Vintage Trek Carbon ZX Series Purple/Black Frame Road Bike - 2100 Aluminum Alloy. Condition is "Used". I just had this 8 speed bike serviced (see receipt). I purchased this bike in the 19loved riding this very lightweight bike and hope you do too! No delivery options - Pick-up only. Measured from top of wheel to bottom, 26" and circumference/around the outer edge of tire 212 cm.