Contents
- 1 From Keirin Racing Velodromes to Texas: The Carbon Fiber Revolution
- 1.1 The Keirin Racing Connection: Understanding Bridgestone’s Track Heritage
- 1.2 Technical Excellence: Breaking Down the PHM9’s Competition-Grade Components
- 1.3 KGS Bikes Custom Build: Where Keirin Racing Inspiration Meets American Craftsmanship
- 1.4 Carbon vs Steel: How Modern Track Bikes Challenge Velodrome Traditions
From Keirin Racing Velodromes to Texas: The Carbon Fiber Revolution

While traditional keirin racing requires steel frames from
master builders, modern manufacturers like Bridgestone now create carbon fiber track machines. The Bridgestone PHM9 Sprint represents a unique shift in Japanese cycling. Therefore, this bike bridges two worlds – respecting velodrome heritage while embracing new technology.
The Keirin Racing Connection: Understanding Bridgestone’s Track Heritage

Track cycling dominates Japan’s sporting culture. Moreover, keirin racing generates billions in betting revenue annually. Consequently, the sport maintains strict equipment regulations. Traditional keirin bicycles must use steel frames built by certified Japanese craftsmen. However, Bridgestone operates in both markets simultaneously.

The company produces regulation steel bikes for professional keirin racers. Meanwhile, they develop carbon fiber models like the PHM9 for international track competition. Furthermore, this dual approach lets Bridgestone apply velodrome-derived knowledge to modern designs. The result combines Japanese precision with contemporary materials.

Bridgestone’s track bikes reflect decades of velodrome experience. Additionally, their carbon frames incorporate geometry lessons from steel racing machines. The PHM9 specifically targets sprint events where stiffness matters most. Thus, riders get Japanese track wisdom in a modern package. “cyclists can improve their sprint training with professional resistance rollers or magnetic trainer units available on Amazon.” See Associated Disclaimer below
Technical Excellence: Breaking Down the PHM9’s Competition-Grade Components

The PHM9 build features carefully selected components. First, the Mavic Comete and IO wheels provide different advantages. The Comete disc wheel maximizes aerodynamics for time trials. Meanwhile, the IO front rim balances weight with wind-cutting performance. Together, these wheels suit various track disciplines.

The Sugino Zen crankset stands as the build’s centerpiece. Furthermore, this Japanese-made component delivers exceptional power transfer. Track sprinters need instant response when accelerating. Therefore, the Zen’s oversized spindle eliminates flex under maximum torque. Additionally, its precise machining ensures smooth pedaling at high cadences.
Nitto handlebars and seatpost complete the cockpit setup. These components come from another respected Japanese manufacturer. Moreover, Nitto’s track bars offer multiple hand positions for different events. The aluminum construction keeps weight reasonable while maintaining stiffness. Subsequently, riders experience direct steering feedback during aggressive efforts. “Achieve similar aerodynamic gains with affordable carbon handlebars that offer multiple grip positions.“

The Kashimax Five Gold saddle adds classic Japanese style. However, its design goes beyond aesthetics. The padding density suits track cycling’s forward position. Furthermore, the saddle’s profile prevents sliding during powerful accelerations. Track racers need stable contact points, and this saddle delivers consistently.
KGS Bikes Custom Build: Where Keirin Racing Inspiration Meets American Craftsmanship

Kevin Saunders at KGS Bikes assembled this particular PHM9. His Texas shop specializes in premium bicycle builds. Moreover, Saunders understands Japanese cycling culture deeply. Therefore, his builds respect the original design intent while adding personal touches.

KGS Bikes uses their Balance Point positioning system for each build. This fitting method ensures optimal power output on track bikes. Additionally, proper position prevents injury during intense velodrome training. Sprint events demand explosive efforts, making bike fit crucial. Consequently, riders achieve better results through precise positioning. “Home mechanics can achieve professional results using bike work stands and torque wrench sets found on Amazon.” See Associated Disclaimer below
The shop’s attention to detail shows throughout the build. First, component selection matches the frame’s capabilities perfectly. Second, the assembly quality meets professional racing standards. Furthermore, each part installation follows manufacturer torque specifications exactly. This precision reflects both American craftsmanship and Japanese perfectionism.

KGS previously built the acclaimed Parlee Z1 Lion Rampant. That project demonstrated their custom build expertise clearly. Now, this Bridgestone showcases their track cycling knowledge. Subsequently, the shop has established itself as a destination for Japanese bike enthusiasts.
Carbon vs Steel: How Modern Track Bikes Challenge Velodrome Traditions

Professional Japanese track competitions maintain strict steel frame requirements. These rules preserve the sport’s traditional character. However, international track cycling embraces carbon fiber technology. Therefore, manufacturers must serve both markets differently.
“Whether building carbon or steel, find Japanese-made components, track bike accessories, and specialized tools.”
Carbon fiber offers clear performance advantages. First, it provides superior stiffness-to-weight ratios. Second, manufacturers can optimize tube shapes for aerodynamics. Additionally, carbon frames absorb road vibration better than steel. Nevertheless, Japan’s governing body resists these changes.
The steel frame requirement keeps professional track events accessible. Moreover, it maintains the craft of traditional frame building. Japanese torch masters continue passing skills to apprentices. Consequently, this preserves an important cultural tradition. Meanwhile, carbon bikes like the PHM9 compete internationally.

Bridgestone navigates both worlds successfully. They respect the steel frame heritage completely. Simultaneously, they develop cutting-edge carbon machines for global competition. This dual strategy serves different rider needs effectively. Furthermore, knowledge flows between both product lines.
Modern velodromes see increasing carbon fiber adoption. However, Japan’s professional tracks remain steel-only zones. This divide will likely continue indefinitely. Nevertheless, both materials have their place in track cycling. The PHM9 represents carbon’s advantages, while steel maintains tradition.
Track cycling’s future includes both materials. Moreover, each serves specific purposes within the sport. Bridgestone understands this balance perfectly. Therefore, they continue developing both technologies simultaneously. The PHM9 showcases what’s possible with carbon, while respecting where the sport originated.
“Essential Cycling Gear:”
- Park Tool PCS-10.3 Home Mechanic Bike Repair Stand
- Build and maintain your track bike like the pros with this best-selling work stand that holds bikes securely during assembly.
- Garmin Edge 530 GPS Bike Computer
- Track your velodrome training data including speed, cadence, and power output with this top-rated cycling computer.
- Elite Direto XR Smart Trainer
- Bring track-intensity training indoors with this direct-drive smart trainer that simulates sprint intervals and power workouts.
- Finish Line Professional Bike Care Set
- Keep your track machine running smoothly with this complete cleaning and lubrication kit used by mechanics worldwide.
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