1. Bicycle Rims For Sale
  2. sku: 17910576204305752
  3. DIA COMPE BRS-400

DIA-COMPE BRS-400 Edge Brake Set Calipers Race Diacompe Brs 52

Brs-400 Dia-compe Vintage Brs Edge Brake Set Calipers Side Pull Race Max 52 Min 40

( Brand: Dia-compe ), ( Manufacturer Part Number: BRS-400 ), ( Part Type: Pull ), ( Compatible Brand: Suntour ), ( Position: Front Rear ), ( Color: Silver ), ( Compatible Model: Superbe ), ( Set Includes: Brake Set ), ( Material: Aluminum ), ( Brake Type: Caliper Brake Side Pull ), ( Item Height: 120 Mm ), ( Compatible Bike Type: Racing Bike, Road Bike ), ( Country Of Origin: Japan ), ( Item Weight: 10.4 Oz )

Review DIA COMPE Vintage Brs Edge Brake Set Calipers Side Pull Race Max 52 Min 40

The **Dia-Compe BRS-400 BRS Edge Brake Set** is a high-performance, precision-engineered caliper system designed for serious cyclists and racers who demand the utmost in braking power, modulation, and reliability. Part of Dia-Compe s renowned BRS (Brake Racing System) line, this brake set features the **BRS-400 calipers**, a cutting-edge design optimized for road racing and time trials, paired with the **BRS Edge brake levers**, which offer a refined, ergonomic grip and ultra-responsive shifting. The calipers themselves are crafted from lightweight, high-strength aluminum, ensuring a rigid yet minimalist construction that maximizes braking efficiency while reducing unsprung weight. Their **four-piston hydraulic system** delivers exceptional stopping power, with precise modulation for both aggressive downhill braking and delicate control on technical climbs. The **BRS Edge levers** stand out with their sleek, aerodynamic profile and **quick-release cable entry**, allowing for effortless installation and adjustment. The levers incorporate Dia-Compe s signature **BRS shifter integration**, ensuring seamless shifting synchronization with compatible groupsets, while the **ergonomic, contoured shape** provides a secure, fatigue-reducing grip even during prolonged efforts. This brake set is engineered for racers who prioritize performance, with features like **adjustable brake pads** (compatible with Dia-Compe s high-performance BRS Edge pads) and a **durable, corrosion-resistant finish** that withstands the demands of competitive cycling. Whether tackling grueling criteriums, grueling climbs, or high-speed descents, the BRS-400 and BRS Edge combination offers a perfect blend of power, precision, and reliability, making it an ideal choice for riders who refuse to compromise on braking performance.

### **Pros and Cons of buying a Dia-Compe BRS-400 (BRS Edge) Brake Set**

#### **Pros:**

1. **High Performance Hydraulics** The BRS-400 uses Dia-Compe s proprietary **BRS Edge** hydraulic system, which offers superior modulation, consistency, and responsiveness compared to traditional mechanical or basic hydraulic brakes. This makes it ideal for aggressive riding, downhill, or high-speed braking.

2. **Lightweight Design** Dia-Compe is known for its carbon fiber and aluminum construction, which keeps the brake set relatively light while maintaining rigidity. This reduces unsprung weight, improving handling and efficiency.

3. **Adjustable Brake Pads** The system allows for easy pad replacement and adjustment, with options for different pad compounds (e.g., sintered metal, organic, or ceramic) depending on riding style and conditions.

4. **Durability & Reliability** Dia-Compe components are built for endurance, with sealed hydraulic lines and robust mounting points that reduce the risk of leaks or failure under heavy use.

5. **Compatibility with Dia-Compe & Shimano Systems** The BRS-400 works seamlessly with Dia-Compe s own hydraulic systems (like the **BRS-400 master cylinder**) and is also compatible with **Shimano s Deore/XTR hydraulic levers** (with an adapter), expanding its usability.

6. **Good for Aggressive Riding** The powerful braking force and precise modulation make it suitable for **downhill, enduro, or trail riding** where strong, reliable stops are critical.

7. **Minimal Maintenance** Unlike mechanical brakes, hydraulic systems require less frequent cable adjustments, and the BRS Edge design reduces wear on internal components.

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#### **Cons:**

1. **Expensive** Dia-Compe components are premium-priced, and the BRS-400 brake set is no exception. For casual riders or those on a tight budget, this may be a significant investment.

2. **Specialized Hydraulic System** The BRS Edge requires a compatible master cylinder and hydraulic line setup. If you already have a different hydraulic system (e.g., Shimano s MT2000), you may need additional adapters or a full upgrade, adding to the cost.

3. **Limited Availability of Parts** While Dia-Compe is reputable, their parts ecosystem is smaller than Shimano or SRAM. Finding replacement pads, seals, or hydraulic lines may be harder in some regions.

4. **Learning Curve for Hydraulic Maintenance** If you re not familiar with hydraulic brake systems, bleeding the brakes or diagnosing leaks can be more complex than working with mechanical brakes.

5. **Overkill for Mild Terrain** If you primarily ride **smooth trails, gravel, or commute routes**, the BRS-400 s aggressive braking power may be unnecessary. A mid-range hydraulic or mechanical brake set (e.g., Shimano Deore) could suffice.

6. **Potential for Over-Braking** The strong stopping power can be intimidating for riders who aren t used to hydraulic brakes, leading to abrupt stops or reduced confidence if not properly adjusted.

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### **Conclusion & Recommendation**

The **Dia-Compe BRS-400 (BRS Edge) brake set** is one of the best hydraulic brake options for **serious trail riders, enduro, or downhill riders** who demand **consistent, powerful, and precise braking**. Its lightweight construction, high performance, and durability make it a top-tier choice for those who prioritize braking performance over cost.

However, if you re a **budget-conscious rider, a casual trail user, or someone new to hydraulic brakes**, the upfront cost and specialized nature of the system may not justify the purchase. In such cases, a **Shimano Deore or SLX hydraulic brake set** or even a **high-quality mechanical brake system** (like Shimano Saint or Avid BB7) could offer a better balance of performance and affordability.

**Final Recommendation:**

- **Buy the BRS-400 if:** You ride aggressively, prioritize braking performance, and are willing to invest in a premium hydraulic system. It s ideal for **downhill, enduro, or fast trail riding**.

- **Avoid the BRS-400 if:** You re on a tight budget, ride mostly smooth terrain, or prefer simplicity over maximum braking power. Consider a more accessible hydraulic or mechanical alternative instead.

Details:

They are in good condition but there is a bit of rust on 1 set as shown. Up for sale is a vintage set of Dia Compe BRS Edge Brakes / Calipers with max 52 min 40 width .

part #: brs400 prices

  • $40.00-$71.24

specifications ribicycl:

  • brand: Dia-compe
  • mpn: Brs-400
  • part type: Pull
  • compatible brand: Suntour
  • position: Front Rear
  • color: Silver
  • compatible model: Superbe
  • set includes: Brake Set
  • material: Aluminum
  • brake type: Caliper Brake Side Pull
  • item height: 120 Mm
  • compatible bike type: Racing Bike, Road Bike
  • country of origin: Japan
  • item weight: 10.4 Oz

seller ribicycl:

  • city: Eastlake, Ohio
  • # reviews: 3266
  • rating: 99.8%

returns ribicycl:

  • method: Money back
  • paid by: Buyer
  • time: 30 Days
  • policy: Returns Accepted

general ribicycl:

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

shipping ribicycl:

  • cost: $9.35
  • service: USPS Ground Advantage
  • type: Calculated
  • transit: 3-8 Days
  • class: Standard
  • carrier: USPS

offer ribicycl:

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

payments ribicycl:

  • other
  • credit card: Diners-club
  • wallet: Paypal
part type: pull, compatible brand: suntour, position: front rear, compatible model: superbe, set includes: brake set, brake type: caliper brake side pull, item height: 120 mm, compatible bike type: racing bike, road bike, country of origin: japan, item weight: 10.4 oz,
category: sporting goods > cycling > bicycle components parts > brakes, color: silver, material: aluminum, sku: 17910576204305752,
Dia-compe BRS-400 Is Similar To:
ribicycl logo
5 offers $40.00–$71.24 USD
  • Used. Offer #1 priced at $40.00 + $9.14 shipping estimate = $49.14* total. In great condition!.+$9.14 shipping
  • New. Offer #2 priced at $59.00 + $7.00 shipping estimate = $66.00* total. Shipped with Standard Shipping. Aero Bar Road Bike Dia Compe BRS400 .+$7.00 shipping
  • New other (see details). Offer #3 priced at $71.24 + $5.95 shipping estimate = $77.19* total. Levers show no clamp or cable wear and have clean hoods and hardware, with only light handling marks and a few small nicks on the silver blades from storage; hood surfaces have faint speckling from age.+$5.95 shipping
  • Used. Offer #4 priced at $79.99 + $0.00 shipping estimate = $79.99* total. The lever blades are true and free of crash damage. There are minor surface marks.FREE SHIPPING
  • Used. Offer #5 priced at $37.99 + $4.99 shipping estimate = $42.98* total. Position: Front and Rear. Model: BRS 400 Compact.+$4.99 shipping

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