Pro-Tec Low Pro Certified Helmet Brakes They simply pop on to

They simply pop on to the cones & provide protection for your hub while making sure your grinds aren't slowed down

Steerer Tube Length: 164mm

14mm male axle

More Durable than Plastic & Alum

& a patented welding process & a patented valve design

Pro-Tec Low Pro Certified Helmet Brakes They simply pop on toBreakthrough technology that delivers the deepest fit w unlimited customization for supreme comfort & security. It starts w our most advanced slimmest profile shell design, wrapped w newly designed luxurious liners to hug your head like youve never experienced before. The LOW PRO is a true helmet revelation & its fully certified for: U. S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 & Older. ASTM F1447 Standard Specification for Helmets