Schwinn Homegrown Model Identifier › Forums › General Stuff › Homegrown Talk › WTF › Carbon Sweetspots were made by Topkey. April 24, 2011 at 2:40 pm #3151 johnKeymaster In Taiwan. The Project Underground thermoplastic frames were also made by Topkey. Easton rear triangles for the Bangers were made by Easton in Mexico. Later Topkey made these as well.
