Our chain tensioner with rubber roller for the Coleman BT200X, CT200U Trail, and CT200U-EX mini bikes makes a fine replacement piece for you Coleman. The 1-3/4" rubber roller keeps the chain snug and rolling smoothly.
The chain tensioner is an important part of the drive system and should be replaced if damaged or lost. A faulty chain tensioner can be identified by a loose chain that falls off during ride time.
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