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Top-Fire 700C 45mm Lightweight Carbon Road Bike Wheels for Climbing & Racing

Top-Fire 700C 45mm Lightweight Carbon Road Bike Wheels for Climbing & Racing

The Top-Fire lightweight hub carbon road bike wheels are crafted using high-quality Toray T700 and T800 carbon fiber, ensuring both strength and durability while keeping the weight extremely low. Designed for serious cyclists, these wheels feature a 45mm rim depth and a 28mm internal width, offering an excellent balance between aerodynamics and stability. The front wheel weighs only 687 grams, while the rear wheel comes in at 785 grams, making climbing and acceleration noticeably easier. These wheels are compatible with both clincher and tubeless tires, providing versatility for different riding preferences and conditions.

  • Item NO.:

    R4528
  • Payment:

    Paypal, Bank Transfer, West Union
  • Product Origin:

    Xiamen,China
  • Color:

    UD/3K/12K(Customized Painting Acceptable)
  • Shipping Port:

    XIAMEN
  • Product Detail

Top-Fire 700C 45mm Lightweight Carbon Road Bike Wheels for Climbing & Racing


Carbon Road Wheels Key Features for Climbing Performance

700C Carbon Road Wheels

  • These 45mm carbon road bicycle wheels are built for balance. They are deep enough to keep some aerodynamic benefit on flat roads, but still light and easy to handle when climbing. This makes them a good choice for riders who face mixed terrain.
  • The 45mm carbon fiber road bike wheels strike a balance between aerodynamics and control. Shallow rims are lighter but less stable in crosswinds, while deeper rims favor speed. A mid-depth profile gives riders both reduced drag and manageable weight, making it versatile for climbing and rolling terrain.
  • Running tubeless tires on carbon wheels allows lower pressures. That means more grip on steep climbs and extra comfort over rough surfaces, helping riders stay steady and save energy.
  • Good climbing wheels also need to be predictable. These carbon road bike wheels provide stable handling on sharp turns and strong braking when you start descending after the climb.

*All of our carbon road rims fit this lightweight hub.


Carbon Road Bike Wheels Specification

Model R4528
Weight Front Wheel Weight: 687g
Rear Wheel Weight: 785g
Rim Size Drills: 24/24 Holes
Outer Width: 28mm
Inner Width: 21mm
Tire Compatibility  Clincher/ Tubeless
Recommended Tire Size 25-28C
Chossen Hub RD240
Perrin:Steel Ball
Freehub Body: Planetary gear(Shimano)
Spacing:Front: 12*100 mm     Rear:12*142mm
Spoke Count Front: 24     Rear:24
Spoke Pattern Front: 2X  1:1    Rear: 2X   1:1
Max Spoke Tension >450kgf
Rim Material Toray T700 + T800 Carbon Fibers
Spoke Material SAPIM cx-leader
Disc brake/rim brake Disc brake
Warranty 18 months
Packing Size 850*650*200mm(Carton)


Best Carbon Fiber Road Bike Wheels for Hilly Routes & Long Climbs

Lightweight Design for Easier Climbs
A lighter wheelset helps riders pedal with less effort. The carbon road bike wheelset reduces rotating weight, making it easier to maintain speed on steep roads. This is especially helpful on long climbs where every ounce counts.
700C Wheels for Smooth Momentum
Most riders prefer 700c carbon wheels for hilly routes. The larger diameter keeps momentum steady while providing control on winding roads. Paired with the right tires, these carbon road cycling wheels roll smoothly and maintain grip, even on uneven surfaces.
Stiff Rims for Power Transfer
When you pedal hard on a hill, stiff carbon rims make sure your energy goes straight into forward motion. Carbon road bike wheels with optimized stiffness reduce flex, giving riders more efficient climbs and better acceleration when needed.
Reliable Handling for Mixed Terrain
Climbs often come with descents or flat stretches. A good carbon fiber road bike wheelset offers predictable handling and stability. Braking remains strong, and cornering is more controlled, which helps riders stay confident on all sections of a hilly route.


Carbon Road Cycling Wheels: Weight and Handling Benefits

Lightweight Construction for Easier Riding
A lighter carbon road bike wheelset reduces the overall weight of the bike. This makes it easier to accelerate, climb, and maintain speed over long distances. Less weight also means less strain on the legs.
Stiff Rims for Power Transfer
Carbon rims are stiff, which helps convert pedaling effort directly into forward motion. Carbon road bicycle wheels with optimized stiffness reduce energy loss. This makes climbs, sprints, and flat road efforts more efficient.
Smooth Handling and Control
Good handling is key to safety and confidence. Carbon road wheels provide predictable steering and stable cornering. They stay balanced on rough roads and maintain grip in corners.
Comfortable Ride Quality
Even though carbon wheels are stiff, their design allows for small vibrations to be absorbed. This gives riders a smoother ride on longer routes, especially when using wider tires with 700C carbon wheels. The combination of comfort and efficiency makes the bike feel responsive without being harsh.
Versatility Across Terrain
Whether climbing hills, riding flat roads, or tackling mixed terrain, carbon road bike wheels deliver a balance of light weight, stiffness, and handling. Riders can enjoy consistent performance, making these wheels a reliable choice for both training and racing.

Carbon Fiber Road Bike Wheels Application


Best Applications of Carbon Road Wheels: Hilly & Mixed Terrain

Climbing Hills and Steep Roads
Lightweight carbon road bike wheels help riders tackle climbs with less effort. The reduced wheel weight allows smoother acceleration and better control on steep gradients. Cyclists notice how a 700C carbon wheelset keeps momentum steady during long uphill stretches.
Rolling Hills and Mixed Terrain
Not all roads are flat. Carbon road cycling wheels perform well on rolling hills and undulating terrain. Their stiffness provides consistent power transfer, while the lightweight design makes pedaling easier. Riders enjoy predictable handling even when the route changes from flats to climbs.
Endurance and Long Rides
Long rides require wheels that can maintain comfort and speed. Carbon fiber road bike wheels absorb small vibrations while remaining stiff enough for efficient pedaling. 
Versatile for Different Bikes
These wheels work on a variety of road bikes. Whether paired with a disc brake system or a rim brake setup, carbon road bike wheels offer stability, handling, and confidence across all surfaces.


Why Riders Choose 45mm Depth Lightweight Carbon Road Bike Wheels

Carbon Road Bike Wheels Cross-Section

Ideal Balance of Weight and Aerodynamics: A 45mm rim is light, which makes going uphill easier. At the same time, the rim shape helps reduce wind resistance. Lightweight carbon road bike wheels let riders climb without tiring quickly and still keep a good speed on flat roads.

Stable Handling: Deeper rims can be tricky in the wind, but 45mm rims are easier to control. Riders using carbon road disc wheels feel stable when turning or going downhill. The wheels respond well, giving confidence in all road conditions.

Strong and Stiff for Power Transfer: Rims of this depth offer excellent stiffness. Carbon fiber road bike wheels with 45mm depth transfer pedal power efficiently. Riders feel that each pedal stroke moves the bike forward effectively, whether climbing, sprinting, or riding on mixed terrain.

Versatility for Various Riding Styles: The 45mm depth works well for different road bikes and riding styles. Whether for training, endurance rides, or racing, carbon road wheels at this depth deliver a balance of lightweight performance, speed, and stability that suits most cyclists.


Why Choose Us as Your Carbon Fiber Road Bike Wheels Supplier?

In-House Production and Quality Control

At Top-Fire, all our carbon road bike wheels are made in-house. We use high-quality carbon fiber and precise CNC molds to ensure consistency. Each wheel goes through multiple quality checks, including fiber layup inspection, molding, weight verification, and stiffness testing. This process ensures every wheel is strong, lightweight, and meets international performance standards.

Carbon Fiber Wheels for Road Bikes Manufacturing Process

OEM/ODM Customization
We offer full customization for your brand. You can choose rim depth, graphics, surface finish (matte or glossy), hub type, and even private-label options. Whether you need lightweight climbing wheels or aerodynamic racing wheels, Top-Fire can provide solutions that match your technical requirements and brand identity.
Reliable Supply Chain and Global Shipping

Top-Fire maintains stable monthly production and flexible minimum order quantities. We can meet both large orders and smaller, specialized requests. Global shipping is available with secure packaging to reduce the risk of damage during transport, ensuring your wheels arrive safely.


Carbon Road Bike Wheelset R4528 Self-Produced Hubs

Carbon Road Bike Wheelset R4528 Self-Produced Hubs

Read More For Production Of Carbon Rims By Top-Fire Factory

Read More For Testing Of Carbon Rims By Top-Fire Factory

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