Tektro TR-52 Disc Brake Rotor 180mm ModelNumber=J2493 - DD: Double Defense 67

- DD: Double Defense 67 tpi reinforced casing

Compatible with Shimano MTB rear derailleurs designed for 9 or fewer cogs Rear Der/Shifter Compatibility Shimano Mountain Shifter Style Twist Drivetrain Speeds 6 Weight 70 Color Black

Full tire surface functions as a potential contact patch

Carbon fiber arms with structural foam core provide excellent strength-to-weight

6 Color Gloss Black Crown Race 30 Wheel Size 26" External Adjustments Coil Preload Defined Color Black Positive Spring Air/Coil Stanchion Diameter 32 Steerer Tube Length (mm) 262

Tektro TR-52 Disc Brake Rotor 180mm ModelNumber=J2493 - DD: Double Defense 67One piece IS 6 bolt compatible stainless steel rotor Includes T25 Torx wrench and 6 mounting bolts Ideal for two piston calipers Model TR 52 Size 180mm Mount 6 Bolt Thickness 1. 8mm Weight Color Silver