Fizik Transiro R4 Powerstrap Black/White Variant:Fizik Shoes Transiro R4 Powerstrap Black/White 41 SLT07 perfectly mimics the ratio

SLT07 perfectly mimics the ratio of electrolytes in sweat with added sodium for endurance sports

Dynamic All round lube will ensure that your drivetrain runs smoothly throughout the year with its ultradurable all-weather formula

11-46T cassette

reliable everyday protection

What about non-GMO

Fizik Transiro R4 Powerstrap Black/White Variant:Fizik Shoes Transiro R4 Powerstrap Black/White 41 SLT07 perfectly mimics the ratioA comfortable triathlon cycling shoe with a fast and intuitive Velcro Powerstrap closure system, a mesh and microtex upper for superior ventilation, and an R4 carbon outsole for efficient power transfer. POWERSTRAP Powerstrap is extremely quick to fasten: simply slide into the shoe, pull and roll out from the transition smoothly. The strap is designed to pull an extended area of the shoes upper, so the fit is enveloping and secure, even with a