SRAM Apex XPLR Rear Derailleur – 12-Speed Medium Cage 44t Max Black D1. You want your bike to do everything so you need gears that can do everything. The SRAM Apex XPLR derailleur hits the sweet spot of smooth jumps over a big gear range all with unmatched chain security and the simplicity of a 1x drivetrain. Quietly and quickly shift across our 12-speed cassettes with 44T large cogs knowing youll have the gears you need.

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