Bridgestone Tire Tube 80/100-21 TR4 Ultra Heavy Duty<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Motocross - Ultra Heavy Duty</li><li>TR-4 valve stem</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41T2VedT4cL.jpg" noproxy>