



Box One Rear Derailleur Jockey Wheels Kit
SKUBX-DR160RRJW-G1
Replacement jockey wheels for box one and an upgrade for box two rear derailleur. Compatible with both box one and box two 11 speed and prime 9 rear derailleurs.

Works as described
Would love to see this product made in a much stronger material than plastic. Most others that I have seen are made of metal which is much less likely to break. Just seems like too cheap of a design for not much return.