km 1620 -ish

SC1800 riding OK. Still saving up the $30 for new chain and freewheel, have some time before chain snaps.

Saw an interesting page on chains here:

Wippermann

And look under the 'tests' section, then in sub-heading '#2'

It rates tensile strengths of various manufacturers and models. Conspicuously missing is the Rohloff SLT-99, wonder if this is any tougher.