The air underneath the tread patch

Materials / construction: All we know is it's nickel plated

What's in the box: No bells and whistles here

Race Face Cinch Cranks have a 30mm spindle

100 Percent Aircraft 2 Full Face Helmet netsuite-webdata-created The air underneath the treadThe evolution continues at 100 Percent, with the ongoing development and advancement of helmet technology. Created with world class performance in mind, their proprietary Smartshock Technology works in conjunction with the Patent Pending injection moulded chin bar and Multi Density EPS foam to keep you safe and extend performance all day long. Carbon Fiber Shell Patent pending Chin Bar integration Injection moulded Smartshock Rotational Protective