Apex Eagle D1 Rear Derailleur - 12 Speed seatpost The issue of having dirt

The issue of having dirt thrown in your face is a well known problem among mountain bikers

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Apex Eagle D1 Rear Derailleur - 12 Speed seatpost The issue of having dirtDescription The SRAM Apex Eagle D1 Rear Derailleur brings true mountain bike range to drop bar drivetrains, letting you climb steeper and ride further with total confidence. Built for the new Apex 12 speed mechanical system, it blends the best of road and MTB tech for smooth, reliable shifting across Eagle 50T and 52T cassettes. Equipped with Roller Bearing Clutch for rock solid chain control and X HORIZON geometry for reduced shift force and zero