How durable are the chain idler wheels?

Answer

The chain idler wheels spin on sealed bearings and are attached to the frame with an idler axle bolt. Their job is to guide the long chain through its journey from the front chainrings to the rear cogs with as little resistance and noise as possible.
Q&A Related to "How durable are the chain idler wheels?"
The chain idler wheels spin on sealed bearings and are attached to the frame with an idler axle bolt. Their job is to guide the long chain through its journey from the front chainrings
http://www.utahtrikes.com/UT2-UTWHYRIDEATRIKE.html
The chain idler wheels spin on sealed bearings and are attached to the frame with an idler axle bolt. Their job is to guide the long chain through its journey from the front chainrings
http://www.utahtrikes.com/UT2-UTFAQ.html
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