Which products can be purchased with the batched delivery discount?

The batched delivery discount can only be used for standard self steering systems as they can be ordered from the webshop, including non custom mounting parts.

Everything else, like a wheel adapter, shipping and customization can not be purchased with the discount.
Customization may not be possible to be delivered in the batched delivery months. In that case your system will either be shipped without customization (which will be sent later) or in different month, together with the customization, depending on options and your preferences.