Sidi's Ergo 3 Vent Carbon Road Speedplay is one smooth operator. With all the features a cyclist is looking for, this is most likely going to be the last pair of road shoes you ever buy. With technology like the new SP Carbon Sole, Soft Instep 2, Tecno-II system, caliper buckle, high security velcro and an adjustable heel retention device come race day there wont be any confusion what you are there to do, so win big!
The Ergo 3 Vent Carbon Speedplay Sole features a 4-hole drilling pattern and a printed 10 mm lateral and fore/aft cleat alignment scale
New Vent Carbon Sole is the same incredible stiffness as SIDI's world-beating Carbon Lite Sole, 38 grams lighter, with vents that can be opened and closed for 4-season comfort
Soft Instep 2 is a anatomical and comfortable strap, placed on the top of the foot and coupled with a soft and thermo-formed material for increased comfort and performance
Patented Techno II Buckle uses monofilament line and a fine-tooth ratchet for smooth adjustment and even pressure distribution
Caliper Buckle two-way ratchet for easy, incremental tightening and loosening
High security Velcro straps with integrated locking polymer teeth , that engage onto each other when the strap is closed. This feature makes the closure more secure and the strap becomes unmovable
Redesigned Adjustable Heel Retention Device: The best heel closure available gets better, with a wider design, ventilated lower cut, and softer, more compliant material for improved comfort and efficiency
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