Aventor Helmet Maximum Head Circumference:61 thanks to the spine mount

thanks to the spine mount and lock ring design

3" mountain bike tire to 30 PSI

The DH-1 Dummy Hub slides into the rear dropouts of a bicycle frame and replaces the rear wheel

ensuring proper support of the ischial bones and preventing any problems

Aventor Helmet Maximum Head Circumference:61 thanks to the spine mountThe combination of innovative design, the latest technology, outstanding functionality, maximum ventilation and a low weight make the Aventor a real allrounder. The Aventor is the perfect helmet for cyclists who need a cool head for riding in high temperatures and on challenging stages. Double shell, In Mold construction for durable fusion of the outer shell and the shock absorbing helmet material (EPS) Lower edge protection provides the helmet with