In principle, every retailer can take part in LEASE A BIKE so that the dealer network can be extended regionally without any problems.
It is not possible to sign up for a lease through a “pure“ online retailer (for example, Canyon). For a very good reason: The service of bicycle is extremely important. This can only be guaranteed through the regional specialized trader. Therefore, the conclusion is only possible through this. “Online brands” can be obtained through the regional specialist retailers, though.