Sigma-II Compact Aerodynamic Cycling Helmet parts_upgrade Thanks to its wide contact

Thanks to its wide contact area

V-PRi model 2024 and newer

Compatible Models: V-PRi

Designed for bright light conditions

Includes drink valve and stabilizer sheath

Sigma-II Compact Aerodynamic Cycling Helmet parts_upgrade Thanks to its wide contactExperience unparalleled performance with our new compact and lightweight cycling helmet!. The Sigma II features a revolutionary magnetic lens attachment system, enabling quick and effortless attachment and removal of a wrap around eye shield. This innovative design allows for easy storage of the lens in the "flipped up" position, making it ideal for fast transitions in triathlons.. Hidden magnetic receivers on the helmet are fully compatible with SKY