Specialized Propero 4 Helmet Cycling > Bikes SUPERNATURAL AMPLIFICATION: The all-new TURBO

SUPERNATURAL AMPLIFICATION: The all-new TURBO SL 1

2 Tire Clearance

interacts perfectly with the BOA® Fit System to improve sensitivity and control

Whether you're tearing through tight trees and need to be able to manoeuvre quickly when doing so

At a slightly more approachable construction and waist width than the 99Ti W

Specialized Propero 4 Helmet Cycling > Bikes SUPERNATURAL AMPLIFICATION: The all-new TURBOMeet the all new Propero 4 helmetit brings the aero advantages of the S Works Evade 3 together with the ventilation of S Works Prevail 3, all with the comfort and confidence Specialized helmets are famous for, earning the highest 5 Star Virginia Tech helmet rating. Every detail of the Propero 4 was created with our equation for speed in mind. Aerodynamics + Ventilation + Lightweight = Fast. AERODYNAMICS: With extensive testing in CFD and in our Win