Keep safe and look great with genuine replacement parts for your Bontrager helmet.

– Original equipment replacement BOA Fit System for your Bontrager helmet
– Compatible with BOA-equipped Bontrager helmets, except Velocis Mips and WaveCel
– Upgrade your Headmaster-equipped Bontrager helmet to the BOA Fit System
– Full-length fit system designed for use with medium and large sized helmets
– Short length fit system designed to optimize the fit of small sized helmets