Trek bike assembly - Expert guidance for every bike build

Trek's direct-to-home shipped bikes are easy to build right out of the box. They come mostly assembled with all the tools you need, in a box that even doubles as your workspace. Ready to get started? Check out our handy how-to videos below for expert bike assembly instruction.

Bike assembly videos and guides

City bikes and electric city bikes

Road, gravel, and electric road bikes

Mountain bikes and electric mountain bikes

Kids' bikes

If you want to return your bike for any reason within 30 days of purchase, you can follow these step-by-step instructions on how to repackage your ride.

Kids bikes Drop bar bikes Flat bar bikes

Your bike comes fully assembled. Complete your pre-ride safety check and head out!

Complete your pre-ride check

Click the link below for step-by-step videos and quick assembly guides for Electra bikes.

Learn more

Need a hand?

Chat with us online, give us a call at 1-800-585-8735, or reach out to your local shop.

Find a shop

Your pre-ride checklist

Don't forget to register your bike and do a quick pre-ride safety check before you roll out!

Pre-ride safety check

Love it or we’ll take it back

You have 30 days to test ride your new bike. If you don’t love it, we’ll take it back — no questions asked.

See return details