Subrosa Sono BMX Bike 2019With a goal to get more kids on bikes Subrosa have expanded their entry level range by adding a new model. The Sono comes in at a price point that wont break your budget, but is still built with quality materials, great geometry, and components from some of the biggest names in BMX ###section### Product Specs FRAME MATERIAL: Hi Ten Steel WHEEL SIZE: 20" TOP TUBE LENGTH: 20. 5" CHAIN STAY LENGTH: 13. 5" HEADTUBE ANGLE: 75 SEAT TUBE ANGLE: 71 FORKS: