> 2.2". Compatible width: 36 mm <> 2.4".
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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.
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.
Brand
BARON
