microSHIFT Advent X 1x10-Speed Groupset - Right Bar End Shifter V2 Rear Derailleur 10-Speed Medium Cage Clutch 11-42t or 11-48t Cassette

Choose Cassette: CS-H104 11-48t Steel Cogs, CS-G104 11-48t Alloy Spider and two largest cogs OR CS-EH103A 11-42t Alloy Outer Cog. Rear Derailleur: microSHIFT ADVENT X V2 RD-M6205AM-B Rear Derailleur - 10-Speed Medium Cage Clutch ADVENT X and Sword Compatible Ver. 2: microSHIFT's ADVENT X Ver.2 is the same great derailleur you know and love, but with an all new cage design that improves performance under the hardest riding. The cage features a shorter overall length and improved pulley position for better chain wrap, especially in the smaller cogs. With more tooth engagement on the pulleys, shifting speed and chain retention both improve. And more tooth engagement on the cassette means longer cassette life, especially on the small cogs. Backwards compatible with all ADVENT X systems Aluminum cage is designed to provide better chain wrap and retention Upgraded inner linkage offers easier shifting and less cable tension Enhanced pulley engagement for faster shifting Aluminum cage is dura