The Shimano RT-EM300 brake discs for speed sensor systems offer excellent braking power in all conditions. With the Shimano Center Lock mounting system, the brake discs can be quickly and easily installed thanks to the locking ring design.

The Center Lock system of the brake disc, featuring a multi-tooth profile and locking ring, simplifies installation. This locking ring mounting system allows for quick installation and removal of the brake disc, saving on service costs. Additionally, the secure fit on the multi-tooth profile ensures higher precision and strength, thereby enhancing the effectiveness of the brake.