Velo-Perso catalogue
Components, brands and technical guides
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List of products by brand Rotor Bike Components
Rotor, founded in Spain in 1994, designs modular cranksets, oval chainrings and power meters manufactured in Madrid from aerospace-grade alloys.
Its Direct-Mount architecture and unique modularity allow a single crankset to evolve over time (Aldhu → Inspider → Aldhu Carbon) without replacing the whole system.
Wide compatibility: 24/30 mm axles, 10/11/12-speed drivetrains, and all major bottom bracket standards (BB86, BSA, ITA, T47, BB386, BBRight).
Full range: aluminium or carbon cranksets, INpower / 2INpower / Inspider 2.0 power meters, round and oval QRings, and chainrings from 46/30 up to 58T.
Choosing Rotor at Velo-Perso means benefiting from 15 years of expertise, real-world testing, personalised advice, and fully custom crankset configurations.
Rotor Bike Components is a world leader in oval chainrings, offering one of the most extensive ranges of chainrings, cranksets and bottom brackets available on the market.
At Velo-Perso.com, you can configure your Rotor crankset and get expert advice to optimise your setup for your riding style and terrain.
Why choose Rotor?
Wide range of cranksets: discover the Aldhu and Vegast models, available with 24 mm or 30 mm axles.
Power meters: enhance your performance with Rotor’s power meter cranksets, including Inspider, Inpower and 2Inpower.
Local manufacturing: Rotor produces its components in Madrid using aerospace-grade aluminium alloys, ensuring stiffness, reliability and fast lead-times for the European market.
Rotor innovations
Direct-mount cranksets Aldhu and Vegast (2017).
Rotor’s Inspider power meter (2019).
The Aldhu Carbon crankset (2021).
Available crank lengths
Adapt your crank length to your riding style with all available Rotor options: 150 mm, 155 mm, 160 mm, 165 mm, 170 mm, 172.5 mm and 175 mm. Ideal for climbers, triathletes or versatile riders looking for an optimised position and efficient pedalling.
Extensive range of chainrings
Round NOQ and oval QRings chainrings:
Compact and mid-compact combinations such as 46/30, 48/32, 50/34, 52/36 and 53/39.
Individual chainrings are also available in 34, 36, 38, 39, 40, 41, 42, 44, 46, 48, 50, 52, 53, 54, 55, 56 and 58 tooth options.
Shimano compatibility:
Designed for Shimano 4-arm 11-speed and 12-speed cranks.
Full range of Rotor cranksets
Explore our complete range of Rotor cranksets:
Aldhu 3D+, Aldhu24, Aldhu Carbon, Vegast, Vegast track, Aldhu track, Inpower direct mount, 2Inpower direct mount.
Optimise your performance with Rotor’s high-quality components, available at Velo-Perso.com. Benefit from our real-world experience, detailed technical support and fast worldwide shipping to choose the perfect setup for your bike.
Customer reviews on Rotor products
“I am thrilled with the modularity of Rotor cranks: in 2018, I first bought a Vegast. In 2020, by only changing the spider, I upgraded it to a Vegast Inspider. Finally, in 2022, I acquired Aldhu Carbon crank arms, and my crankset is now an Aldhu Carbon Inspider — a power meter with carbon crank arms. With other brands, I would have had to buy three different cranksets, one at each stage. Rotor is therefore far more cost-effective, and I am not worried about new developments because I know my crankset can always be updated easily.”
“I have been riding Rotor since 2009. I had a 3D+ and then moved to the Aldhu 3D+. From one generation to the next, the crankset dimensions change very little, making them compatible with 10, 11 and 12-speed drivetrains. The aluminium quality remains excellent year after year, and I adjust my chainring setup according to my fitness level.”
