I am having intermittent drive train problems on a Schwinn SSX Single
Speed cruiser that I recently bought new. I ride the bike about 3
miles to the station and along the way the chain is prone to jumping
especially under load or when going along a bumpy road. The chain
often drops off the cogs completely once or twice along the way. It
also tends to jam the pedals from moving forward and if I pedal
backwards very slightly and forwards again it seems to avert the chain
from falling off.
The bike shop said it might be a chain tension issue and they
installed a new chain and apparently set the tension.
Any ideas as this has lost my confidence in the reliability of the
bike. I am wondering if it is more of an alignment problem but all
looks ok to me....
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