High quality: Bike bicycle disc are made of high-quality stainless steel and aluminum alloy , durable, safe and fit for long cycling. Practical design: Polygon airflow design, large hole spacing, good heat dissipation performance, not easy to accumulate sand and dust, which is conducive to reduce the wear of the sheet.unique thread design, effective and direct manufacture of bicycle brakes.Fine machining ensures the thread would perfectly fit your bike. Easy to install: excellent workmanship, exquisite Contact, easy to install and use.Easy to Mount on your Disc Brake Ready Frame and Fork. Widely application: Exquisite drilling design, good for heat dissipation, desilting, drainage.Ultra-lightweight, strong heat dissipation.Suitable For Road Bike, Mountain Bike, BMX, MTB. The flat surface of the bike disc brake rotor allows it keep stable when riding. The stainless steel bicycle rotor uses a 6-bolt style that it can be easily installed on the frame and front fork of the disc brake.<br><br>Colour: silver Material: stainless steel + aluminum alloy<br><br>Package Contents: 1 x disc brake 1 x diagonal conversion 6 x screws<br><br>Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.