(pic is enormous, sorry)
But what's that, dear reader? You've noticed the weird anomaly? A trussrod cover on a Bean? Well that's because the neck is a set maple neck, painted silver. That's the aluminium-necked guitar equivalent of me just scatting the tricky bits when I play guitar. In an even bigger own goal, at least if they'd made it bolt-on, some clever type could have made an aluminium neck upgrade kit for it.
A snip at £1374.