Enduro Click SRS Sole. The Sidi Enduro Click SRS Sole is designed for ultimate traction and performance in tough off-road conditions, compatible with Crossfire 3 SRS and Atojo SRS boots. Featuring an aggressive tread pattern, this sole ensures superior grip on rugged terrain while maintaining the comfort and control riders expect from their Sidi boots. The click-on system allows for easy replacement, extending the life of your boots without sacrificing performance. Designed for Crossfire 3 SRS and Atojo SRS models. Heavy-duty lugs for superior grip in challenging environments. Click system allows for fast and easy replacement. Sold as a set.