SHIMANO FH-MT401-B Deore 12s CL Rear Bushing

Shimano deore - rear freehub - micro spline - center lock - disc brake - quick release - 141 mm o.l.d. - 12-speed shimano deore rear freehub for disc brake 141 mm o.l.d. 12-speed - Simple setup and reliable trail performance - Easy disc brake rotor installation with spline mount and lock ring - Quick release axle type - Labyrinth & contact sealing - More maneuverability and aggressive riding realized - Wide 141 mm o.l.d. - Smaller spline diameter for 10t top gear Technology: - 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. - Micro spline delivers lightweight aluminum freehub body to reduce weight and 10 teeth top gear.use combination with micro spline cassette sprocket and freehub. - micro spline patents are pending Benefits & features: - Lightweight aluminum micro spline freehub seamlessly integrates with small 10-tooth top gears. - Smaller and more widely distributed splines limit cog damage on lightweight aluminum freehub.