You're looking at an auction for:
Derailleur back rear Ultegra RD-6870 11 speed Di2 11spd NOS NEW = retail boxed
Condition etc as per pictures
Contact us if you have any questions - always happy to help :-)
If you want to buy several items that's awesome; we'll give you the best postage price possible. Buy up big then we'll send you a combined invoice with a great discount