Time Trial / Time Trialling / TT

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gbj_tester in reply to @Scilly.Suffolk

If it just moves up and down, it stays on the chainring. It only comes off when it moves sideways far enough for the top of the teeth to catch the side plates.

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Scilly.Suffolk in reply to @gbj_tester

I suppose it depends on which end of the cassette people are losing their chains.

I assumed the top (when the chain has most slack), so when you get a slap the inherent flexibility of 11 speed chains allows a lateral "shimmy" to develop, catching the side plates.

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hippy in reply to @Scilly.Suffolk

This is what happens to me and the chain unships outboard around the crank so I can't pedal.

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