Gt aggressor pro with maxxis high roller 2 tires on both front and rear, diamondback seat, ergon grips, carbon spacers, wake stem, whole new 1 x 8 drivetrain with a 46t cassette in rear, new derailleur with a clutch, and a brand new cane creek headset. I have put about $400 into this bike and bought it for about $600 Shipped with USPS Ground Advantage.