Mountain Bike Helmet ST 500 MOUNTAINEERING This equipment features a compact

This equipment features a compact design for easy storage

breathable cover protects your outdoor table

and if they are frayed or oxidised

based on customer feedback

Mountain Bike Helmet ST 500 MOUNTAINEERING This equipment features a compactDesigned for bike rides lasting over 2 hours. How do you choose your mountain bike helmet size? To find your helmet size, simply measure your head circumference (around the forehead). This mountain bike helmet is available in three sizes: S: 52 55 cm M : 55 59 cm L: 59 62 cm When should I replace my helmet? We recommend replacing your helmet in 2 cases: 1 After a fall: In the event of a fall, your helmet's material can deteriorate or even break.