undertread
Look at other dictionaries:
undertread — See breaker. A cushioning layer between the belt layers and the tread in radial tires … Dictionary of automotive terms
groove cracks — Splitting or cracking of the rubber (undertread) at the base of the grooves, between tread ribs. Primarily caused by growth in textile casings … Dictionary of automotive terms
shredded wire — Short pieces of fine steel wire mixed into a tread or undertread compound … Dictionary of automotive terms
