'The Hollowtech II cranks also performed on par with XTR, providing an incredibly stiff platform, and the chainrings, which utilize Shimano’s renowned ramps and pins, offered reliably slick shifting. What’s the catch? Weight. The LX cranks weigh 927 grams, (XTR cranks weigh only 797 grams). Another downside: As advantageous as external bearings and “two-piece” cranks are, there’s only one spindle size...' More