Spank spike race 28 bead bite mtb rimspank industries spank race 28 rim has been a long time favourite of the gravity fed from the cliffs of virgin utah to the steeps of the world cup with a trim 22 5mm inner width the spike race 28 provides a more rounded profile to a tyre reducing rolling resistance and improving manoeuvrability for a quicker more racy feel on track it features a bombproof dynamal alloy construction paired with spanks unique oohbah rim design make the spike race 28