SRAM kettenblatt "red axs aero e1" chain ring red axs aero e1 68t

- x-range gearing technology gives you more range and a smoother gear progression so you’re always in the right gear - power meter is fully integrated into the chainring for lighter weight - power readings are accurate within +/-1.5% and aren’t affected by climate conditions during a ride - measures right and left leg power balance - crisp and accurate front shifts - unique chainring shape results in a lighter weight stiffer more durable unit - available in 46/33t 48/35t 50/37t 52/39t 54/41t and 56/43t chainring combos