The bikes on the Home and Rental pages are added with the Vamtam Beaver Builder so you have to edit them manually:
! We recommend you to save all column/row layout before editing following this instruction: https://kb.wpbeaverbuilder.com/article/90-save-a-row-column-or-module-for-reuse !
As soon as you hit Book button, you'll access the Booked-WooCommerce products:
Add "Booked Appointments Service" products for each rent-service:
Please note that this option is available if Booked Add-On: WooCommerce Payments is enabled/
Full plugin's documentation: https://getbooked.io/booked-woocommerce/
Payments with WooCommerce — Use Booked with WooCommerce to allow your visitors to purchase their appointments and checkout using WooCommerce.
Please check on the setup instruction here: https://boxystudio.ticksy.com/article/3820/
Vamtam Beaver Themes: Guide to WooCommerce
Go to Appointments > Settings > Custom Fields > Select the calendar > Add the "Product selector" field and the products you've added in the previous step:
You can also customize the booked custom fields and time slots:
Beaver Builder Theme: Guide to Booked Plugin