In message
Simon Brooke wrote:

in message , elyob
') wrote:

Remind me again, how does one get a bolt out of the rear drop when it's
been seized for a number of years?

First off, penetrating fluid. Second, if that fails, ammonia dissolves
aluminium oxide, which may help.

Actually it doesn't - not sufficiently alkaline ! Zinc oxide yes but Al2O3
No.

Tried it in a test tube to confirm but this is a standard test for Al.

Regards Paul


--
CTC Right to Ride Representative for Richmond upon Thames