New Firmware October 2019 – Hammerhead Karoo

Hammerhead has just released one of their larger, monthly software updates, this time there is integration with Shimano Di2 and Garmin Varia. (v1.95.686.3) The Di2 capabilities on the Karoo vary depending on the exact components you have. Di2 can just be shifting but the higher-end shifters also have buttons on top of the hoods which…

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New Firmware March 2019 – Hammerhead Karoo

Return to main Hammerhead Karoo Review There were some nice additions to the Hammerhead Karoo’s features last week. As usual, these were a combination of adding some features that their competitors already have and then sneaking in a little innovation or two here and there. For those of you who do lots of hills, the…