Bicycle cranks

Length 170\172.5\175 to choose from. Calculate 50\34 52\36 53\39 to choose from. ORIGINAL!< /p> Hollowtech II cranks help you transfer more power, providing weight reduction without loss of rigidity. They provide wide range of gear combinations to suit all your needs on the road. Paired with new front and rear derailleurs R-8000 series, your shifting will be so fast, smooth and clear that you will have doubts whether you switched at all! Beautiful crank design, taking its origins from Du...