""Sure, you can get away with road or MTB shoes for gravel racing," says Pete Stetina, SHIMANO pro gravel racer who assisted in the development of the RX910 shoes. "But to optimize for gravel performance, we need a light and stiff shoe that has a solid contact patch for steady power transfer plus the capability to handle the occasional hike-a-bike or muddy race.""
"To offer that road bike level of performance, the shoes include Shimano's stiffest carbon midsole with a 12/12 stiffness rating. That midsole also uses a seamless construction to reduce stack height, and is mated to a TPU lugged outsole with dual drainage holes for water drainage or ventilation for hot days. The surround wrapping upper is combined with dual BOA Li2 dials for micro-adjustability and an anti-twist stabilizer heel cup for a locked-in feel."
"Inside, the shoes offer an S-Phyre insole with two arch support heights and Silvadur treatment to prevent funk. Outside of the construction of the shoe itself, the biggest change for the RX910 is the new Pontoon Cleat System. Think of this as contact tread blocks that actually move with your cleat. Many shoes have had tread blocks that were supposed to provide support to the pedal and increase the shoe-to-pedal con"
Shimano RX910 gravel race shoes aim to deliver road-level power transfer with off-road durability and long-distance comfort. The shoes feature Shimano's stiffest carbon midsole with a 12/12 stiffness rating and seamless construction to reduce stack height. A TPU lugged outsole includes dual drainage holes for water evacuation and ventilation. The surround wrapping upper pairs dual BOA Li2 dials for micro-adjustability with an anti-twist stabilizer heel cup for a locked-in fit. An S-Phyre insole offers two arch support heights and Silvadur odor protection. The Pontoon Cleat System uses moving contact tread blocks to improve shoe-to-pedal engagement.
Read at Bikerumor
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