When a stunt rider from the YouTube sensation "Harley Wheelies" group commissions Zach to build a bike, the challenging, big-ticket build comes down to the wire - pushing Zach and his crew to their limits.

When Zach decides to expand his horizons by turning a vintage Triumph into a classic Bobber; his British bike choice drives his builders to the brink.

Zach's quest to convert an ancient Harley Sportster into a flat-track race bike comes down to the wire, pushing the crew to their limits.

When Zach gets the opportunity to follow in his grandfather's footsteps and build his legendary digger; he faces the most difficult challenge of his career.

Zach and his crew face two builds that pull them out of their comfort zone when they must transform a damaged Yamaha into a showpiece sport bike and then give a Harley Dyna the ultimate "girlie makeover."

When Zach gets a big money commission to customize a brand new Harley Road Glide, his ambitious build puts pressure on the team to live up to the client's expectations.

Three generations of Ness bike builders are about to face off at America's legendary Sturgis Motorcycle Rally, an event that attracts more than 400,000 people every year.

Zach and his team take on the unique challenge of customizing a motorcycle known for its exceptional aesthetics and engineering: the Ducati Hypermotard.

Zach and his dad, Cory, look into a full custom project that involves finishing a bike started by one of the best ground-up custom builders and a close family friend who passed away three years ago.