Originally Posted by
Hoopdriver
Sure sounds like an ISO crank on a JIS spindle, but he OP said that both components are new Shimano. One would assume compatibility. I seem to recall that some of the Japanese NJS track stuff was ISO, though.
Can you provide part numbers?
This is what I have. I had to heat it up do get them apart, i wanted to make sure it went on straight. back on the same way. seems the non drive side crank sits out too far, but it is secure.
Shimano UN55 Bottom Brackets
English 68 x 122.5mm
44899-104169 1
@
$18.99 $18.99
Shimano FC-M361 Acera Square Taper Crankset
175mm x 28/38/48t w/ Chain Guard (Black)
43123-100129 1
@
$45.00 $45.00