Bicycle sprocket having a thickened spline
A sprocket comprises a sprocket body; a plurality of teeth extending radially outwardly from the sprocket body and dimensioned to engage a bicycle chain; and a spline extending radially inwardly from the sprocket body, wherein the spline includes a radially outer surface facing radially outwardly.
Shimano, Inc.
B
B62M
inventional
Takahiro Kenji
Nakano Kamada