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SE Racing was a BMX bicycle company which was founded in 1977 by Scot Breithaupt (Scot Enterprises) in Long Beach, California. The company manufactured the PK Ripper BMX bike, Quadangle, Bronco, Assassin, OM Flyer, and the Floval Flyer.[1] The PK Ripper is the longest running production BMX bike.

Key Information

History

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SE Racing

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The company was originally called Scot Enterprises and later SE Racing. SE Racing began experimenting with flat oval aluminum tubing that they called Floval.[2] In 1977 SE Racing produced the JU-6 which was named after Jeff Utterback from their racing team. He finished 6th nationally.[3] The Floval frame featured elongated aluminum tubes with long welds which eliminated the need for Gusset plates. The aluminum frame was also one third the weight of Chromoly. The Floval also had 24″ wheels.[4]

In 1979 the PK Ripper was manufactured by SE Racing. The bike was named for BMX racer Perry Kramer. When the bike was introduced it was considered cutting edge, and 2000 units were sold before the company had shipped any units.[3] The PK Ripper is the longest production BMX bike and is still in production as of 2022.[5]

SE Bikes

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SE Racing is now called (SE Bikes).[5] They continue to produce the PK Ripper and the Floval Flyer.[6] The company has collaborated with the shoe company Vans to create BMX shoes.[7]

BikeCo, LLC is the distributor of SE Bikes, and they are headquartered in Philadelphia.[8]

See also

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References

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Revisions and contributorsEdit on WikipediaRead on Wikipedia

SE Racing

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SE Bikes, originally established as SE Racing in 1977 by racer and pioneer Scot Breithaupt, is an American bicycle manufacturer renowned for its and freestyle bicycles. As the first rider-owned company in the industry, it revolutionized the sport by producing high-performance, innovative bikes that helped propel from local tracks to a global phenomenon, with iconic models like the PK Ripper enduring as symbols of the era. Breithaupt, who began promoting BMX events at age 14 by organizing Southern California's first official race in 1970 and founding the Bicycle United Motocross Society (B.U.M.S.), launched SE Racing to fund his racing endeavors and create superior equipment for riders. The company's debut product, the JU-6 race bike released in 1978, featured groundbreaking Floval tubing and aluminum construction, marking the first high-end race-ready frame. By the late 1970s, SE had introduced the PK Ripper—co-designed with racer Perry Kramer and strengthened by a unique —solidifying its reputation for durability and speed amid the sport's explosive growth. Under Breithaupt's vision of "BMX Innovations," SE Racing expanded internationally, sponsoring top riders and influencing culture through the and beyond, even as the founder faced personal challenges before his death in 2015 at age 57. Today, as SE Bikes under BikeCo ownership, the brand continues to thrive, offering a diverse range of retro-inspired and modern models in wheel sizes from 16" to 29"+, including 27.5" fat-tire variants like the OM Duro and Big Ripper series, while honoring its legacy as a cornerstone of bicycle .

History

Founding and Early Development

Scot Breithaupt, born on July 14, 1957, in Long Beach, California, emerged as a pivotal figure in the origins of BMX racing during his teenage years. At age 13, inspired by motocross riding on his Yamaha, he began promoting informal "Pedal-Cross" races using Schwinn Sting-Ray bicycles on dirt lots in Long Beach, adapting motorcycle tracks for bicycle competition. These events quickly gained traction among local youth, evolving from small gatherings to structured races that laid the groundwork for organized BMX. In November 1970, Breithaupt organized the first official race at the BUMS I track in Long Beach, a 450-yard course featuring a 35-foot jump that drew 35 participants initially and grew to 150 the following week. By 1974, his promotional efforts had scaled significantly, culminating in the Yamaha Bicycle Gold Cup state championship at the , which attracted 16,000 spectators and over 1,100 riders. These early races, supported by Breithaupt's Bicycle United Sports (BUMS) organization, helped standardize BMX rules and fostered its growth as a distinct sport separate from . Breithaupt founded SE Racing in mid-1977 at the age of 20, establishing it as Scott Enterprises (SE) after departing from the FMF racing team, where he had achieved success as a competitor. Self-funded through revenues from his race promotions and ventures under Scot Enterprises, the company was conceived to support Breithaupt's ongoing racing career while addressing the need for specialized equipment. Operating initially as a rider-owned enterprise from a small facility in , SE focused on manufacturing custom frames and components tailored to competitive demands. The company's debut product was the JU-6 race bike released in 1978, featuring groundbreaking Floval tubing and aluminum construction. This high-end design emphasized lightweight strength, setting SE apart in the nascent market. To build its racing presence, SE sponsored elite riders in 1977 and 1978, including national top-10 contenders Stu Thomsen, Greg Hill, and Jeff Utterback, who helped showcase the brand's equipment in high-profile events. By 1978, SE Racing had incorporated as SE Racing BMX Innovations and achieved rapid growth through support, including nationwide promotional tours and direct involvement in local race scenes. The demand for its frames surged, resulting in over 2,000 back orders within the first year, positioning SE as a dominant player in the emerging industry and influencing its technical and cultural development.

Expansion and Peak Era

During the early 1980s, SE Racing experienced significant commercial expansion amid the broader boom, transitioning from contracted manufacturing to in-house production through the establishment of Scot Industries in 1980, which enabled rapid scaling of operations. The company relocated to a 4,500-square-foot facility in , in 1981 to accommodate growing demand, achieving peak frame sales that year with 12,281 units of popular models like the PK Ripper and Mini Ripper. Distribution expanded through major retailers, capitalizing on the sport's surging popularity, though by early 1984, SE began outsourcing complete bicycle assembly to factories in to meet escalating orders. This period marked SE's integration into the mainstream market, with the PK Ripper—originally developed in collaboration with racer Perry Kramer—becoming a that exemplified the brand's focus on lightweight, high-performance designs. SE Racing's factory racing team solidified the brand's prestige through consistent dominance in major sanctioning bodies, including the NBA, NBL, and NPSA, during the late 1970s and into the 1980s. Notable achievements included Stu Thomsen's 1979 ABA National No. 1 Pro title and Toby Henderson's 1984 National No. 1 Cruiser Rider accolade, contributing to multiple national championships and highlighting SE's role in advancing competitive . Founder Scot Breithaupt, revered as the "O.M. of BMX" (Original Man) for his pioneering influence on the sport since the 1970s, further elevated the team's profile through sponsorships and event involvement. The team's success, including sweeps in key races like the 1974 Yamaha Gold Cup final (with later 1980s extensions), underscored SE's commitment to performance-oriented equipment that powered riders to victories across domestic circuits. Product diversification accelerated with innovations aimed at enhancing rigidity and speed, such as the Quadangle frame, which transitioned to a chromoly construction in 1982 for superior strength and handling on the track. SE also pioneered aluminum components through a with Race Inc., which fabricated the brand's early frames and parts until 1983, setting benchmarks for in . The 1983 introduction of the Floval Flyer further exemplified this focus, incorporating bi-oval tubing for optimized aerodynamics and stiffness. By 1985, refinements like the redesigned PK Ripper seat mast continued to refine these advancements, aligning with SE's participation in high-profile events such as nationwide tours and world championships sponsorships. Culturally, SE Racing shaped aesthetics during this era with bold, eye-catching graphics and minimalist, high-performance designs that influenced industry standards for freestyle and bikes. The brand's emphasis on innovative, rider-centric features—like gusseted frames and custom aluminum elements—helped transition from a niche activity to a commercially viable , inspiring a generation of enthusiasts and setting stylistic precedents still echoed in modern retrospectives.

Decline and Ownership Changes

In the late 1980s, the BMX industry began experiencing a decline as public safety concerns over high-risk riding led major manufacturers like Schwinn to hesitate in fully committing to the market. This shift was compounded by the rapid rise of , which emerged as a more accessible and versatile off-road alternative, drawing riders and investment away from and freestyle. SE Racing faced intensified competition from established giants like Schwinn, whose broader distribution networks and diverse product lines pressured smaller specialists amid slowing BMX sales. By the early 1990s, SE Racing entered a challenging period under foreign investment from Chinese partners, who acquired a stake around 1990-1991 but provided limited funding for marketing and operations, resulting in stagnant growth and internal frustrations. Founder Scot Breithaupt had reduced his day-to-day involvement by the mid-1980s, leaving key figures like designer Mike Devitt to manage amid these constraints, which contributed to a described "terrible eight-year period" of underinvestment. Declining demand led to broader industry , with SE Racing downsizing facilities and facing sales pressures from cheaper imports, though specific layoffs are not detailed in records. The company's U.S. operations ceased on October 15, 1999, marking the end of original SE Racing production after Breithaupt's unsuccessful bid to buy out the foreign partners, who withdrew support due to unresolved disputes. This closure halted domestic manufacturing, with the last U.S.-made frames, including PK Rippers, produced that year. In August 2002, the brand was acquired by U.S.-based Advanced Sports International (ASI), a Philadelphia-headquartered firm specializing in brands, leading to a revival under the rebranded SE Bikes name. ASI shifted production overseas to for cost efficiency, focusing on global distribution while preserving SE's heritage. Following ASI's in 2018, SE Bikes was acquired in 2019 by BikeCo, a of investment firms Tiger Capital Group and Advanced Holdings, for $16.1 million, ensuring continuity under new U.S. ownership. Breithaupt had no further operational role after 1999 and passed away in 2015 at age 57. Under BikeCo, the brand has emphasized nostalgia-driven products, such as retro reissues, distinguishing the original SE Racing era (1977-1999) from the modern SE Bikes line (2002-present).

Products and Innovations

Iconic Bicycle Models

SE Racing's PK Ripper, introduced in as the company's flagship model, quickly became an enduring icon. Named after professional racer Perry "PK" Kramer, who contributed to its frame modifications, the bike featured a high-end aluminum alloy frame with innovative Floval tubing and a at the top tube junction for added strength. It utilized 20-inch wheels, an aggressive racing geometry, and a 4130 chromoly fork, resulting in a lightweight design weighing approximately 25.5 pounds. This combination emphasized speed and maneuverability, making it a dominant choice in professional during the late 1970s and early 1980s. The company's debut product, the JU-6 race bike released in 1978, featured groundbreaking Floval tubing and aluminum construction, marking the first high-end race-ready frame and influencing subsequent models like the PK Ripper. The Quadangle, launched in 1979 as the STR-1 and refined by 1982 with square-tubed construction, represented a bold in frame , enhancing torsional for superior power transfer on the track. Constructed from Reynolds 531 manganese-molybdenum chromoly tubing, the 1982 model featured a double downtube and was paired with a 4130 chromoly fork, optimizing it for professional racing applications. Its innovative geometry influenced subsequent frame standards, prioritizing rigidity without sacrificing ride quality, and it saw widespread use among elite racers. Among other notable models from the era, the Floval Flyer 24 emerged around 1980-1981 as a cruiser variant equipped with 24-inch wheels, offering extended stability for older riders transitioning from smaller setups. The SE Racing Team Issue bicycles, produced throughout the 1980s, were custom-built for professional team members and featured unique liveries tailored to individual riders, incorporating high-performance components like reinforced frames and specialized graphics. The Quadangle Freestyle, introduced in 1984, built on the Quadangle lineage with modifications for freestyle applications, providing greater balance and durability during tricks and jumps. SE Racing's design philosophy centered on balancing durability, speed, and aesthetic appeal, drawing inspiration from culture through bold, flame-like decals and custom graphics that evoked customized automobiles. incorporated reinforcements like gussets and high-strength materials to withstand intense demands, while geometries were tuned for rapid acceleration and precise handling. This approach not only elevated performance but also cultivated a distinctive visual style that resonated within BMX's emerging .

Components and Accessories

SE Racing's components and accessories emphasized durability and performance for , with a focus on high-strength materials designed for competitive demands. Early frames and forks incorporated chromoly tubing, such as the 1978 SE frame featuring butted tubing to reduce weight without compromising structural integrity. Later experiments with aluminum frames were conducted through a collaboration with Race Inc., continuing until 1981 when production shifted in-house. The drivetrain components included the SE 3-piece cranks, introduced in 1979 and equipped with sealed bearings to enhance durability under high-stress racing conditions. Sprockets and chains were optimized for the standard 44/16 gearing prevalent in BMX racing, providing efficient power transfer and reliability during sprints and jumps. Braking and control systems in the late 1980s featured detangler systems for the rear brake, allowing for unrestricted handlebar spins while maintaining stopping power in freestyle riding. Padded stem designs improved rider safety by reducing impact risks, complemented by SE grips and pedals constructed from lightweight alloy for better grip and pedal efficiency. Other innovations encompassed custom decals and distinctive paint schemes that became synonymous with SE's branding, along with limited-run parts like the 1985 SE headsets incorporating sealed bearings for smoother steering and reduced maintenance. All components were manufactured in-house until 1999, prioritizing high-strength materials like chromoly and aluminum to withstand the rigors of professional use.

Legacy and Influence

Impact on BMX Culture

SE Racing played a pivotal role in professionalizing during the 1970s, transitioning the sport from informal backyard gatherings to organized, sanctioned competitions. Founder Scot Breithaupt organized the first official BMX race in a vacant lot in , in 1970 at the age of 13, drawing from motorcycle influences to establish structured "Pedal-Cross" events. Through his early promotion efforts, including founding the Bicycle United Motocross Society (B.U.M.S.) and producing the inaugural California State Championships in 1972, Breithaupt helped formalize rules and venues that elevated 's legitimacy. SE Racing further advanced this by sponsoring professional teams in the late 1970s and early 1980s, featuring top riders like Stu Thomsen, Greg Hill, and Jeff Utterback, which increased rider visibility and attracted corporate investment to the sport. The brand's PK Ripper model emerged as a of 1980s BMX, symbolizing rebellion, speed, and the era's freestyle ethos. Introduced in 1979 and named after sponsored rider Perry Kramer, the bike's distinctive floval tubing and aggressive design captured the high-energy spirit of youth counterculture, influencing BMX fashion with its bold colors and graphics that extended to apparel and accessories. It appeared prominently in media, including the 1986 Rad, where it represented the pinnacle of BMX racing prowess and helped popularize the sport among mainstream audiences. The PK Ripper's ties to punk and rock scenes were evident in its adoption by musicians and performers, reinforcing BMX as a of and edge. SE Racing fostered community building through initiatives, notably the 1977 SE Racing Series, which organized local events to encourage widespread participation among young riders. These series events created accessible entry points for newcomers, building a sense of camaraderie and skill development at tracks nationwide. The brand's "rider-owned" ethos, embodied by Breithaupt's hands-on approach as both racer and entrepreneur, inspired a generation of independent figures and emphasized authenticity in an emerging industry. The company's global reach in the amplified BMX's international appeal, with exports to and introducing high-performance bikes that standardized racing formats abroad. This expansion contributed to BMX's recognition as an Olympic in 2003 by the , as SE's durable, innovative designs helped establish the sport's competitive infrastructure worldwide. Breithaupt's writings, including his influential "Scotomania" column in Bicycle Motocross Action magazine, shaped global narratives by chronicling races, rider stories, and technical advancements, further solidifying BMX's cultural footprint. SE Racing's emphasis on fitness and calculated risk-taking had lasting social impact, promoting through accessible that encouraged outdoor engagement and resilience among children and teens. In the , amid debates over safety—sparked by concerns over high-speed crashes and inadequate protective gear—the brand navigated controversies by prioritizing durable designs, such as reinforced frames in models like the PK Ripper, which enhanced rider confidence without compromising performance.

Modern Reissues and Revivals

In 2002, SE Racing was acquired by Advanced Sports International (ASI), marking the beginning of a revival that saw the reintroduction of classic models with modernized specifications to appeal to contemporary riders while honoring the brand's heritage. Under ASI's ownership, production shifted primarily to facilities in Taiwan and China, enabling cost efficiencies through scaled manufacturing without compromising the core design ethos of SE's original bicycles. This era focused on updating iconic frames like the PK Ripper with improved materials, such as 6061 aluminum tubing, and components suited for freeride and lifestyle riding, helping SE regain market presence in the BMX segment. The transition to BikeCo, LLC in 2019, following ASI's asset sale, further propelled SE Bikes into a new phase of innovation under the "Powered by BikeCo" banner, with the launch of the Retro Series emphasizing oversized wheels for enhanced stability and performance. A prime example is the 29"+ Big Ripper introduced in 2012, which combined vintage aesthetics—like the looptail frame inspired by the original PK Ripper—with modern freeride capabilities, including wider tires and reinforced geometry for adult riders. This series catered to the growing demand for nostalgic yet versatile cruisers, blending SE's foundational legacy with adaptations for urban and trail environments. Into the 2020s, SE Bikes expanded its lineup with standout models like the Beast Mode Ripper, featuring 27.5" wheels and designed as star Marshawn Lynch's signature bike, prioritizing durability through a 6066 aluminum frame and disc brakes for aggressive riding. Collaborations, such as the 2014 partnership with Santa Cruz Skateboards for a Screaming Hand-themed 29" Big Ripper, highlighted SE's crossover appeal in skate and cultures, while an emphasis on adult-sized cruisers continued with releases like the 2017 40th anniversary PK Ripper, updating the original with period-correct components for commemorative appeal. Market strategies leveraged through campaigns and events, including the annual Rideout, tying new drops to brand milestones to engage enthusiasts. As of 2025, SE Bikes positions itself as a premium lifestyle brand, with sales channeled through specialty shops and direct online channels via BikeCo's distribution network, sustaining growth through limited-edition revivals and innovative oversized models like the Colossal Ripper.

References

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  2. https://www.bmxproducts.com/pages/the-history-of-se-racing-as-told-by-mike-devitt-2001
  3. https://www.latimes.com/local/obituaries/la-me--scot-breithaupt-20150707-story.html
  4. https://bmxultra.com/interview/scotb/
  5. https://bmxultra.com/interview/scotb_seracing/
  6. https://bmxultra.com/archive/prosection/inside/scotb_seracing.htm
  7. https://www.sebikes.com/blogs/news/se-legend-stu-thomsen
  8. https://bmxmuseum.com/bikes/info/183/
  9. https://bmxmuseum.com/bikes/race_inc/
  10. https://www.sebikes.com/blogs/news/retro-series
  11. https://www.desertsun.com/story/news/2015/07/09/wheels-came/29918467/
  12. https://www.dougbarnesauthor.com/2021/04/schwinn-bicycle-catalogs.html
  13. https://www.bikeforums.net/classic-vintage/1056418-so-why-did-schwinn-become-so-uncool-eighties-8.html
  14. https://steveemigthewhitebear.substack.com/p/bmx-is-dead-long-live-bmx-the-2020s
  15. https://bmxmuseum.com/forums/viewtopic.php?id=804622
  16. https://bmxmuseum.com/bikes/se_racing/
  17. https://www.advancedsports.com/contactus.php
  18. https://www.bicycleretailer.com/industry-news/2019/02/18/asi-ready-business-new-owners-say
  19. https://www.bikecollc.com/
  20. https://www.sebikes.com/blogs/news/se-legend-perry-pk-kramer
  21. https://oldschoolmags.com/tests/SE_PK_Ripper-BMXA_8106.pdf
  22. https://www.sebikes.com/blogs/news/pk-ripper-through-the-years
  23. https://oldschoolmags.com/tests/SE_Quadangle_BMXA8301.pdf
  24. https://bmxmuseum.com/bikes/se_racing/11776
  25. https://www.sebikes.com/products/se-racing-retro-sticker-set
  26. https://www.thepomonan.com/film/2025/3/18/rad-the-bmx-cult-classic-that-defined-a-generation
  27. https://digbmx.com/dig-this/scot-breithaupt-in-memory
  28. https://www.usabmx.com/news-and-media/General/2012-04-26/SE-Bikes
  29. https://www.cnn.com/2017/10/20/health/bmx-bike-race-fit-nation
  30. https://www.sebikes.com/blogs/news/tour-of-the-se-bikes-factory
  31. https://www.bmx-catalogue.com/se-racing/year.html
  32. https://www.bikeroar.com/products/se-bikes/29-big-ripper-2012/specs
  33. https://www.sebikes.com/products/beast-mode-ripper-275-23
  34. https://bmxultra.com/news/the-se-bikes-santa-cruz-big-ripper/
  35. https://bmxultra.com/news/new-2017-line-of-se-bikes/
  36. https://www.sebikes.com/blogs/news/the-pk-ripper
  37. https://www.sebikes.com/
  38. https://www.facebook.com/SEBIKES/videos/the-se-bikes-colossal-ripper-revealed/1254820915697986/
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