★★★★★ 5
Works as advertised
Good product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 26, 2026
SRAM RED E1 Upgrade KitSRAM RED E1 UPGRADE KIT The ultimate in cockpit data integration. Personalize your ride and your data with RED AXS controls and the Hammerhead Karoo. Use Bonus Buttons to scroll your head unit or shift your derailleur from our most comfortable controls. FEATURES Aftermarket kit includes: Hammerhead Karoo, left and right Shift Brake System controls, and flat mount calipers Compatible with all generations of AXS derailleurs
Quick Dispatch:
Your SRAM RED E1 Upgrade Kit orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your SRAM RED E1 Upgrade Kit ships.
Need Help?
Questions about SRAM RED E1 Upgrade Kit, sizing, or delivery? We're just an email away.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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★★★★★ 5
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Seems OK, but only time will tell
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Reviewed in the United States on January 16, 2026
