Insurance

Both the LHT and now the X Bike have NGear Jump Stops installed.  In each case, the work was precipitated by instances of a hard down shift into the granny gear, but the chain overshooting and becoming wedged against the bottom bracket shell and the crank rings.

Jump Stop photo

Jump Stop photo

They’re very inexpensive, really easy to install and adjust (allen wrench supplied) and do exactly what they are supposed to do.

I suppose one could argue that the overshooting chain was due to a mis-adjusted front deraileur screw, but I prefer the insurance of not getting stuck in the middle of nowhere with a tight chain.

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