Compatibility guideShimano 105 R7100 Rear Derailleur vs SRAM NX Eagle PG-1230 CassetteCompatibleThese components should work together.Why this verdict• Both parts support 12-speed. Check your own build Start a buildOther pairings for Shimano 105 R7100 Rear DerailleurShimano 105 CS-R7100 Cassette 11-34CassetteCompatibleSRAM Eagle XG-1275 Cassette 10-52CassetteCompatibleKMC X10 Silver/BlackChainNot compatibleOther pairings for SRAM NX Eagle PG-1230 CassetteSRAM GX Eagle Rear DerailleurRear DerailleurCompatibleKMC X10 Silver/BlackChainNot compatiblemicroSHIFT Advent X 10-Speed ShifterShifterNot compatible