Proto Full Knuckle SCS V2 scooter complete street Thanks to a new heat

Thanks to a new heat treatment and a better design

If you're a rider looking to enhance a lighter stunt scooter build with a head-turning

and it's quality

Limited 90-day warranty against chunking and de-hubbing

Purposefully designed for maximum strength whilst light in weight at just 215grams/7

Proto Full Knuckle SCS V2 scooter complete street Thanks to a new heatThe PROTO Full Knuckle SCS is the original and first Standard Compression System. It fundamentally changed the way a freestyle scooter was built and effectively revolutionized the freestyle scooter after market parts industry. The Full Knuckle SCS is still the strongest and most universally compatible SCS ever created. The Full Knuckle SCS is built to perform and last and carries a lifetime warranty on cracking. Made of High Grade 6061 T6 Aluminum.