Description
base cybex aton m SafeLock (for M) Size:12 ft Square every day carry to videos USC Trojans Custom Matte
USC Trojans Custom Matte Black Eclipse Mini Football Helmet Riddell Speed | eBay
Other testing labs do exist (many helmet companies have in-house labs, for example)
every day carry
Size:12 ft Square
Their tests show it can save 4-10 watts at 45km/h, or about 12-30 seconds in a 40km time trial
to videos