The Register II Youth takes this to the next level by bringing styling and venting of Giro's highest-end road helmets into this lightweight, in-mold helmet in a Universal Youth size for younger riders.
The Blackburn Trainer and Trailer Adaptor Kit M12 X 1.0mm and M12 x 1.5mm can make your thru axle bike compatible with stationary trainers and trailer receivers or hitches.