Peter Brown wrote:
>
>The RRA fixed side cup does have threads, but the last little bit of the
>cup is without thread, to stop it going any further in, so it then appears
>to be threadless. The 2 flats are very shallow, and need a keen edge spann
er
>to grip on them. They are also very brittle and easily crack off, so be
>careful. It you are unable to get a grip with your spanner try using a ¾
>nut and bolt and some washers through the cup to clamp the spanner in
>position. If that fails, use the nut and bolt with some packing washers
>to sandwich the flat of the cup. As you tighten the grip of the nut and
>bolt it will frequently remove the cup.
I have a detailed article on this, with photos at:
http://sheldonbrown.com/
Sheldon "Bolts" Brown
+-------------------------------------------------------------+
| If brute force doesn't work, you're not using enough! |
| --BOB Simon |
+-------------------------------------------------------------+
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Harris Cyclery, West Newton, Massachusetts
Phone 617-244-9772 FAX 617-244-1041
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