I've got the same type of notch as orangemazdab2000 and both were installed in about 4 hours. Bed was already removed, but that doesn't take longer than 15 minutes. First time my friend did one, and that was from knocking my spokes off to rolling out the driveway.
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oldskool92
+1y
How big of a pipe did you use
charlesskelter
+1y
It was 4" diameter pipe.
Since I put the bed back on I have run over some pretty big bumps and she's back to riding nice.