Brand new in box - Dura-Ace chainsets normally retail for approx £550
172.5mm cranks - 50 / 34 chainrings (outer is marked 11 speed, inner compatible with 11 / 12 speed)
This is the warranty replacement item for 9000 / R9100 11 speed chainsets
Great way of upgrading your existing 11 speed setup and updating to the look of the current 12 speed groupset
Item will be well packaged and promptly dispatched via a tracked and insured service