591364 - Synchro Cone – LT76

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Synchro Cone – LT76 is a synchroniser ring from the synchromesh assembly of the LT76 manual gearbox. It is the friction component that brings the gear and the mainshaft to the same speed during a change. As the gear is selected, the cone is pressed against the matching cone face on the gear; the resulting friction equalises their speeds so the dog teeth can engage cleanly without clashing. The brass cone is a wearing part working in the gear oil. Worn or glazed synchro cones are a common cause of crunching or baulking on the change, particularly when shifting quickly, and are renewed during a gearbox rebuild. Show more