• Aluminum alloy CNC machined lightweight tensioner arms, derailleur, fixture, and thumb shifter.
• Compatible with A/C Line or Electric P Line frame (P/T Line version is in other listings). Comes with X7 advanced Cog Set on stock wheelset for 5-speed 11-25T (#X5AdvancedCogSet).
• The largest cog is 25T (vs. the original max 15T on A/C Line).
• Titanium Tensioner Spring.
• CNC machined advanced-parallelogram derailleur (spring-activated main body, 2 Jockey wheels, fixture).
• Double tap 7-speed thumb shifter with cable.
• Please find for P/T Line version in this LISTING.

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