This Birdhouse Skateboard deck is constructed with 7-Ply North American Maple and measures 8.7" x 32" with a 14.5" wheelbase and mellow concave. Durable, high performance truck for all types of skateboarding. 356 T6 Aluminum hanger and baseplate, solid Chromoly steel axle, grade 8 kingpin, Indy cushions with cylinder bottom. Featuring superior turn and stability, better grind clearance, improved no hang-up yoke for grind tricks, and less wheel bite. They last longer and are stronger on impact than any other truck on the market. 55mm ride height. Standard 4-Hole Baseplate. 149s measure 8.5" from axle tip-to-tip. Recommended deck size 8.25" - 8.75". Includes 2 Trucks. These Bones wheels feature the V5 Sidecut shape, poured with the original 100A formula. These Wheels Measure 55mm x 32mm.