bell helmet earphones QSPORTPEAK Motorcycle Bluetooth Intercom Headset Communication Systems Kit, M2 Full Duplex 6 Riders Group Helmet Intercom/FM Radio/Voice Prompt/MP3/GPS Connective/Range 1000m/IP67 Waterproof : Electronics Bluetooth Audio Priority How to Put Headphones in

InSite is designed to alert coaches and sideline staff when significant single and multiple impacts (within a seven day period) take place during a game or practice, and offers a unique vantage point inside the helmet at the time of contact to enable improved identification and management of concussion

I Really like it

Never having used one before I am not sure

If youre facing a multi-puncture day or heading a little further afield, especially given the trend within the sport to ultra-endurance events like the Trans-Continental, GB Divide or Unbound XL, "two or three tyres" might not be enough

It weighs over 8 lbs