Marin Fairfax 3 - High-performance flat-bar fitness and commuter bike - Size M - Aluminum frame, full carbon fork - Hydraulic disc brakes - 18 gears (2x9) - Rear rack, phone holder and lock included For more information: https://bikeshopcalifornia.com/product/marin-fairfax-3/ This is a really great bike, in excellent condition, and you will really enjoy riding it. I think $550 is a fair price, but feel free to make an offer.