5 stars
Absolutely brilliant product yet again from Superstar! Had this chain guide on my bike for about 3 months now, no problems at all. It's light, I found it easy and quick to install, I'm using the BB mount for it. Doesn't detriment the strength of the BB or cranks either. People say it makes a noise, but they obviously haven't set theirs up correctly, mine's silent in the higher gears and it makes a