September 2026 Signature Build Challenge

Design the next Signature Build

Every month the Mantini community helps shape what's next. Community voting determines this month's Top 10 finalists. Sam and Frank then select one official Signature Build to represent Mantini the following month.

Design your build Explore Signature Builds

Submissions close in9d 03h 57m 22s

Join hundreds of builders helping shape the future of Mantini.

★ Winner

Signature Build

Last month's winner, Dillon

Become Part of Mantini History

Winning isn't just about prizes. It's about seeing your design become part of Mantini history, and earning rewards when your creativity inspires someone else to build it.

$250 Build Credit

Redeemable toward any Mantini bike, frame kit, parts, accessories, or future merchandise.

Exclusive Builder Shirt

Never sold. Only earned by official Signature Build winners.

Your Design Featured

Your winning build becomes Mantini's official Signature Build for the following month.

Gold Builder Badge

Permanent recognition displayed on your Mantini profile.

Hall of Fame

Your build is permanently archived as part of Mantini history.

Bonus

Keep Earning

Earn another $250 Build Credit each time someone buys your featured build that month.

Four steps to leave your mark.

Become part of Mantini history in four simple steps.

Design & Enter

Build your dream MBK-1

Community Votes

Top 10 finalists selected

Sam & Frank Choose

Official Signature Build chosen

Hall of Fame

Permanent recognition

Design & Enter

Build your dream MBK-1 and submit one entry before submissions close.

Community Votes

The community votes to determine this month's Top 10 finalists.

Sam & Frank Choose

Sam & Frank review the finalists and select the official Signature Build.

Hall of Fame

The winner earns rewards and becomes a permanent part of Mantini history.

Taylor Made

by Bubba · California

Voting opens soon

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John deer

by Dillon · MO

Voting opens soon

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BIG T

by Owen · TEXAS

Voting opens soon

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