There are no stupid questions mate only stupid answers :happy:
Both the answers above are correct but the term 10 or 12 bolt rear does actually refer to the number of bolts holding the crown wheel to the carrier .
A quick way to tell at a glance if you look under the back of a car ; a 10 bolt in all it's variations always has a cover bolt in the centre at the bottom , i.e. the 6 O'clock position , on a 12 bolt you'll see 'em at 5 & 7 O'clock .
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