"It's been quite a few years since we last saw a Rotor Uno drivetrain update, but thanks to Wheeltop joining as a partial owner of the Spanish manufacturer last year, this new Uno version is electronic andwheel fully wireless. Combining a Rotor-refined update of the Wheeltop components, you get a new wireless derailleur matched to existing Rotor carbon powermeter cranks and their 12-speed cassette - the core of a modern wireless off-road groupset."
"Either way you look at it, this appears to be a slick new alt drivetrain option from the trusted development team at Rotor. New Rotor Uno wireless MTB & gravel groupset with Wheeltop Official details on the new Uno Wireless group are still relatively thin - we're missing important info like real weights, pricing & consumer availability. But we recognize the Wheeltop-style derailleur, and know it is still modular - mix-and-match for gravel or mountain bikes, and even 10-13-speeds."
Wheeltop joined as a partial owner of Rotor, enabling a new electronic, fully wireless Uno drivetrain. A Rotor-refined Wheeltop derailleur pairs with existing Rotor carbon power-meter cranks and a 12-speed cassette to form a modern wireless off-road groupset. The system remains modular, allowing mix-and-match setups for gravel or mountain bikes and supporting 10–13-speed configurations. Refined Wheeltop dropbar levers and brakes provide a gravel-specific option, while third-party brakes can be used for mountain biking. Official details such as component weights, pricing, and consumer availability are not yet provided. Rotor has prior history with 13-speed groups and long-running power-meter crank production.
Read at Bikerumor
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