SRAM FORCE E1 AXS POWERMETER 50/37 TM BLACK (P)Designed as part of the Force AXS groupset, the Thread Mount 2x chainrings are part of an innovative system to minimize weight while maximizing stiffness and power meter accuracy Rings can be quickly swapped out using the appropriate removal tool Thread Mount design is light, stiff, and accurate Available in 46 33, 48 35, and 50 37 chainring combos Compatible with all road Flattop chains Sram Thread Mount Chainring Removal Tool required for