Serial 1’s 1-OFF Series Creates and Auctions Handbuilt, Single-Edition Custom eBikes, This One to Benefit the just keep livin Foundation

MILWAUKEE — October 29, 2021 —  Serial 1 has unveiled the second custom, single-edition eBike available for auction in its 1-OFF Series today. The auction for the MOSH/BMX, a one-of-a-kind eBike that recalls the glory days of BMX bikes from the early 1980s, begins this morning at The action which is open to any bidder anywhere in the world will close at 5 PM MDT on Tuesday, November 2nd, awarding the one-of-one eBike to the highest bidder.

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The MOSH/BMX was once again constructed by Warren Heir, Jr. and Kendall Lutchman at JR’s Fabrication and Welding in Milwaukee, Wisconsin. The custom eBike maintains all the features and functionality of the standard MOSH/CTY, including the maintenance-free Gates Carbon Drive belt, powerful Brose mid-mount motor, smooth TRP hydraulic disc brakes, and internally routed cables and wires. Custom modifications include:

  • A high-rise, 9-inch BMX bar with internal cable routing
  • A front-mounted cargo basket with custom stainless-steel rack
  • A striking, two-color fade paint job
  • Authentic BMX details including a Viscount Dominator saddle, ODI Mushroom grips, and bear-trap pedals
  • Aggressive Schwalbe Hans Dampf knobby tires
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“For this second 1-OFF build we sought inspiration from iconic BMX bikes of the early ‘80s,” says Aaron Frank, Brand Director at Serial 1. “One ride brings you right back to the suburbs of your youth, ripping skids, jumping curbs, and racing everywhere in a pack of your closest friends.”

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All proceeds from this auction will benefit the just keep livin Foundation, a non-profit founded by Camila and Matthew McConaughey that is committed to empowering high-school students by providing them the tools to lead active lives and make healthy choices for a better future. 

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For downloadable images and videos of the MOSH/BMX, visit For more information on Serial 1’s 1-OFF Series, or to participate in the auction, visit To find out more about just keep livin Foundation, go to

About Serial 1

Serial 1 offers premium eBicycles that are guided by intelligent, human-centered design and crafted using the most advanced bicycle technology available, to create the easiest and most intuitive way to experience the fun, freedom, and instant adventure of riding a pedal-assist electric bicycle. Find out more by visiting

About Twotone Amsterdam

The roots of Twotone go back in 2007, when Twotone’s founder – Jon Woodroof – cofounded a fixed-gear focused bike shop in Atlanta, GA named No Brakes. His clothes nearly always matched his track bike & he earned the nickname Twotone. Jon cut his teeth on promoting his own shop, the brands they sold, and even suppliers, athletes, and other organisations they partnered with all before Instagram!

Those entrepreneurial roots grew into the hold your line, you'll be fine full-send approach to how we run our business today. A 10-year-old nickname became a Dutch BV in 2014 & Twotone has become THE one-stop-shop for cycling-savvy sales, marketing, and PR across Europe in the USA.

Over the course of the past nearly 9 years of helping brands find their way & have their say, we’re grateful for the successes, lessons, and trust! Schedule a meeting to learn more!

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