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Who is it for? The Fizik Transiro Infinito R3's features primarily offer comfort, quick slip-on and power excel, which makes it ideal for triathletes who have 0 seconds to spare. It is also recommended for cyclists who are after the following characteristics in their shoe:
- Stiff outsole
- Tuneable fit on the go
- Breathable and excellent drainage
- Quick foot entry
What is it for? This bike shoe is specially designed for triathlon cycling. However, other types of cyclists also use it for the following pursuits:
- Summer road cycling
- Training in warm, dry weather
Race-level stiff. This Fizik bike shoe employs the brand's R3 unidirectional full carbon outsole - the stiffest type of biking outsole. It yields optimal power transfer to prevent wastage of energy.
Breathable. The sole also features wide ventilation pockets for enhanced airflow and breathability than road bike shoes. It also acts as drainage ports when transitioning from swimming to cycling.
Replaceable sole pads. Rubber heel pads are renewable, allowing the wearer to get the ultimate use out of this shoe. It helps in refreshing the grip once it starts to dull out.
The Fizik Transiro Infinito R3 uses the traditional three-bolt road cleat system. Some of the pedals that are suitable for this shoe are Shimano 105 SPD-SL Carbon, Look Keo 2 Max Carbon and Time Xpresso 6.
Markings are also printed to act as guides in precise cleat positioning.
Fast transitions. One of the critical parts of quick transitions in triathlon competitions is the shoe's closure system. The Transiro Infinito R3's retention system consists of a BOA IP1-B dial and a Powerstrap. The strap can be locked in the wide position read for quick foot entry.
A heel loop is also provided for effortless on and off. Once the foot is in, the strap is tightened to secure the foot inside quickly. Then the BOA dial offers tuneable fit adjustments even while on the go.
Airflow and support. The Fizik Trnasiro Infinito R3 is crafted with a mesh upper with laminated PU in targeted areas. The mesh upper allows excellent breathability while the PU keeps the foot in place and works in conjunction with the stiff soles for efficient power transfer.
This cycling shoe employs two technologies to provide an excellent fit: Volume Control and Infinito. The Volume Control system allows a separate and customized for the instep and forefoot sections. These two areas of the foot vary greatly per individual.
The Infinito solely controls the volume in the forefoot area. It helps prevents hot spots by utilizing textile webbing instead of plastic lace guides. It pulls the length of the shoe inwards for a more supportive fit.