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…

Weekend Ride: Hills & Di2Stats

I had an interesting ride over the weekend. I seem to have passed some cycling competency test or other and was allowed to move from the banks of the Thames to the hills of Surry and Sussex (Southern England, below London). As well as seeing how much time I could spend in ‘first gear’ (34:28)…

Cervelo S3 di2Shimano Adamo ASM Shimano

Shimano Di2 – the dark side of the metrics

This is a short article highlighting some of the wonderful things you can do with Di2. I’m describing what I can do with a 2017 Ultegra R8050 derailleurs and DuraAce R9150 shifters which ARE more capable in the breadth of functionality they support than earlier models. Apologies in advance if you already have Di2 and…