The BSS front train holds are essential adjustment components for group chassis OTK (Tony Kart, Kosmic, virtually known ...). This model of 10 mm is designed specifically for rockets 25 mm in diameter. They allow to change the width of the front with absolute accuracy, directly influencing the reactivity and grip of your kart into a turn input.

Manufactured according to quality standards OTK, these holds offer perfect flatness to avoid any constraint on your hub bearings