Shimano’s RT-EM300 brake discs for speed sensor systems provide exceptional stopping power in all riding conditions. SHIMANO’s CENTER LOCK mounting system makes mounting and removing the brake discs quick and easy thanks to the slotted mount and locking ring design.

Features

• CENTER LOCK disc brake system
• Wide type brake disc
• Not compatible with metal brake pad
• Recommended brake kit: MT520/MT500/MT420/MT400