The all New SRAM eTap AXST is made for today's riders, the result is an intuitive, high-performance
groupset that means you can focus on what's most important your ride.
Exploring new limits has never been easier. As road bikes are faster and more capable than ever, and riders are expanding what's possible with drop bar bikes. X-RangeT offers wider range, more useful and smoother gear progression, as well as smarter shift settings enabled by AXST.
In certain disciplines, the single-ring drivetrain reigns supreme championing simplicity, strength, and durability, the SRAM RED 1 AXST power meter meets the demands of triathletes, time trialists, and cyclocross racers. The power meter features improved aerodynamics thanks to direct mount aero chainrings with fully integrated power, and the tighter gearing range is perfect for racing and areas with flatter terrain.

. Single-ring drivetrain simplifies functionality
. 48 and 50t variants have fully integrated power into a direct mount aero chainring, 36-46t variants have spider-based power
. Chainrings can be easily changed without requiring recalibration of the power meter
. 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
. SRAM X-SYNCT wide-tooth, narrow-tooth chainring technology provides maximum chain control
. Laser-etched chainring finish is more durable