1. Bicycle Rims For Sale
  2. sku: 16680022672876751
  3. TREK 325747

TREK 325747 Triathlon Bike Rim Brake Caliper Set Mount

325747 Trek Speed Concept Triathlon Bike Rim Brake Caliper Set Direct Mount Tt

( Brand: Trek ), ( Manufacturer Part Number: 325747 ), ( Part Type: Bike Mount ), ( Position: Front Rear ), ( Brake Type: Rim Brake ), ( Color: Black ), ( Compatible Bike Type: Time Trial/triathlon Bike, Road Bike Racing ), ( Set Includes: Caliper ), ( Material: Aluminum, Steel )

Review TREK Speed Concept Triathlon Bike Rim Brake Caliper Set Direct Mount

The **Trek 325747 Triathlon Bike Rim Brake Caliper Set** represents a refined blend of performance, precision, and aerodynamic efficiency, meticulously engineered to elevate the riding experience for triathletes and competitive cyclists alike. Designed to complement Trek s high-performance triathlon frames, this caliper brake set is crafted with an emphasis on lightweight construction and responsive braking, ensuring optimal control and confidence during high-speed transitions from swim to bike and bike to run. The calipers are built from durable, high-grade aluminum alloys, striking a balance between stiffness and weight savings, which translates to enhanced pedal efficiency and reduced rotational mass. Their sleek, aerodynamic profile minimizes drag, allowing riders to maintain speed and efficiency even at the highest velocities, a critical advantage in time trials and triathlon races where every second counts.

The mounting system is both robust and versatile, featuring a precise and secure attachment mechanism that ensures minimal flex or vibration transfer to the frame, thereby preserving ride quality and rider comfort. The calipers are engineered to accommodate Trek s proprietary brake mount points, guaranteeing a seamless integration with frames like the Trek Speed Concept, Emonda, and other high-end triathlon models. This attention to compatibility extends to the brake pads, which are designed to work harmoniously with modern rim materials, offering consistent stopping power and longevity. The brake levers, while not included in this set, are designed to pair seamlessly with Trek s hydraulic or mechanical systems, providing a smooth and progressive braking feel that adapts to the rider s input with precision.

Safety and performance are paramount in this caliper set, which incorporates advanced braking technology to deliver reliable performance in all conditions. The brake pads are engineered with a high-friction compound that resists wear and maintains grip even under demanding conditions, such as wet or muddy tracks, ensuring predictable stopping power when it matters most. The calipers are also designed with a low-profile, streamlined shape that not only reduces aerodynamic drag but also minimizes the risk of interference with other components, such as the bike s wheels or cleats, during aggressive cornering or rapid transitions. This thoughtful design ensures that riders can focus on their performance without worrying about mechanical issues or safety concerns.

In summary, the **Trek 325747 Triathlon Bike Rim Brake Caliper Set** is a testament to Trek s commitment to innovation and performance in the triathlon space. Whether used in training or competition, this brake set delivers a combination of lightweight construction, aerodynamic efficiency, and reliable stopping power, making it an essential upgrade for riders seeking to push their limits and achieve their best times. Its seamless integration with Trek s triathlon frames and components ensures that every ride is not only faster but also more enjoyable and secure.

The Trek 325747 Triathlon Bike Rim Brake Caliper Set is designed for road and triathlon bikes, offering a balance of performance, aerodynamics, and compatibility with disc brakes. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

---

### **Pros:** 1. **Aerodynamic Design:**

The calipers are shaped to reduce drag, which is particularly beneficial for triathletes and road cyclists who prioritize speed. The sleek profile helps maintain efficiency during high-speed riding.

2. **Compatibility with Disc Brake Systems:**

This set is designed to work with disc brake rotors, allowing riders to upgrade or add disc brakes to their existing rim brake system. This is useful for those who want the stopping power of discs without a full conversion.

3. **Lightweight Construction:**

The calipers are likely made from lightweight materials (such as aluminum or carbon fiber), reducing unsprung weight and improving handling and responsiveness.

4. **Triathlon-Specific Features:**

The design is optimized for triathlon use, which often involves transitions between cycling and swimming or running. The aerodynamic shape and compatibility with tri-specific setups make it a practical choice for triathletes.

5. **Easy Installation:**

As a direct replacement for standard rim brake calipers, installation is straightforward for those with basic mechanical skills. The mounting points are designed to fit Trek s frame and fork dropouts, ensuring a secure fit.

6. **Durability:**

Rim brake calipers are generally robust and less prone to wear compared to some disc brake systems, especially in dry conditions. The materials used in this set are likely durable enough for regular use.

7. **Cost-Effective Upgrade:**

For riders who want to experiment with disc brakes without a full conversion, this set provides a cost-effective way to test the benefits of disc braking while retaining rim brake compatibility.

---

### **Cons:** 1. **Limited Disc Brake Functionality:**

While compatible with disc brakes, this set is not a full disc brake system. It requires additional components (such as a disc brake rotor, caliper, and lever) to function properly. The stopping power will still be dependent on the rim brake pads unless fully integrated with a disc brake system.

2. **Potential Weight Penalty:**

Rim brake calipers are generally lighter than full disc brake systems, but the addition of disc brake components (like rotors and calipers) can add weight. If you re using this set as a stopgap, you may not realize the full weight savings of a dedicated disc brake setup.

3. **Compatibility Issues:**

Not all bikes are compatible with disc brake calipers, even if they have the necessary mounting points. Ensure your frame and fork are designed to accommodate disc brake rotors and calipers. Some older or budget frames may not support this setup without modifications.

4. **Maintenance Requirements:**

Rim brake pads and rotors require regular maintenance, including pad replacement and rotor truing. Disc brake systems, while more durable, can also require maintenance (e.g., brake pad replacement, rotor cleaning). This set may introduce additional maintenance tasks if you re not already familiar with disc brake upkeep.

5. **Limited Braking Performance in Wet Conditions:**

Rim brakes can struggle in wet conditions due to reduced friction between the pads and rim. While disc brakes offer superior stopping power in the rain, this set does not fully leverage that advantage unless paired with a complete disc brake system.

6. **Aesthetic and Functional Trade-offs:**

The aerodynamic design may not suit all riders, particularly those who prefer a more traditional look. Additionally, the calipers may not fit neatly with certain tire or fender setups, potentially causing clearance issues.

7. **Potential for Reduced Rim Brake Performance:**

If you continue to use the rim brakes alongside the disc brake calipers, the stopping power may be inconsistent, especially if the disc brake system is not fully engaged. This could lead to a less predictable braking experience.

---

### **Conclusion:**

The Trek 325747 Triathlon Bike Rim Brake Caliper Set is a practical choice for riders who want to experiment with disc brake compatibility without a full conversion. Its aerodynamic design and lightweight construction make it ideal for triathletes or road cyclists focused on speed and efficiency. However, it is not a complete disc brake solution and may introduce additional maintenance or compatibility challenges.

If your primary goal is to upgrade to disc brakes for better stopping power, especially in wet conditions, investing in a full disc brake system (e.g., Shimano BR-MT800 or SRAM Force) would be more beneficial. For riders who want to retain rim brakes while testing disc brake functionality or improving aerodynamics, this set offers a viable middle ground.

---

### **Recommendation:** - **Buy this set if:**

- You want to add disc brake compatibility to your existing rim brake system without a full conversion.

- You prioritize aerodynamics and are primarily riding in dry conditions.

- You re on a budget and want to experiment with disc brakes before committing to a full upgrade.

- Your frame and fork are compatible with disc brake rotors and calipers.

- **Avoid this set if:**

- You need reliable, high-performance braking in all conditions (especially wet or muddy).

- You want a complete disc brake system for better stopping power and durability.

- Your frame or fork does not support disc brake rotors, or you encounter clearance issues with tires or fenders.

- You prefer a simpler, maintenance-free braking solution without the complexity of disc brakes.

For most riders seeking a full disc brake upgrade, investing in a dedicated disc brake system (e.g., Shimano BR-MT800, SRAM Force, or carbon fiber options like Shimano Saint) would be the better long-term choice. However, if you re looking for a cost-effective way to enhance aerodynamics or test disc brake compatibility, this Trek caliper set is a reasonable option.

Details:

part #: 325747 price

  • $110.00

specifications ribicycl:

  • brand: Trek
  • mpn: 325747
  • part type: Bike Mount
  • position: Front Rear
  • brake type: Rim Brake
  • color: Black
  • compatible bike type: Time Trial/triathlon Bike, Road Bike Racing
  • set includes: Caliper
  • material: Aluminum, Steel

seller ribicycl:

  • # reviews: 1982 3
  • rating: 99.9%
  • city: Boulder, Colorado

shipping ribicycl:

  • class: Standard
  • type: Fixed
  • transit: 2-7 Days
  • cost: $0.00
  • carrier: USPS
  • service: USPS Ground Advantage

general ribicycl:

  • Cycling > Bicycle Components Parts > Brakes
  • condition: Used

payments ribicycl:

  • other
  • wallet: Apple-pay
  • credit card: Visa

offer ribicycl:

  • started: February 12, 2026
  • quantity: 1
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0

returns ribicycl:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Buyer
  • method: Money back
part type: bike mount, position: front rear, brake type: rim brake, compatible bike type: time trial/triathlon bike, road bike racing, set includes: caliper,
category: sporting goods > cycling > bicycle components parts > brakes, color: black, material: aluminum, steel, sku: 16680022672876751,
Trek 325747 Is Similar To:
ribicycl logo
1 offer $110.00 USD
  • Used. Offer #1 priced at $110.00 + $8.06 shipping estimate = $118.06* total. Made by the reputable brand Bontrager, this rim brake features a sleek black color and includes a caliper for easy installation. Used as is, see pictures.+$8.06 shipping

Copyright © ribicycl.com