One last thing to report before I crash. The gizmo in the pics is the most valuable piece of equipment so far. A Jump-Stop, made by N-Gear. I've been having trouble with the chain dropping on the inside. The chain is as tight as it can be. It's become apparent to me that the secondary purpose of a front derailleur is to keep the chain from falling off...Originally I thought it was a design flaw i.e. bad chainline, because bike came stock with a little plastic hook(see pic in last post) that doesn't do a thing, and an outer bash guard . But I've finally come to realize that the chain popping off when coasting over bumpy terrain is an everyday occurrence--but not noticeable with the front derailleur hugging the chain/chainring interface. Think about it, you're bouncing through some rockgarden in your middle 'ring , you'll remember hearing that clank-a-clank going on down there....Or, better yet, in your granny, the same thing happens, but if your limiter screw's not quite right, your chain winds up on the bb shell. In which case, you start pedalling lightly , while gingerly shifting up until the chain engages again. This isn't possible with a single ring. You have to get off, finger it back on while manually rotating the crank and your friends sigh impatiently, wanting to get on with the ride...
This product is cheap, and it works!
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