Schwinn Homegrown Model Identifier › Forums › 2000 Homegrown with disc brakes. › Thanks! March 4, 2010 at 9:52 pm #2578 mobyMember I managed to squeeze in an XTR caliper with an 8″ rotor. The A2Z adapter made everything plug and play. I just got a handful of hydraulic guides in the mail so I’ll be doing something with it, hopefully this weekend.