SRAM RED AXS Upgrade Kit + Hammerhead Karoo Computer One Color, One Size

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.