TSG - Seek Helmet color_lime TRI has barometric altitude measurements

TRI has barometric altitude measurements and pulse heart rate monitoring

and a Speed Transmitter w/ battery

yet comfortable fit

and other adventurous rides

TSG - Seek Helmet color_lime TRI has barometric altitude measurementsHIGHLIGHTS ULTIMATE IMPACT RESISTANCE & SHOCK ABSORPTION TSG Seek offers the most reliable protection for thrill seeking adventure bikers. Hardshell construction combines strength and durability for optimum protection from impact forces. The combination of tough ABS hardshell and shock absorbing EPS foam liner guarantees stability, comfort, and protection. High performance EPS foam padding cushions your head by dispersing all impact forces before