TR2-4 cross tube rear (large) 1¾” original size outside diameter and fits at the rear of the chassis, it is 1135mm long. The tube is prone to rotting hence the need for a spare part. If the chassis is otherwise in good condition, please consider repair part 201990R

This part is listed on the following page of the website, where further information and background reading may be found.

This part appears on the following Triumph Catalogue Plates