1. The Anura RL has the conventional 27 speed derailleur system with a triple chainring and crankset, and nine speed rear cassette

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3. SHIMANO Altus Mountain Bicycle Front Derailleur - FD-M2000 (TOP-Swing Dual-Pull, CS-Angle 63-66) 5.0 out of 5 stars 2

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5. Backpedaling doesn't always go smoothly as the chain can be at angle, and the RD is effectively trying to shift the chainrings, while the chainrings and front derailleur can cause rear shifting from a imperfect chain angle