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			#7  
			
			
			
			
			
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			Marco it's called the adjusting wheel thier are 2 of them, they are up front on thier own spindles , reason being thier is 1" less rubber on them, apposed to the fatter rubber bogie wheels  witch thier are 6 of them, hope that helps. BIG MIKE PS hey DAVE need yopu address for that POL can holder, Thanks laddy | 
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