Proto

Proto 4″ Full-Knuckle SCS v2 [Oversized]

The 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. Includes Compression Washer and 5 Bolts. For use with Standard or Oversized Bars. 100% made in San Diego, California.

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