Weighs 19g, two halves design makes installation easy. Seems very effective. Since installing on my daughter's 24" FS MTB she has not had a single dropped chain.
![c.guide installed on bike](/gfx/pubs/1375433356_r0.jpg)
Weighs 19g, two halves design makes installation easy. Seems very effective. Since installing on my daughter's 24" FS MTB she has not had a single dropped chain.