Part of Sram`s newest 13 speed gravel drivetrain, the eTap XPLR AXS E1 is packed with features to take your ride to the next levelHangerless 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 chainsMagic Wheel keeps the chain moving, even if debris enters the lower pulleySuperior chain management with MTB-inspired spring clutchSimple setup with no adjustment screwsFully replaceable and rebuildable partsCeramic bearings and Carbon cage**Requires frame with UDH(hangerless) interface00.7518.185.00013sp46TLongBLKUPC/EAN/GTIN: 710845899829