Schwinn Super Sport GS Adult Flat-Bar Road Bike N'Litened aluminum silver Label frame with Silver label aluminum fork Bio Tuned Erogonomic saddle with integrated Globe suspension 24-speed SRAM SX4 equipped drive train and SX-4 Trigger shifters Tektro forged linear pull brakes and brake levers Jalco double wall alloy rims with quick release alloy hubs and stainless steel spokes