Marco Tagliaferri tries the FIZIK Terra Powerstrap X4, the perfect model for Gravel: stiff but not too much.
OFFICIAL SITE ➡ https://www.fizik.com/eu_en/terra-powerstrap-x4.html
Video featured in episode # 50 of 'PULITI dentro BIKER fuori": https://365mountainbike.it/puliti-dentro-biker-fuori/50-il-lavoro-perfetto-non-aspetta/