e duo modular base Duo requires 8 vacuum cups. Do you need more?:I need 4 vacuum cups all adaptors for every bike

all adaptors for every bike type is included as well as a quick release skewer to secure your wheel in place

or your favourite river

You must already own one or more Mount Evo vacuum cups to buy a modular base

Specifically

both racks ensure a strong

e duo modular base Duo requires 8 vacuum cups. Do you need more?:I need 4 vacuum cups all adaptors for every bikeE Duo Modular Base includes everything you need to mount two electric bikes except vacuum cups. You must already own one or more Mount Evo vacuum cups to buy a modular base. E Duo is our bike rack designed for two e bikes, positioned side by side. Whether you're on your mountain, road or gravel bike, E Duo ensures you're ready for the road or trail. For all the info you need on E Duo, click here.