Shimano S-Phyre RX910 black

Shimano S-Phyre RX910 black gravel cycling shoes

The Shimano S-Phyre RX9 - black are gravel racing shoes developed for competitive riding, where speed, stability, and pedaling efficiency are crucial. Part of the S-PHYRE range, they are designed to meet the demands of gravel racers tackling varied and challenging terrain, while maintaining a high level of comfort and durability over long distances.

Positioned at the top of Shimano 's gravel racing range, the RX910 incorporates advanced technologies derived from the S-PHYRE road shoes. They combine a very stiff carbon composite midsole, the SPD-specific Pontoon cleat system, and a wraparound upper optimized for support, stability, and power transfer.

Shimano stiffness index: 12 out of 12.

Construction and design

General structure

• Gravel racing shoes designed for competition-oriented OFF ROAD use.
• Seamless integration of the midsole and upper.
• Designed to reduce weight without compromising comfort, durability, or performance.

Upper

• Wrap-around upper with specific zones dedicated to each function.
• Microfiber synthetic leather material.
• Precise adjustment promoting stability and even pressure distribution.

Heel cup

• External heel cup.
• Anti-torsion stabilization system.
• Optimal foot positioning while pedaling.

Sole and power transfer

Midsole

• Lightweight carbon fiber composite midsole.
• Professional-level rigidity equivalent to S-PHYRE road shoes.
• Shimano stiffness index: 12.

sole height

• Low-profile midsole.
• Increased foot stabilization.
• Optimizing power transfer between the shoe and the pedal.

Outsole

• TPU outsole.
• Specifically designed for gravel racing.
• High abrasion resistance.
• Enhanced stability during pedaling and walking.

Wedge system and compatibility

SPD shim system

• SPD compatibility with Pontoon system.
• Fast and efficient pedaling performance.
• Design promoting a stable connection between the pedal and the shoe.

Pontoon System

• Modular contact blocks increasing the contact area with the pedal.
• Improved stability regardless of the SPD shim position.
• Adjustable system according to preferred shim positioning.
• Replaceable Pontoon contact blocks.

Pedal compatibility

• Compatible with all SPD pedals.
• Recommended pedal: Shimano PD-M9200.
• Also compatible with Shimano DEORE XT PD-M8100.

Tightening and adjustment

Locking system

• BOA® Fit System with low profile.
• BOA® Li2 double disc.
• Precise and consistent micro-adjustments.

Adjustment and stability

• Seamless integration of the upper and midsole.
• Uniform foot support.
• Enhanced stability during periods of intense pedaling.

Integrated technologies

SHIMANO DYNALAST

• Anatomically optimized shape to improve the foot-pedal connection.
• Moderate toe elevation curve.
• Reduction of tension in the foot.
• Improved comfort and efficiency over long distances.

SPD

• Pedal and cleat system designed for use on and off the bike.
• Easy engagement and disengagement.
• Stable pedal-shoe platform for efficient power transfer.
• Good mud drainage.
• Increased walking stability thanks to the recessed wedges.

Technical specifications

Product information

• Model: SH-RX910.
• Series: S-PHYRE.
• Model year: 2025.
• Alignment year: 2025.
• Sex: Male.
• Segment: OFF ROAD / Gravel Racing.

Compatibility and design

• Shape type: SHIMANO DYNALAST.
• Cleat type: SPD with Pontoon system.
• Midsole: carbon fiber composite.
• Outsole: TPU.
• Insole: Cushion cup insole with adaptable arch pads.

Weight

• 304 g in size 43.

Available colors

• Black.
• White.
• Blue.
• Deep ocean.

Available sizes

• 36, 37.
• 38, 38 large, 38.5.
• 39, 39 large, 39.5 large.
• 40, 40 large.
• 41, 41 large.
• 42, 42 large.
• 43, 43 large.
• 44, 44 large.
• 45, 45 wide.
• 46, 46 large.
• 47, 47 large.
• 48.