6583 Las Positas Road Livermore, CA USA 94551 / Info Line: 925.371.5888
The WTT F1 is the premier Sparco helmet. The F1 has a narrow eye port designed for use in open wheel racing. The F1 also includes or 3mm homologated shield with CNC machined aluminum hardware and positive lock down hinge, removable liner for easy cleaning and service, and lightweight adjustable air ducts.
XS 53-54cm, 20 7/8-21 1/4 inches
S 55-56cm, 21 5/8-22 inches
M 57-58cm, 22 1/2-22 7/8 inches
L 59-60cm, 23 1/4-23 5/8 inches
XL 61-62cm, 24-24 1/2 inches