1、Fast Conduction Brake: The integration of double row hollow heat sink and brake pad, fast conduction brake, effectively avoid the failure caused by high temperature oil pressure lock and long term brake. 2、Three Fingers Brake Handle: Three fingers brake handle, easy to control, double piston design, braking performance is more stable and more reliable 3、Polygonal Airflow Design: Floating disc, polygonal airflow design, good heat dissipation performance, large hole spacing, not easy to accumulate sand and dust. 4、Wide Applicability: It has wide applicability and can be used in the braking system of ordinary bicycles, mountain bikes and road bikes. 5、Concave Holes Design: The brake lever has a frosted surface with concave holes, can effectively increase friction, resist hand sweat caused by hand slip, good braking sensitivity, strong braking, good stability and feel good. 6、Brake Handle Installation Direction: front brake installed on the left hand side, rear brake installed on the right hand side. Item Type: Bicycle Brake Cooling Disc Weight: Approx.910g / 32.1oz Material: Aluminum Alloy Brake Handle Installation Direction: Front Brake Installed On The Left Hand Side, Rear Brake Installed On The Right Hand Side Front Disc Brake Line Length: Approx.0.8m / 31.5in Rear Disc Brake Line Length: Approx.1.5m / 59.1in Brake Rod Handle Length: Approx.83mm / 3.3in Applicability: Suitable For 22.2mm / 0.9in Handlebars Transfer Seat Brake Size: A Pillar 74mm / 2.9in, B Pillar 51mm / 2.0in Conversion Block Printing: F180MM/R160MM, F180/R160 F Stands For Front, R Stands For Back, 160 And 140 Refer To The Disc Diameter (MM) Disc: Diameter 160mm / 6.3in BCD 44mm / 1.7in (Hole To Hole) 2 x Front And Rear Disc Brake 2 x Disc 16 x Screw 1 x Conversion Block