Win in all types of gravity races! The modular chain guide from SHIMANO is robust and efficient. The rider can mount one, two, or no chain guard depending on the course and usage. The chain guide features minimal impact protection to safeguard the chains and chainring from shocks. And thanks to the replaceable silencer, there is less distraction from noise, allowing you to focus better on the ride. Furthermore, the modular chain guide from SHIMANO ensures an extremely stable and quiet drive with the SHIMANO Shadow+ derailleur.