Shimano Rc903pwr Road Shoes. Unleash your sprint with the SHIMANO RC903PWR S-phyre road shoes, built for powerful cyclists seeking every competitive edge. A race-tuned BOA® Li2 closure system and anti-twist heel cup secure your foot for explosive power transfer. The ultra-stiff (12) carbon sole and low stack height midsole ensure maximum efficiency with every pedal stroke. Experience a seamless, glove-like fit for ultimate stability and lightweight performance, all while flashing a dazzling, color-shifting crystal finish on the outsole as you leave the competition behind. Experience exceptional cycling performance with these road cycling shoes. Enjoy a comfortable, secure fit that hugs your foot, offering excellent pedaling efficiency due to the stiff sole. Features include adaptable arch support, though they may not suit wide feet. The combination of boas and straps provides both ease of use and a locked-in feel for enhanced power transfer. S-phyre Racing Shoes Built For Powerful Sprinters Seeking Every Edge.Features:- Race-tuned closure system with a lavish BOA® Li2 metal dial, power boost guide, and toe strap reduce foot movement and enhance power transmission.- Race confidently while you let those behind you admire the dazzling color-shifting crystal finish on the outsole and heel.- Breathable, stretch-resistant upper keeps feet stably in place to improve power transfer.- Heel cup with anti-twist stabilization secures optimal foot positioning for intense acceleration and high tempo cadences.- Midsole-wrapping upper blends with the tongue to form a glove-like fit for remarkable pedaling stability.- Low stack height midsole stabilizes foot and optimizes power transfer efficiency.- Integrated seamless midsole and upper construction set a new level of fit, stability and lightweight performance.Specifications:- Stiffness index: 12- Best match pedal: PD-R9100- Features Wider cleat adjustment range: Yes- Features Seamless midsole structure: Yes- Features Function specific zones: Yes- Features Anti-twist stabilizer heel cup: Yes- Features External heel cup: Yes- Features Replaceable heel pad: Yes- Features Hollow channel: Yes- Features Carbon sole/Mid sole: Yes- Technology SHIMANO DYNALAST: Yes- Technology Silvadur®: Yes- Closure: BOA® Fit System featuring Dial Li2, Powerzone lace guide- Upper Material: Microfiber Synthetic Leather+Mesh- Outsole Material: TPU (cover)- Midsole Material: Carbon fiber composite- Standard insole: High density cup insole with adaptable arch pads- Actual weight: 250gTechnology:Xc & Cyclo-cross Race- Tuned Upper:- Lightweight cross country and cyclo-cross race-tuned upper offers breathable comfort in severe weather and terrain.Heel Cup With Anti-twist Stabilization: - Heel cup with anti-twist stabilization secures optimal foot positioning for intenseacceleration and high-tempo cadences.Robust & Precise Micro- Adjustments: - Dual low-profile BOA® Li2 dials allow precise micro-adjustment, with the shielded BOA® Li2 Type F bottom dial protected against accidental releases from impacts.Sleek, Low-profile Crossover Lacing Pattern:- Sleek, low-profile crossover lacing pattern elegantly secures the forefoot.Lightweight Shimano Ultread® Xc Rubber Outsole Lightweight Shimano:- ULTREAD® XC rubber outsole with a highly technical tread pattern provides exceptional racing grip.Removable Talon-shaped Metal Spikes: - With the included talon-shaped spikes, riders can choose lightweight performance or optimal traction.Low Stack Height Carbon Midsole: - Low stack height midsole stabilizes the foot and optimizes power transfer efficiency. tradeinn Bikeinn