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Effortless performance. Effortless perfection.
SRAM has perfected every component of RED to deliver one-finger braking, smooth shifting, fully wireless connectivity, and expanded gear selection to suit every rider. Every feature imaginable has been integrated, like new shift points and greater brake adaptability, while lightening every component to create the lightest electronic groupset ever. Here is the updated SRAM Red AXS E1 2x12 speed mini groupset with Karoo
One-finger braking is now accessible. SRAM has redesigned the lever architecture to accommodate all hand sizes and facilitate access to powerful, smooth braking from any position on the handlebars. Independent adjustment of reach and contact point allows for personalized configuration, without the risk of pinched fingers. The optimized shape of the grips reduces fatigue on long rides, and the Bonus buttons allow you to change gears or control ANT+ devices with your thumbs. All this while reducing the weight by 83g. The caliper is not only stiffer, but also lighter, with exceptional pad clearance for friction-free use.
One-finger braking from handlebars or drops
83 g lighter than the previous generation
AXS activation for easy, customizable and reliable configuration
eTap shift logic for intuitive shifting
Bonus button to control ANT+ devices or add an auxiliary shift option
Handle shape optimized to suit maximum hand sizes
Carbon brake lever for light weight
Shift paddles and textured grips for greater control and comfort
Bleeding Edge technology for simple, clean purges
Reach adjustment to customize fit for different hand sizes
Contact point adjustment to customize brake engagement
The RED AXS E1 rear derailleur is the heart of the SRAM AXS ecosystem: lighter, more efficient and better than ever. Covering cassettes ranging from 10-28T to 10-36T, this cordless gem has larger pulleys to improve drivetrain efficiency, and an Orbit fluid damper to keep everything in place on rough terrain.
SRAM AXS™ allows for simple customization
Orbit™ chain management for quiet and secure transmission 16g lighter than previous generation
A single rear derailleur for all drivetrain combinations, including 1x and 2x
Compatible with cassettes from 10-28T to 10-36T
Larger X-SYNC™ pulleys and ceramic bearings for increased durability and efficiency
Compatible with current eTap® batteries (not included!)
Not only fast and reliable front gear changes, but also quiet operation across the entire cassette. The RED AXS front derailleur uses Yaw technology with electronic adjustment to ensure the fastest possible shifting while eliminating chain friction in all combinations, with simple setup thanks to an ingenious new tool.
AXS activation for easy wireless setup, monitoring, customization and reliability
Refined cage shape for faster, more precise front shifts
Easy setup with included tool
Yaw cage technology optimized for use with X-Range chainrings
Auto-adjust functionality for friction-free operation
The Karoo meter represents the pinnacle of innovation, design and performance. Its beautiful screen, high-quality materials and long battery life make it a no-compromise bike computer. Easy to use in all conditions thanks to thoughtful hardware and software design, Karoo allows you to concentrate on the road and driving rather than on the equipment. With comprehensive support for structured workouts, the industry's best navigation and a companion app to manage Karoo without removing it from the handlebars, Karoo helps you achieve your training goals, explore new routes and enjoy every ride. Its unrivaled mastery of your bike's connected components, from SRAM AXS products to electric bikes and ANT+ lights, makes it a centerpiece of your equipment.
High-resolution screen and intuitive controls
Memory and RAM for fast processing and extended battery life
Multi-band GNSS technology for maximum accuracy
Surface-specific routing type to explore new paths
Unparalleled connectivity with SRAM AXS products and ANT+ and Bluetooth sensors
The SRAM Push your limits knowing that the Paceline X disc will be there to stop you.
Designed for road use
Paceline brake track for quiet operation
Lightest aluminum bracket for reduced weight
The lightest, most durable chain SRAM has ever made, even lighter. HollowPin construction is lighter and stronger than a solid pin, and cutouts in the outer and inner plates reduce weight by 13g compared to the previous generation. Can a chain really be lighter, faster, stronger and more durable than any other? This one is.
Flattop™ technology for a narrower chain with quieter operation, increased strength and durability
Chrome™ plated internal plates and rollers for reduced wear and extended life
HollowPin™ construction for increased strength and efficiency
Ultra-light exterior plates with cut-out design
The eTap/AXS battery is the power source for the eTap/AXS system. The same power unit is interchangeable between the front and rear derailleurs.
Up to 1000 kilometers of range per charge
With this kit, you will benefit from the best SRAM technologies for an unparalleled cycling experience, tailored to your needs and preferences.
Data sheet
Specific References
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