Roller chains are called upon to carry heavy loads, withstand shock, and survive even the harshest environments. However, chains achieve their best longevity when properly selected and maintained. Why ...

Why are the rollers larger? Is it to get more “grip” on the 10-tooth cog? Ultimately, what matters to me is this (related to question 1): Is the roll-out/gear inches of a 12-speed SRAM the same as a ...