Shimano SM-RT10 disc brake rotors provide exceptional stopping power in all riding conditions. Shimano's Center Lock mounting system makes installing and removing rotors quick and easy thanks to the spine mount and lock ring design. Technologies Center Lock - The Center Lock system makes an easy rotor installation possible with spline mount and a lock ring. The lock ring mounting system reduces the total working hours by shortening the amount of time of both installation and de-installation. In addition, the secure fixing by the spline mount enhances precision and rigidity while improving braking efficiency. Features New lock ring style
Bigger diameter internal serration with external serration construction for multi tool compatibility (TL-FC36 and TL-LR11)
New installation tool TL-LR11
Long lasting good braking performance
Easy handling & operation for entry level riders
Fast and quick assemble feature
Center Lock Specifications Center Lock Yes Outside Diameter 180mm, 160mm Pad Compatiblity Resin