SHIMANO - Rear FREEHUB - CENTER LOCK - Disc Brake - Quick Release - 8/9/10-speed.With CENTER LOCK disc rotor mounting, the quick release FH-MT200-B freehub offers stiffer wheel rigidity, smooth rotation, and less drag. MODEL NO：FH-MT200-B SERIES：SHIMANO ALTUS M2000 Series Color：Black Brake type：CENTER LOCK disc brake Axle fixing method：Quick release External serration disc brake rotor lock ring_without：✔ Flange diameter Left/Right (mm)：53.8 Flange distance (mm)：63.4 Internal serration disc brake rotor lock ring_without：✔ Offset (mm)：6.65 P.C.D. left / right (mm)：45/45 O.L.D. (mm)：141 Spoke hole_28H：✔ Spoke hole_32H：✔ Spoke hole_36H：✔ Rear speeds：11/10/9/8 Seal_Hub：Contact Color_1 Hub shell：Black HG spline (Others)：✔ Quick release skewer length (mm)_172：✔ Quick release skewer length (mm)_17.
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