These Raw / Dark Grey Thunder trucks have a 5.5" hanger and a 8.25" axle. Thunder skateboard trucks are known for being some of the most reliable trucks on the market, and won't let you down. Thunder Trucks 148 Team Hollow Raw / Dark Grey Skateboard Trucks - 5.5" Hanger 8.25" Axle guarantees a stellar ride, provided you're a stellar rider.