PROTO Half-Knuckle V2 Clamp 2 Bolt Apex Headsets were designed to

Apex Headsets were designed to spin fast and give the rider the type of response they want

and pretty much just work as a shield preventing your foot from rubbing or landing on your back wheel

and creative sessions

This variant comes 28

The Stabalite buttresses

PROTO Half-Knuckle V2 Clamp 2 Bolt Apex Headsets were designed toThe PROTO Half Knuckle is and has been one of the most durable clamps on the market since PROTOs inception in 2008. Designed and manufactured in San Diego California by riders for riders! PROTO prides themselves in being on the innovative forefront of freestyle scooter product development and design. The Half Knuckle will work with both standard and oversized bars!