Robert Adair

38.1K subscribers

225 videos

Hey! I'm Robert. I am a mechanical engineer by trade and have been working as a mechanical engineer for the past 26 years. I enjoy machining and I love bicyc...

Latest Videos

High-end gravel bike for under $3k Cervelo Aspero build.

Building a ghost bike for a fallen cyclist.

Make carbon fiber parts at home with cheap tools.

How to fix broken carbon fiber (the right way).

Building a gravel bike on a budget in 2026.

Regrinding hub bearings to save a $40 set of wheels.

I restored this old Craftsman lathe.

Can I just own a gravel bike and spare road wheels

I built and race-winning gravel bike, then put my name on it.

Sanding brake rotors with light! Using a laser to resurface bike brake rotors.

Making $80 part with a $5000 tool.

Building a fast, lightweight 1X road bike

I restored a milling machine for my birthday. It went well, mostly.

Fixing a defective Chinese branded carbon fiber frame.

Do NOT Buy a Twitter Carbon Frame!

Let's build an Austro Daimler road bike. It'll be fun.

I Took a Gamble on a Chinese Frame - Twitter C6 Build

I made a stem cap out of JB Weld and it actually worked!

I destroyed frame's bottom bracket threads, but I also fixed them. Here's how.

Wahoo designed it so it wouldn't fit, I made it work anyway.

I used my milling machine to make bike parts lighter

Watch me fail, over and over again - 30k outtakes and blooper reel.

Let’s put the Diamondback Century on a diet

Be smart with the upgrades and it'll be worth it!

Upgrading that old road bike may not be worth it

Rebuilding that old road bike might not be worth it

They said electronic shifting is better, so I upgraded

Adding internal cables to my steel mountain bike frame

Converting Steel Frame to Disc Brakes & Thru Axles

I bought a cracked carbon bike frame and fixed it myself.