Complex sentence: The club also differs from MC's in that they have what is called an "Armoured" membership, this is for persons who would normally qualify for membership, but due to illness or disability are now unable to ride a motorcycle.
Split into simpler sentences: The club also differs from MCs in that they have what is called an "Armoured" membership. This is for people who would normally qualify for membership, but due to illness or disability are now unable to ride a motorcycle.