Shimano XT FH-T780 135mm Rear hub

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Hub Data
Manufacturer Shimano
Model XT FH-T780
Descriptor
Position Rear
Axle Type 10mm
OLN 135 mm
Brake Compatibility rim brake
Drive Interface Shimano 8/9/10 (34.95mm)
Internal Gearing none
Dynamo Type none
Spoke Hole Diameter 2.6 mm
Left Flange Diameter 44 mm
Right Flange Diameter 45 mm
Left Flange Offset 33.8 mm
Right Flange Offset 20.6 mm
Mid-Flange Offset -6.6 mm (to the left)
Weight 338 g
URL https://bike.shimano.com/en-EU/product/c...
Metadata
Hub ID 446
Record Status Public
Created Feb 26, 2019 8:19pm
Contributed By
hub dimension diagram
PLEASE NOTE: Shimano publishes hub dimensions in a relatively confusing manner on bike.shimano.com. 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
Anonymous contribution. Flange offsets calculated from Shimano's confusing data and adjusted to center-to-flange assuming 3mm thick flanges. -Karl
part image