Specialized S works Tarmac 54 2013 SL4 Rim Brake, quick release. In excellent condition, normal use, no heel rub. Ive had it since 2015 and It wasnt ridden that much, I ride mtb in the winter and usually ride a dedicated trainer bike in the summer heat- this bike has never been on a trainer. I put in pull strings when I removed the di2 wires. Needs a set of bb30 bearings -40 from your local shop. Uses a 27.2 seatpost. Im parting it because I need to keep a few things for my next build. Condition is "Used".