• Aluminum alloy CNC machined lightweight colorful tensioner arms, parallelogram derailleur, and fixture.
• Compatible with P/T Line or Electric P Line frame (A/C Line versions are in other listing). Compatible with X7 advanced Cog Set on stock wheel set for up to 7 speed 11-28t (#X7AdvancedCogSet), or you will need to pair with 3rd party rear wheel with multi-cogs compatibility to take 7 or more 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 default only one tensioner arm for P/T Line (compatible to stock advanced parallelogram derailleur up to 5 speed 22T). You can add optional parallelogram derailleur (Spring activated main body, 2 Jocky wheels, fixture for further gear range). Cogs, thumb shifter, shifting cable and 3rd party upgrade wheelset are not included but optional.
• Tested 11-28T/ 7 speed possible on stock wheel with our optional derailleur.
• Special combo order offer if combined with X7 Advanced Cog Set (11-13-17-21-25-28T) for stock original advanced rear wheel.
• Please see A/C Line version in this LISTING.

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