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RED AXS Upgrade Kit + Hammerhead Karoo Computer

3 out of 5 stars
2 Reviews
Color:One Color



Why We Like The SRAM RED AXS Upgrade Kit + Hammerhead Karoo Computer

We take our setup to the next level with the SRAM RED AXS Upgrade Kit + Hammerhead Karoo Computer. Compatible with all generations of AXS derailleurs, adding this upgrade kit lets us personalize our ride with the RED AXS controls and keep track of our data with the new Hammerhead Karoo bike computer. 


  • An upgrade kit for all generations of AXS derailleurs
  • Includes L/R shift-brake system controls, flat mount calipers, and Hammerhead Karoo
  • Use the Bonus Buttons to scroll the bike computer or shift the derailleur
  • Item #SRMD19S
all generations of AXS derailleurs
Hammerhead Karoo, left and right Shift-Brake System controls, and flat mount calipers
road cycling
Manufacturer Warranty
limited 2 years

Overall Rating

3 based on 2 ratings

Review Summary

1 Stars - 1 reviews
2 Stars - 0 reviews
3 Stars - 0 reviews
4 Stars - 0 reviews
5 Stars - 1 reviews

Fits True To Size

Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.
Runs smallTrue to sizeRuns large

What do you think about this product?


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Tyler TGearhead
5 out of 5 stars

June 3, 2024

Upgrade to comfier levers!

I've used it once or twice and have initial impressions

Other review must have thought this was: https://www.competitivecyclist.com/sram-red-etap-axs-2x-groupset-hammerhead-karoo-computer Upgrade is 10/10!