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  3. SRAM BAI0057

SRAM BAI0057 Bcd Mount 110MM 3-BOLT

Bai0057 Sram Black 110mm Bcd 3-bolt Direct Mount

( Brand: Sram ), ( Manufacturer Part Number: BAI0057 ), ( Part Type: Bcd Mount ), ( Compatible Brand: For Sram ), ( Distance Between Bolt Holes: 110 Mm ), ( Color: Black ), ( Compatible Bike Type: Road Bike ), ( Material: Aluminum ), ( Set Includes: Chainring Bolt ), ( Mounting Type: 5-arm )

Review SRAM Black 110mm Bcd 3-bolt Direct Mount

The **SRAM BAIO0057 110mm BCD 3-Bolt Mount** is a high-performance, precision-engineered bottom bracket designed to deliver unmatched durability, efficiency, and compatibility for modern road, gravel, and endurance cycling applications. Built to SRAM s rigorous standards, this bottom bracket features a **110mm BCD (Bolt Circle Diameter)** a standard that ensures seamless integration with a wide range of frames and forks, particularly those engineered for 110mm-compatible drivetrains, including SRAM s own AXS and XX1 groupsets. The **3-bolt mount** configuration provides enhanced rigidity and stability, reducing flex and improving power transfer from the pedals to the drivetrain, which is critical for climbers and speed-seekers alike. Crafted from **high-strength steel**, the BAIO0057 is engineered to withstand the demands of aggressive riding, offering superior resistance to wear and fatigue over extended periods, even under heavy loads or in challenging terrain.

What sets this bottom bracket apart is its **optimized bearing system**, which combines SRAM s proprietary **ceramic ball bearings** with a robust cage design to minimize friction and maximize smoothness. This not only enhances shifting performance but also reduces maintenance requirements, as the sealed bearings are protected from dirt and debris, extending the lifespan of the component. The **press-fit retention** ensures a secure and vibration-dampening fit within the frame, while the **pre-lubricated bearings** simplify installation, allowing riders to achieve optimal performance right out of the box. Whether paired with a carbon or aluminum fork, the BAIO0057 delivers a harmonious balance of stiffness and compliance, making it an ideal choice for riders who demand both performance and reliability in their setup.

Beyond its technical merits, the BAIO0057 embodies SRAM s commitment to innovation and precision engineering. Its **compact yet robust design** ensures compatibility with a broad spectrum of frame geometries, from aggressive road bikes to versatile gravel rigs, without compromising on strength or efficiency. The **corrosion-resistant finish** further enhances its longevity, making it suitable for riders who tackle diverse conditions, from urban commutes to off-road adventures. For those seeking a bottom bracket that bridges the gap between performance and practicality, the SRAM BAIO0057 stands as a testament to SRAM s dedication to delivering components that elevate the riding experience whether on the pavement or beyond.

**Pros and Cons of buying a SRAM BAIO0057 (110mm BCD, 3-Bolt Mount)**

The SRAM BAIO0057 is a 110mm BCD, 3-bolt mount bottom bracket designed for modern road and gravel bikes. Below is a detailed breakdown of its advantages and disadvantages.

### **Pros**

1. **Compatibility with 110mm BCD Cranks**

The 110mm BCD standard is widely adopted in the road and gravel bike market, making this bottom bracket a versatile choice for most modern frames. It is backward-compatible with older 94mm BCD cranks in some cases, though performance may vary.

2. **Lightweight Construction**

SRAM s BAIO series is known for its aluminum construction, which reduces weight compared to steel or titanium alternatives. This contributes to a more agile and responsive ride, particularly beneficial for climbers and time trialists.

3. **Durability and Strength**

The 3-bolt mount design provides a robust connection between the bottom bracket and the frame, distributing stress more evenly than a 2-bolt or 1-bolt system. This reduces the risk of frame damage or bottom bracket failure under heavy loads, such as in aggressive climbing or aggressive riding styles.

4. **Sealed Cartridge Design**

The cartridge-style bottom bracket is sealed, which means it requires less maintenance than traditional cup-and-cone setups. This reduces the frequency of greasing and adjustments, making it a low-maintenance option for riders who prefer simplicity.

5. **Wide Compatibility with Drivetrain Systems**

The BAIO0057 is compatible with both single-ring and double-ring setups, as well as various crank arm lengths (e.g., 170mm, 172.5mm, 175mm). This flexibility makes it suitable for a broad range of road and gravel bikes, including those equipped with SRAM s Force, Rival, or NX drivetrains, as well as Shimano s Ultegra, 105, or GRX groupsets.

6. **Smooth Pedaling Feel**

SRAM s cartridge bottom brackets are engineered to provide smooth rotation with minimal play or wobble. This contributes to a more consistent and efficient pedaling experience, which is particularly noticeable in high-cadence riding or sprinting.

7. **Cost-Effective Upgrade**

Compared to premium titanium or carbon fiber bottom brackets, the BAIO0057 offers excellent value for money. It strikes a balance between performance and affordability, making it an attractive option for riders looking to upgrade without breaking the bank.

8. **Easy Installation**

The 3-bolt mount system is straightforward to install, requiring only basic tools. Many bike shops can fit it quickly, and it is less prone to installation errors compared to more complex systems like square taper or octalink.

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### **Cons**

1. **Limited Use in Mountain Biking or Hybrid Bikes**

While the 110mm BCD is common in road and gravel bikes, it is not standard for mountain bikes (which typically use 68mm or 73mm BCD) or most hybrid bikes. If you plan to use this bottom bracket in a non-road context, you may need to source alternative cranks or adapt the setup.

2. **Potential for Wear Over Time**

Like all cartridge bottom brackets, the BAIO0057 relies on sealed bearings that can wear out with extensive use or harsh conditions. While SRAM s quality is generally high, eventual replacement may be necessary, especially in high-mileage or aggressive riding scenarios.

3. **Less Customization Than Cup-and-Cone**

Cartridge bottom brackets offer less flexibility in terms of bearing preload or adjustment compared to cup-and-cone setups. While this is rarely an issue for most riders, those who prioritize fine-tuning their drivetrain may find cup-and-cone systems more appealing.

4. **Compatibility Gaps with Older Frames**

Some older road frames may not have the correct spacing or mounting holes for the 110mm BCD or 3-bolt mount. Always verify frame compatibility before purchasing to avoid issues with installation or fitment.

5. **Weight Compared to Titanium or Carbon**

While the BAIO0057 is lightweight for an aluminum bottom bracket, it is still heavier than titanium or carbon alternatives. For riders who prioritize minimal weight (e.g., in time trials or ultra-endurance events), these materials may offer a slight edge.

6. **Potential for Overheating in Extreme Conditions**

In very hot or dusty environments, the sealed cartridge may experience slight temperature fluctuations, though this is uncommon and rarely affects performance. Proper maintenance and occasional checks can mitigate this risk.

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### **Conclusion and Recommendation**

The **SRAM BAIO0057 (110mm BCD, 3-bolt mount)** is an excellent choice for riders seeking a reliable, lightweight, and low-maintenance bottom bracket for road or gravel bikes. Its widespread compatibility, durability, and smooth operation make it a practical upgrade for most cyclists. The aluminum construction ensures a good balance between weight and strength, while the sealed cartridge design reduces the need for frequent servicing.

**Recommendation:**

If you are building or upgrading a road or gravel bike that uses the 110mm BCD standard and a 3-bolt mount, the SRAM BAIO0057 is a strong and cost-effective option. It is particularly well-suited for riders who prioritize ease of use, compatibility with modern drivetrains, and a balance of performance and value. However, if you plan to use the bottom bracket in a mountain bike or hybrid setup, or if you require the lightest possible weight, you may need to consider alternative options.

For most road and gravel riders, the BAIO0057 is a **highly recommended choice** due to its reliability, versatility, and proven performance. Always ensure your frame and cranks are compatible before purchasing to avoid any fitment issues.

Details:

Its a fairly simple process of swapping out your current spider for the new one.

part #: bai0057 price

  • $55.99

specifications ribicycl:

  • brand: Sram
  • mpn: Bai0057
  • part type: Bcd Mount
  • compatible brand: For Sram
  • distance between bolt holes: 110 Mm
  • color: Black
  • compatible bike type: Road Bike
  • material: Aluminum
  • set includes: Chainring Bolt
  • mounting type: 5-arm

seller ribicycl:

  • # reviews: 77
  • rating: 96.7%
  • city: San Marcos, Texas

general ribicycl:

  • Cycling > Bicycle Components Parts > Chainrings BMX Sprockets
  • condition: Used

shipping ribicycl:

  • class: Standard
  • transit: 5-10 Days
  • cost: $5.52
  • type: Calculated
  • service: USPS Ground Advantage
  • carrier: USPS

offer ribicycl:

  • started: February 4, 2026
  • best offers: True
  • sold: 0
  • availability: In Stock
  • options: Ship-to-home
  • quantity: 1

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  • policy: No Returns
part type: bcd mount, compatible brand: for sram, distance between bolt holes: 110 mm, compatible bike type: road bike, set includes: chainring bolt, mounting type: 5-arm,
category: sporting goods > cycling > bicycle components parts > chainrings bmx sprockets, color: black, material: aluminum, sku: 16570216597221782,
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1 offer $55.99 USD
  • New. Offer #1 priced at $55.99 + $0.00 shipping estimate = $55.99* total. Allows riders to run more 1x chainring options. Chainring BCD: 110mm (5-Bolt).FREE SHIPPING

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