Yep en anglais :
p117
The wielder, wearer, or bearer: these terms mean the same thing for rules purposes and refer to the model part the Special Item was bought for (and don’t affect its mount).
Models, the wearer’s model, or the bearer’s model: these terms refer to all model parts of the models, including their mounts (note that these terms override the Massive Bulk rules).
p97
Massive Bulk If the model is mounted by a Character, ignore the rider’s Armour Equipment (including Armour Enchantments) and Personal Protections, unless specifically stated otherwise (such as Armour Enchantments that affect the bearer’s model).
Talisman of Shielding 50 pts The bearer gains Aegis (5+).