SHIMANO MT9 ETR Disc CL Front Bushing 28H

Features: - Increased acceleration by reducing inertia and weight - New smaller spline diameter for 10T top gear - Quick engagement: 7.6 deg max - Near silent drivetrain eliminates rider distraction - Faster acceleration - Silent drivetrain - O.L.D.: 110 mm Specifications: - Flange diameter (mm) 52.8 - Flange distance (mm) 70.2 - O.L.D. (mm) 110 - Offset (mm) 5.4 - P.C.D (mm) 44 / 44 - Seal Labyrinth & Contact - Spoke Holes 28H, 32H Technology: 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.