It is not the same as a HD wide glide. Been down that road before. HD is .80" . I had a Harley dealer change a on the road flat for me. The mechanic did not loosen my pinch bolts enough and beat my front shaft out destroying it. Then replaced it with a HD wide glide with out telling me till it was installed. I was pissed. All the way back to Shreveport 200 miles I kept noticing the front end bucking. I brought it to R&D Cycles. Ricky tore the front end apart and called me. Said I was very lucky I didn't wreck. The wheel bearings were blue due to overheating due to the oversize shaft. I ordered new bearings and a new shaft from bigdog!