Spoke Stories: Exciting New Composite Spoke Tech from Partington, Sapim, and Gulo
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Spoke Stories: Exciting New Composite Spoke Tech from Partington, Sapim, and Gulo
"The RC-1 is made with technology from Applied Fiber, which makes products for everything from offshore mooring, mining, humanoid tendons, and seemingly every military, aerospace, and defense contractor in the United States."
"At 1.9g for a 260mm spoke, it's 3g lighter than a CX-Ray steel spoke, and 1g lighter than their CX-Carbon spoke. It will also add vertical compliance to the finished wheel."
"Sapim is apparently bringing in the machinery to build these in-house in Belgium as we speak, and it sounds like it will be OEM only for the time being."
"Judging by the interest from other wheel brands, we might be seeing these in wheels before you know it."
The 2026 Sea Otter Classic showcased significant advancements in composite spokes, with multiple brands introducing new technologies. Notably, Sapim entered the composite spoke market with the RC-1, which utilizes technology from Applied Fiber. The RC-1 spoke is lighter than traditional steel options and offers vertical compliance. Sapim plans to manufacture these spokes in-house in Belgium, initially for OEM use. Additionally, Sapim USA will provide custom-cut barrel steel spokes for 32" wheels, expanding their product offerings.
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