Casque VTT BELL 4FORTY MIPS Bleu/Gris Size:S The ROLLER BEARING CLUTCH™ technology

The ROLLER BEARING CLUTCH™ technology optimises transmission stability by reducing chain bounce

which promises very effective dispersion of the forces created on impacts at low and high speeds as well as in rotation

It gives you the choice between inflation by cartridge or by pumping

while ensuring good heat dissipation

while offering high-performance aerodynamics

Casque VTT BELL 4FORTY MIPS Bleu/Gris Size:S The ROLLER BEARING CLUTCH™ technologyIdeal for All Mountain rides, the BELL 4Forty Mips helmet features a very protective wraparound shape that covers the back of the head well. Its structure is also ventilated by wide openings ensuring excellent comfort on the move. The 4Forty helmet is built around a highly resistant polycarbonate outer shell, which is fused to the thickness of the absorbing foam using the in mold process, offering a weight saving. To raise its level of protection,