Mountain Bike Helmet ST 500 size-g-3-n-25017-b-1592 How to easily fold the

How to easily fold the MT500 Air mattress

It acts as a shock absorber and helps with stabilisation

Perfect for men carrying up to 15 kg

This scale helps estimate users' size

5 kg dumbbells to perfect each movement

Mountain Bike Helmet ST 500 size-g-3-n-25017-b-1592 How to easily fold theDesigned 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.