We have taken the following image from the Wahoo Fitness website.

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If you have a Kickr ‘18, you’ll want a Wahoo Kickr Gen 4 Adaptor.

If you have a Kickr ‘17, you’ll want a Wahoo Kickr Gen 3 Adaptor. We haven’t yet got our hands on one of these to develop an adaptor — hopefully early next year. Contact us if you want to be the first to be notified about this product coming out for pre-order.

If you have a Kickr ‘16, or a Kickr' ‘14, you’ll want a Wahoo Kickr Gen 1/2 Adaptor.

If you’re unsure, there’s more information on the Wahoo Fitness website.