Features: The bike disc brake Rotor is make of SUS410, with high strength, not easily to deforms, and excellent rusts prevention and wear resistance.<br> The polygonal airflows designs and large hole spacing provide good heat dissipation performances and reduce brake attenuation and warpage, thus ensuring excellent brake performances.<br> Excellent dry and wet performances, good wear resistance, quickly ventilation and good heat dissipation.<br> Used-as front disc brake bike and rear disc brake bike, easily to install.<br> Mountain bike Rotor are available in 5 size of 140/160/180/203/220mm.<br> Specifications: Materials: SUS410<br> Diameter option: 140mm (5.51inch)/160MM (6.3inch)/180MM (7.09inch)/203MM (7.99inch)/220MM (8.66inch)<br> Package Includes: 1pc Bike Disc Brake Rotor<br> note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store