Perfect shifting through better design, even through the toughest gravel terrainHangerless Interface and Full Mount attachment allow for the most precise shifting and the ultimate resistance to impact1x specific for use with 10-46T XPLR 13-speed cassette and Flattop chainsSuperior chain management with MTB-inspired spring clutchSimple setup with no adjustment screwsReplaceable and rebuildable partsBattery not includedRival eTap AXS XPLR12/13sp46BLK/GRYUPC/EAN/GTIN: 710845916786