The Tamiya M-Chassis class is open to any car based on a platform prefixed with "M-", such as the M-07. This is a 2wd class, although some chassis are Fwd and some are Rwd. This is denoted by the number of the chassis, with odd numbers (M-01, M-03, M-05, M-07) being Fwd, and even numbers (M-02, M-04, M-06, M-08) being Rwd. Beginners to this class may want to look at the Fwd chassis first, as the Rwd can be a bit more difficult to handle, particularly if it rains!

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One of the unique things about the M-Chassis platforms is that the wheelbase is interchangeable between short (210mm), medium (225mm), and long (239mm), although not all chassis offer all options. This makes for a huge number of bodyshells being available, creating some fantastic variety in the races.

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This class is governed by some reasonably strict rules, which enables us to keep the racing closer and make sure costs are kept to a minimum whilst still being competitive. Rules such as fixed motor type and fixed gearing mean that the playing field is kept level, with no drivers being at an advantage from a kit point of view, no matter how long they've been racing.