Introducing the Rene Herse Nivex Derailleur

Following four years of research and development, Rene Herse Cycles just unveiled the intriguing new Nivex rear derailleur. Unlike most mechanical derailleurs on the market today, it uses separate cables for shifting up and down, eliminating the need for a return spring, and making for what they claim are faster, more direct shifts and a lighter action.

Also uniquely, the Rene Herse Nivex Derailleur is mounted in a tucked position under the chainstay, rather than at the dropout, which is intended to help protect it from damage when the bike tips over or comes into contact with big rocks. It’s compatible with 6- to 12-speed cassettes, has a 35-tooth capacity and 30-tooth max rear cog size, and weighs in at 176 grams. It’s worth noting that the Nivex requires a special braze-on under the chainstay and can’t be mounted on standard derailleur hangers.

As for the why of this newest Rene Herse product, they write, “It’s about the riding experience. Modern derailleurs are digital: You push a button, and they shift. Many work very well, but we love analog experiences: We enjoy a direct connection from lever to derailleur, to feel the chain mesh with the cog.”

Built in small batches, the new Nivex is priced at $729 and is in stock now. It’s fully rebuildable, and spare parts and accessories are available, including cables, springs, and mounts. Rene Herse also sells the matching shifter ($249) in corresponding configurations for index shifting or pure friction shifting.

You can learn more by visiting ReneHerseCycles.com.

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