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Here's another version of the same-style rear tire. This tire is prepared for conditions in which gaining side bite is not as much of a concern or the track is very rough and tire wear must be minimized. The same groove pattern is here, but the sipes have only been cut across the tread of the tire (not around the circumference) to maximize forward bite. When siping a tire, Wright says it is important to keep the cuts as parallel as possible.