Compatible to AC Line or Electric C Line frame (For P/T Line version are in other listing). Compatible with optional X series Unibody Cog Set on stock wheel set up to 5 speed 11-25T(#X5UnibodyCogSet), or you will need to pair with 3rd party rear wheel with multi-cogs compatibility to take over 4 speed cogs (7 speed/28T possible, these are not included).
Compatible up to 28T cog (original max 18t on P/T Line)
Titanium Tensioner Spring.
Smooth surface treatment with multiple colours to match your style.
Limited colour might only be available in 1st batch production.
Listing is only for one Parallelogram derailleur set (Spring activated main body, 2 jockey wheels, fixture for A C Line /Electric C and extended tensioner arm included). Cogs, thumb shifter, shifting cable and 3rd party upgrade wheelset are not included but optional.
Tested 11-28T / 7 speed possible (3rd party rear wheel with free hub body that can take 7 cogs).
Tested on Stock 2/6 speed wheel 11-25T / 5 speed possible (optional X5 unibody Cog Set)
Special combo order offer if combined with X4 Unibody Cog Set (11-13-17-21t) or X5 Unibody Cog Set (11-13-17-21-25t) for stock original 2/6 speed rear wheel.
This modification is more difficult than the rather easy "plug and play" X3 Unibody Cogset external 3 speed upgrade. (please expect some more time and patience to finetune the result).
Do not recommand this as a DIY project, please consult your LBS mechanic before order.