SRAM

RED eTap AXS Upgrade Kit - Shift/Brake Levers, Flat Mount Calipers, Hammerhead Karoo, E1

The SRAM RED eTap AXS Upgrade Kit delivers a complete control and data experience for riders who want precision shifting, powerful braking, and seamless connectivity in one refined package. With RED eTap AXS E1 shift/brake levers, flat mount hydraulic calipers, and the Hammerhead Karoo GPS head unit, this kit offers everything needed to upgrade to a top-tier electronic system that’s smoother, lighter, and more intuitive.

The updated lever and hood shape improves comfort across a wide range of hand sizes, giving riders confident control whether braking from the hoods or the drops. Brake feel is consistent and powerful, with calipers designed for better stiffness, lighter weight, and exceptional pad clearance to eliminate rotor rub. Integrated Bonus Buttons add flexibility, allowing control of ANT+ devices or auxiliary shifting right from the levers.

The included Hammerhead Karoo brings advanced integration with SRAM AXS components, making it easy to customize shifting preferences, monitor system status, and connect with power meters, tire pressure sensors, and other accessories. Whether upgrading an existing AXS setup or building a new one, this kit blends performance and personalization for riders who expect the best from every ride.

• AXS-enabled for effortless setup, customization, and reliability
• Bonus Buttons provide ANT+ device control or auxiliary shifting
• Carbon brake levers and textured paddles enhance grip and reduce weight
• Optimized hood shape fits a wide range of hand sizes for all-day comfort
• Reach Adjust and Contact Point Adjustment allow personalized brake feel
• Flat mount calipers deliver strong, smooth braking with improved pad clearance
• Hammerhead Karoo GPS computer integrates seamlessly with AXS for smart customization and performance tracking
• Includes RED eTap lever pair, flat mount 2-piston caliper pair, and Hammerhead Karoo GPS unit