Shimano XT HB-M8010, SLX HB-M7010, Deore HB-M6010 100mm Front hub

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Hub Data
Manufacturer Shimano
Model XT HB-M8010, SLX HB-M7010, Deore HB-M6010
Position Front
Axle Type 15mm thru
OLN 100 mm
Spoke Interface Type J-Bend
Brake Compatibility disc, Centerlock
Drive Interface n/a (front)
Internal Gearing none
Dynamo Type none
Spoke Hole Diameter 2.6 mm
Left Flange Diameter 44 mm
Right Flange Diameter 44 mm
Left Flange Offset 23.3 mm
Right Flange Offset 33.9 mm
Mid-Flange Offset 5.3 mm (to the right)
Weight 155 g
Hub ID 448
Record Status Public
Created Mar 9, 2019 9:59am
hub dimension diagram
PLEASE NOTE: Shimano publishes hub dimensions in a relatively confusing manner on They seem to provide the outside-to-outside flange spacing, and an overall offset of the flanges as a whole. Wheelbuilders are interested in the distance from the midpoint between locknut faces to the middle of the flange (not the inside or outside face). When necessary, I convert Shimano's data into useful spoke calculation dimensions with some simple arithmetic, and factor in 3mm thick hub flanges (an approximation). The formula is to divide spacing by two, add or subtract the overall offset, then subtract half of our assumed 3mm flange thickness. Please check the notes to see if the values for this part are derived from Shimano's published data or actual measurements of a hub specimen. -Karl
1/10/2020 -- Dimensions match SLX HB-M7010 and XT HB-M8010, adding these to model name rather than having essentially duplicate entries. Claimed weights are very close; I entered a roughly median value. -Karl
part image