Favero expands power meter offering with the Assioma Duo-Shi pedals

Favero Assioma Duo-Shi power meter pedals

(Image credit: Aaron Borrill)

When it comes to the best power meters, Favero's Assioma Uno and Duo pedals are considered one of the most accurate options in the segment. We tested the standard Favero Assioma Duo power pedals back in April last year and awarded them five stars for their lightweight appeal, competitive pricing and accuracy. In fact, the only bugbear centered around the dearth of a Shimano-specific option - something which has limited their appeal to a certain extent. In an about-turn, the Italian company has today launched the new Assioma Duo-Shi: a cartridge that screws into your existing Shimano SPD-SL pedal system.

Installation is easy requiring you to merely unscrew the stock pedal spindle and replace it with the Assioma Duo-Shi cartridge. The Duo-Shi cartridges are compatible with the Shimano PD-R8000, PD-R7000, PD-6800, PD-R550 and PD-R540 pedal bodies - a brilliant move given current COVID-19-related cycling stock shortages.

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Despite sharing much of its design blueprint with the standard Favero Assioma Duo pedals, the cartridges are not cross-compatible. In fact, there are some notable disparities between the two models including the software (the Assioma Duo-Shi sensor has undergone a different factory calibration), the spindle/cartridge length and Q-factor. Speaking of which, the Q-factor (the distance between the outside of one crank arm to the outside of the opposite crank arm) has increased by 11mm and there's an added oil retainer glued to the axle.

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Josh hails from the Pacific Northwest of the United States but would prefer riding through the desert than the rain. He will happily talk for hours about the minutiae of cycling tech but also has an understanding that most people just want things to work. He is a road cyclist at heart and doesn't care much if those roads are paved, dirt, or digital. Although he rarely races, if you ask him to ride from sunrise to sunset the answer will be yes. Height: 5'9" Weight: 140 lb. Rides: Salsa Warbird, Cannondale CAAD9, Enve Melee, Look 795 Blade RS, Priority Continuum Onyx