Mountain Bike Helmet ST 500 size-g-3-n-25017-b-1592 It acts as a shock

It acts as a shock absorber and helps with stabilisation

Lying on it

5 kg dumbbells to perfect each movement

CHOOSING A LEARNER BIKE

Assembled product dimensions

Mountain Bike Helmet ST 500 size-g-3-n-25017-b-1592 It acts as a shockDesigned 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.