Shimano Dura Ace FC-7800 Retro 10-speed Road Bike Double Crankset. In immaculate condition other than a few very light scratches on both arms below the Dura Ace logo and light marks at the pedal ends. Rings are 53-39 and in great order. Arms are 172.5mm long. You’ll struggle to find better. If you are thinking of a bike fit, why not contact me using the details shown on the last photo. I’m offering a 10% discount on bike fits booked in December. Winter is the perfect time for a bike fit to get you prepared for longer and more joyous rides and races of spring and summer.