Motorcycles and Choppers

The Motorcycles and Choppers Channel explores how these machines are built and customized. Learn all about motorcycles and choppers at HowStuffWorks.


Mikey explains why he couldn't accept Senior's invitation to paint at his house, as well as his strategy for losing weight to raise money for a local child with cancer. Then the PJD crew weighs in on Senior's Apprentice appearance.

Find out how Rick met his fiancee, whether Senior had ever driven an 18-wheeler before, and how everyone feels about Junior replacing the OCC logo with Paul Jr. Designs on the Black Widow.

As they assemble the John Christner Trucking old-school bike -- Senior and Rick's favorite kind. -- the OCC crew rib each other about the gas-tank size, recalling Jesse James' words during Chopper Live.

As they assemble the John Christner Trucking old-school bike -- Senior and Rick's favorite kind -- the OCC crew rib each other about the gas-tank size, recalling Jesse James' words during Chopper Live.

Junior and his mom discuss the personal family issues surrounding the now-very-public death of Grandma Helen.

Wanting to raise money for Will, a local child with cancer, in a weight-loss competition with Montgomery's mayor, Mikey hires a personal trainer to make him sweat. And hurt. A LOT.

When the rear shock on the John Christner Trucking new-school bike doesn't cooperate, and workarounds don't fixing the bottoming-out issue, Mike Ammirati calls in the (new) springs.

After replaying Junior's voice mail expressing his condolences regarding Helen, Senior decides on next steps for getting his family back together.

Does Senior consider Donald Trump his most intimidating client to date, and did the unveil make him nervous? Christian joins the OCC gang in answering viewer questions about the Trump Bike and Senior's Apprentice appearance.

When he runs into issues during the John Christner Trucking new-school bike's fabrication, Mike Ammirati has some creative -- and eye-appealing -- solutions.

As part of its restoration and re-branding, the Paul Jr. Designs crew begins to break down the Black Widow, stirring up a lot of decade-old memories for Vinnie, Junior and Cody.

Mikey and the mayor of Montgomery, New York announce their weight competition to raise money for a local child named Will, who has been fighting leukemia.

After Junior applies his finishing touches, the entire PJD team assembles to start up the One Call Concepts Bike.

Deciding that life is too short, Senior calls Mikey to invite him to a painting session he's hosting for a group of wounded veterans.

On the final day of assembly for One Call Concepts' 811 Bike, it's all -- ALL -- hands on deck.

Team leader on the very first Celebrity Apprentice challenge, Senior calls in some reinforcements (and noise) for help.

In the aftermath of his mother's death, Senior expresses his disappointment in the state of his relationship with his sons to Rick.

Paul Jr. reacts to Mikey's PSA for One Call Concepts, in which he and his assistant Michael show exactly why people should call 811 before they dig.

Rick, Jim and Mike carefully -- verrryyyyy carefully -- assemble the front end and exhaust of the 11-foot-long Trump Bike.

Christian and Nick finish the final assembly on Donald Trump's new, long, loud and very gold chopper.

Jason and the OCC team begin to go over design plans for the Donald Trump bike.

No stranger to family businesses, Donald Trump gives Senior some tough-love advice after hearing about the state of his relationship with Junior.

Donald Trump welcomes Senior to Trump Tower to discuss the design for his chopper, and explains why he chose OCC to build the Trump Bike.

As he watches Chopper Live with his crew, Junior looks back on the live event and offers potential reasons for some of Jesse James' comments during the build-off.

The OCC team works on fabrication of the Trump bike.