Continuing to shake up the increasingly competitive power meter market with the worlds' lightest and most accurate power meters, 4iiii Innovations have launched this great 175mm length Shimano…
I've just bought an adventure bike with a different crank type so I'm selling my old power meter. 2 year old 4iii Ultegra left crank power meter 175mm crank. Good condition. The bike is also for…
When you put force through your pedals or crank, it doesn't just bend the crank - it twists and flexes in all 3 dimensions. 4iiii's patented 3D power measurement system measures this multidimensional…