Okay, it’s actually called ‘Abrasive Rubber’ but I couldn’t bring myself to write it in the subject line. If you’re riding wheels with a metal braking surface (and given that it’s February you better be…), Mavic’s Abrasive Rubber will seriously improve and clean the braking surface. Note, if you ride wheels with Mavic’s Exalith surface (the one that feels serrated) don’t use it.
