Michelin tubes are absolutely the best quality front tire tube available for trials. Able to withstand the pounding of the rocks day after day! Fits all modern and vintage bikes with a 4.00/4.50 18" rear tire.

Features:
* Overlap splice which is stronger than the butt splice used on most tubes
* Splice is always placed opposite the valve stem to help balance the tube
* Used by those who want the very best