_delivery.html.erb

<h5 class="stock-shipping-method-title"><%= Spree.t(:shipping_method) %></h5>
          <ul class="field radios shipping-methods">
            <% ship_form.object.shipping_rates.each do |rate| %>
              <li class="shipping-method">
                <label>
                  <%= ship_form.radio_button :selected_shipping_rate_id, rate.id %>
                  <span class="rate-name"><%= rate.name %></span>
                  <span class="rate-cost"><%= number_to_currency rate.cost %></span>
                </label>
              </li><br />
            <% end %>
          </ul>
        </div>