J
Jd
Guest
I have been fortunate enough to obtain a late 50's Rollfast Middleweight cruiser. Most of the parts
are intact and in excellent shape, except for the bent one piece crankarm. The original crankarm on
those bikes seems to be a really weak design compared the the Schwinn equivalent. I'd like to use
the original chainring because it is in fantastic shape, but there seems to be a problem with the
drive side cone on the crankarm. There appears to be no flat spots to allow it to be wrenched off to
free the chainring. Is there a trick to removing these, or am I going to have to machine some flat
spots in that cone? I did a Google search on it from many different angles and was unable to come up
with anything. Thanks.
JD
are intact and in excellent shape, except for the bent one piece crankarm. The original crankarm on
those bikes seems to be a really weak design compared the the Schwinn equivalent. I'd like to use
the original chainring because it is in fantastic shape, but there seems to be a problem with the
drive side cone on the crankarm. There appears to be no flat spots to allow it to be wrenched off to
free the chainring. Is there a trick to removing these, or am I going to have to machine some flat
spots in that cone? I did a Google search on it from many different angles and was unable to come up
with anything. Thanks.
JD
