BBR Super-strong stainless steel spokes are a must have for the adults (and fast kids). For use with aluminum 12" rims. For use with stock front or rear hubs along with BBR billet rear disc brake hub to build 12" wheel assembly. BBR heavy duty stainless spoke sets are a key component for building strong and durable wheel sets. Large diameter stainless steel spokes and nipples Helps eliminate broken spokes and hubs Each kit contains enough spokes for 1 wheel build BBR spoke wrench included. Requires drilling spoke holes of stock hub for installation. Use 3/16" (0.18750") drill size. Drill not included.