A triathlon bike shoe with a combination of a Powerstrap and Boa® dial for a quick and secure closure. PU laminated mesh upper gives you ventilation and support and a R3 full UD carbon outsole for a direct power transfer.

Transiro Infinito R3 is a triathlon shoe that combines a stiff outsole with a quick foot entry and fine tuneable fit on the go.

The mesh upper is highly breathable yet effectively supportive, thanks to the PU lamination on targeted areas that ensure all power is efficiently transferred to the pedals.

The Volume Control system allows a differentiated fit adjustment for the instep and forefoot areas – the shape and volume of which can vary widely between athletes. The combination of a Powerstrap and a BOA dial is the ideal balance for an Olympic format: first a quick and secure closure, then a fine tuneable adjustment for a precise fit.

Infinito

The volume of the forefoot area can be controlled via the Infinito, a signature fit adjustment feature. Infinito balances out the tensioning and further eliminates pressure hot spots by using textile webbing in place of plastic lace guides. This closure system acts on a larger area of the shoe’s upper, pulling the eyestays inwards consistently from all directions for a more supportive and comfortable fit.

R3 Outsole

The race stiff R3 unidirectional full carbon outsole delivers ultimate power transfer and it has been modified with extra wide ventilation cutouts, boasting even greater breathability than its road counterpart.

To ease transition, the instep Powerstrap can be locked in the wide open position ready for quick and easy foot entry, while the heel is equipped with a rubberized loop to facilitate setting the shoes ready clipped into the pedals, and easily and quickly pulling your feet into them.

Features

PU laminated mesh upper - enhanced ventilation with support where needed
R3 full UD carbon outsole - highly stiff interface ideal for a direct power transfer
Instep Powerstrap - intuitive, quick and secure closure
Infinito - advanced volume control of the forefoot area
Volume Control - independent fit adjustment for instep and forefoot
Boa IP1-B
R3 outsole
– full carbon unidirectional

Specifications

Weight 231g (size 42 - 1/2 pair)
Sizes 36-48 (37 to 47 also in half sizes)


Size Guide

Length (mm) US EU UK
230 36
237 37
240 37.5
243.5 6 38 5
247 38.5
250 39
253.5 7 39.5 6
257 40
260 8 40.5 7
263.5 41
267 41.5
270 9 42 8
273.5 42.5
277 43
280 10¼ 43.5
283.5 10¾ 44
287 11 44.5 10
290 11½ 45 10½
293.5 11¾ 45.5 10¾
297 12¼ 46 11¼
300 12½ 46.5 11½
303.5 13 47 12
310 13¾ 48 12¾

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