The Shimano BB MT500 Bottom Bracket has outboard bearings offering better weight distribution and more stability providing a more efficient power transfer The diameter of the bearing axle was an important factor in development because the axle has a positive effect on stiffness stability weight and rotating efficiency It is a pressfit Hollowtech II BB It allows Hollowtech IIcompatible cranks with 24 mm axles to be mounted on MTB frames with bottom bracket widths measuring 89 to 92 mm Key Features It is used for mountain bikes It is Press Fit BB92 type It has a shell diameter of 41mm It has a shell width of 89592mm It has a 24mm Hollowtech II axle diameter The bearings are made from steel The BB cup material is a synthetic resin The BB centre tube material is a synthetic resin

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