||16 May 2017
||Rear Derailleur Parts
Fourier newly launch in 2016. 15/15t
This enlarge pulley can "free speed upgrade" and will increase 1-3 km/h once installed.
A direct plug and play to Shimano ultegra 6870 11 spd, dura ace 9000 & 9070.
Reason to sell: mine is ultegra 10spd
Interested pls watzapp me at 0176888707
Be careful of deals that look too good to be true. Do not send money to unknown sellers.