These Black Thunder Trucks trucks have a 5.75" hanger and a 8.5" axle. Thunder Trucks skateboard trucks are known for being some of the most reliable trucks on the market, and won't let you down. Thunder Trucks 149mm Sonora Team Black Skateboard Trucks - 5.75" Hanger 8.5" Axle guarantees a stellar ride, provided you're a stellar rider. NOTE: Sold only as a set of two (2) trucks. Includes: One (1) set of two (2) Black Thunder Trucks 149mm Sonora Team Black Skateboard Trucks - 5.75" Hanger 8.5" Axle.