Simple and wireless shifting. Wider range and closer progression, so you're always in the right gear.

A quiet, secure and smooth ride, whatever the terrain. Control, personalise, and monitor components via the AXS app. Faster shifts than the previous eTap® generation.

Ideal gear ratios for today's more capable bikes and riders. Smoother gear progression.

Integrated power meter on SRAM RED® is more accurate and durable. Power meter-equipped SRAM RED® 2x road chainrings last 50% longer than the previous generation of chainring.

Straight-edge profile for a stronger, quieter chainGreater shifting accuracy and less running noise: you will notice the difference.

Universal mounting system for cassettes that incorporate cogs with fewer than 11 teeth. Allows for lighter and more versatile drivetrains, without requiring new rear axle standards, hub redesigns, or even new cassette tools.