New Sram X-9 X9 2/3x10-speed Mountain Groupset Group Set White Lockout Type 2 Derailleur, Crankset, Cassette, Shifters, Chain - Bicycle Derailleur - AliExpress
X9 Rear Derailleur | RD-X9-A1 | SRAM | Service
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SRAM X9 Type 2 10-Speed Rear Derailleur - Smart Bike Parts