Sram Red Axs Spider

- axs™ enabled for easy monitoring and firmware upgrades - bluetooth low energy and ant+ compatible - power readings are accurate within +/-1.5% and aren't affected by climate conditions during a ride - power balance measures left and right legs separately - uses a common cr2032 battery that last for 200 riding hours and changes without tools - power-upgrade compatible with the following red® and force etap axs™ cranksets: - red 1x: 36t-46t force 1x: 36t-46t force 2x: 33/46 35/48 contents: - 1x sram quarq axs powermeter spider road | lk 107 mm without crank arms and without chainring. - 8x torx screws for spider mounting - 4x chainring bolts for 1-speed chainrings - 4x nut/cover for 1-speed chainrings - 4x chainring bolts for 2-speed chainrings