Shimano Di2: Long term battery and performance review

Shimano Di2 electronic shifting – in Dura Ace and Ultegra variants – has been around for a fair few years now. A few product generations and subtle refinements have seen it perfected and take a stronghold in the higher end road bike market. But still, one of the most frequent phrases bringing people to my…

Hands on with mechanical doping

Recently I had a chance encounter with the guys from Typhoon, who build intriguing “motor assisted” road and mountain bikes. They had on display a motorised carbon road bike that on inspection shared an extremely close resemblance to one recently discovered in the world of cyclocross. At first glance I didn’t spot that the bike was modified….

Just how long is Shimano Di2 battery life?

UPDATE Click here to read my FIVE YEAR performance review! Battery life is something that a lot of potential Di2 or EPS (and now SRAM eTap of course) customers consider before taking the plunge. How many miles am I going to get? Will it suddenly go flat mid ride? Is there any warning? I’ve been…