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Mike's Bikes
SRAM GX Long Cage Rear Derailleur (10-Speed)
$49.95
Backcountry
SRAM GX Type 2.1 10-Speed Rear Derailleur
$71.00
Amazon
SRAM GX Type 2.1 10-Speed Medium Cage Rear Derailleur Black
$66.00
bikes & moore
SRAM GX Type 2.1 10-Speed Rear Derailleur
$71.00