A 3 Rensho Track Bike is this weeks “Japanese Bicycle of the Week”. Owning a 3 Rensho track bike is like holding a piece of cycling history. This masterpiece from the late 1970s to early 1980s embodies the pinnacle of Japanese craftsmanship. Let’s dive into the specifics of this iconic ride and explore what makes it truly exceptional.

3 Rensho bicycles, a name synonymous with quality and performance, were created by the legendary Japanese frame builder Yoshi Konno. Founded in the late 1970s, 3 Rensho quickly rose to prominence in the cycling world, particularly for their track bikes. Konno’s meticulous craftsmanship and innovative designs set a new standard for handcrafted bike frames, earning widespread acclaim and a loyal following.

Tragically, Konno’s career was cut short by a car accident in 1995, but his legacy lives on through the enduring popularity of 3 Rensho bikes. These bicycles are celebrated not only for their exceptional build quality but also for their place in the rich history of cycling.

Frame: 3Rensho – Cherubim 1978-1980 with Suntour 10mm Dropouts

The frame is the heart of any bike, and the 3Rensho – Cherubim is no exception. Handcrafted between 1978 and 1980, this frame stands out for its impeccable build quality and timeless design.

The Suntour 10mm dropouts add a touch of precision and reliability, ensuring a perfect fit for the rear wheel. The frame’s sleek lines and sturdy construction make it a joy to ride and a feast for the eyes.

Fork/Headset: 3Rensho / Shimano Dura-Ace 7400

The 3Rensho fork, paired with the Shimano Dura-Ace 7400 headset, provides a seamless connection between the frame and the front wheel. The Dura-Ace 7400, known for its smooth operation and durability, complements the frame’s quality. This combination ensures responsive handling and a stable ride, essential for track cycling.

Crankset/Bottom Bracket: NJS Shimano Dura-Ace 7500 165mm Arm / Shimano 7500

The NJS-certified Shimano Dura-Ace 7500 crankset with 165mm arms is a powerhouse. Designed for optimal power transfer, it allows cyclists to maximize their speed and efficiency on the track. The Shimano 7500 bottom bracket supports the crankset with its robust and reliable performance, making every pedal stroke count.

Pedals: MKS Sylvan Track / MKS NJS Toe Clips / Wellgo Strap

Pedals are the direct link between rider and machine. The MKS Sylvan Track pedals, equipped with MKS NJS toe clips and Wellgo straps, offer a secure and comfortable connection. This setup ensures that your feet remain firmly in place, providing the confidence to push harder and faster without worrying about slipping.

Drivetrain/Cog/Chainring/Chain: 48×17 / Shimano 48 Teeth BIA / KMC

The 48×17 drivetrain, featuring a Shimano 48 teeth BIA chainring and a KMC chain, strikes a perfect balance between speed and control. This gear ratio is ideal for track racing, offering the right mix of acceleration and top-end speed. The Shimano and KMC components work harmoniously to deliver smooth and reliable performance.

Handlebars/Stem: Nitto B123aa Aluminum 365mm / Nitto Jaguar 100

Handlebars and stem play a crucial role in a bike’s ergonomics. The Nitto B123aa aluminum handlebars, at 365mm wide, provide a comfortable grip and excellent control.

Paired with the Nitto Jaguar 100 stem, this combination offers a stable and responsive steering experience. The classic drop handlebar shape allows for multiple hand positions, catering to different riding styles and preferences.

Saddle/Seatpost: Kashimax Aero NJS / Aero

Comfort and performance meet in the Kashimax Aero NJS saddle. Known for its firm support, it’s a favorite among track cyclists. The Aero seatpost complements the saddle, providing a secure and adjustable platform. This duo ensures that you can maintain an optimal riding position, crucial for long track sessions.

Front Wheel/Hub/Tire: Araya / Dura-Ace 7500 Track Hub / Panaracer Pasela

The front wheel setup features an Araya rim paired with a Dura-Ace 7500 track hub and a Panaracer Pasela tire. Araya rims are renowned for their strength and durability, while the Dura-Ace 7500 hub ensures smooth and reliable rotation. The Panaracer Pasela tire offers excellent grip and comfort, making it a perfect match for the track.

Rear Wheel/Hub/Tire: Araya / Dura-Ace 7500 Track Hub / Panaracer Pasela

Matching the front, the rear wheel also features an Araya rim, Dura-Ace 7500 track hub, and Panaracer Pasela tire. This consistency in components ensures balanced performance and reliability. The rear wheel setup is crucial for maintaining speed and stability, and this combination does not disappoint.

The 3 Rensho track bike is more than just a bicycle; it’s a testament to the art of bike building. Every component, from the frame to the tires, has been carefully selected to deliver unparalleled performance and aesthetics. Whether you’re a seasoned track cyclist or a vintage bike enthusiast, the 3 Rensho offers a ride experience that is both exhilarating and nostalgic.

Its timeless design and superior craftsmanship make it a coveted piece for bike collectors and cycling enthusiasts alike. When you ride a 3 Rensho, you’re not just riding a bike; you’re experiencing a piece of cycling history, meticulously crafted to perfection.

This fixed gear bike stands out in the cycling culture as a symbol of precision engineering and high-quality bike materials. From its durable bike components to its classic bike design, the 3 Rensho remains an iconic bike brand, cherished by those who appreciate legendary bike makers and the rich cycling heritage they represent.

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The post The Elegance of the 3 Rensho Track Bike appeared first on Classic Japanese Bicycles.

This weeks “Japanese Bicycle of the Week” is a 3Rensho XR-7000 Lo-Pro Pursuit Bike. These bikes were more commonly known as “Funny Bikes” because of the extreme tube angles. It took the owner 3 years to complete the build. However, the years it took paid off since it turned out fantastic. It was purchased from Japan as just a frameset and the owner soon found out it was built under license by Yamakuni.

Interesting to note, Yamakuni was one of the pioneering Japanese companies to mass-produce welded aluminum frames. They introduced notable models like the 1986 Centurion Facet and potentially others such as the Miyata Omnium, Diamondback Arrival, and the Kuwahara Maragay MTB. Additionally, Yamakuni produced bikes under their own brand, including the “Yamakuni Wolf” and “Country Bird” MTBs, along with a road bike, which bore resemblance to the Facet yet remained unnamed.

Dependable Suntour Cyclone 7000 Groupset on this Pursuit Bike

Following the re-chroming of the fork, the main triangle remained untouched. Subsequently, a scarcely-used Georgina Terry Despatch from 1988 was acquired. It was disassembled to save the 6-speed Suntour Cyclone 7000 groupset and the 24″ front / 700c rear wheelset. It’s worth noting, that while the 3Rensho catalog displayed it with a Shimano 600 group, it was also offered as a frameset. Notably, Cyclone ranked as Suntour’s second-best group, akin to how 600 stood a step below Dura Ace.

Since the rear rim was cracked, the owner replaced it with a new Araya RC-540. The NITTO brand was used for the stem (S65 Crystal Fellow), the handlebars (RB-021 bullhorn) and the seat post (S66). Another nice feature is how the brake cables were installed to run inside the handlebars. The craftmanship is demonstrated by the ornate fork crown (upper right image).

First thing to remember, this pursuit bike and time trial bikes are made to go fast. The extreme angles on this bicycle were made to position the rider as low as possible for an aero dynamic advantage. For this reason, and for the fact that the arms are brought closer together, the bike has a very twitchy feel to it.

However, it was noted by the owner that once you are settled, you feel “locked in”. He road the bike in some Brooklyn traffic which he noted that he would never do again! The 3Rensho is made to go straight and fast. For an example, better to ride in open roads with wide turns.

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