5-11" / 24-28cm

53mm sizing

PU cast custom pivot cup

which means these axles can take the most damage with the least amount of weight

Triple Eight Dual Certified EPS Helmet All Black SIZE_60-62cm (X-Large) 5-11" / 24-28cm337000 422. ABS Outer Shell With EPS Liner Sweatsaver Fit Pads Dual Certified: Complies with CE EN1078, U. S. CPSC Bike and ASTM Skate Safety Standards Ideal for Biking, Skateboarding, In line Skating Rollerblading & Scooters Includes 2 Sets of Fit Pads to Customize Fit Sizing: To ensure a perfect fit, measure the circumference of your head starting in the middle of your forehead and match it with the sizes below: XS S: 48 54cm (18. 9" 21. 3") S M: 55