WOLF TOOTH 107SR4-R-B-00F-46A Aero Bcd Chainring Optimized Sram 46T Eagle Flaptop Chains

( Brand: Wolf Tooth ), ( Manufacturer Part Number: 107SR4-R-B-00F-46A ), ( Part Type: Bcd ), ( Color: Black ), ( Compatible Bike Type: Road Bike, Cyclocross Bike, Gravel Bike, Racing Bike ), ( Mounting Type: Sram Direct Mount )

Review WOLF TOOTH Aero 107 Bcd Chainring 46t Optimized Sram Eagle Flaptop Chains Drop

The **Wolf 107SR4-R-B-00F-46A Aero 107 BCD Chainring (46T)** is a precision-engineered, high-performance component designed exclusively for SRAM s Eagle drivetrain, delivering unmatched efficiency and reliability for cyclists demanding the utmost in climbing power and mechanical smoothness. Crafted from a lightweight yet durable **aerospace-grade aluminum alloy**, this chainring features a **46-tooth profile**, optimized for aggressive climbing and steep descents where torque and gearing efficiency are critical. The **Aero 107** designation underscores its aerodynamic optimization, with a streamlined, low-profile design that minimizes drag while maintaining structural integrity ideal for time trialists, gravel enthusiasts, and mountain bikers who prioritize both speed and endurance. The **BCD (bolt circle diameter) of 107mm** ensures seamless compatibility with modern SRAM Eagle cranksets, including the Red eTap AXS and XX1 systems, while the **SR4-R** variant incorporates Wolf s proprietary **SR4 (Super Race 4)** technology, which enhances chain engagement, reduces wear, and extends the lifespan of both the chainring and chain. The **R-B-00F** designation indicates a **right-hand, bolt-on (R-B) installation**, with a **00F** finish that combines a **black matte coating** for aesthetic appeal with a **ceramic-infused surface** to resist corrosion and abrasion, making it equally suited for urban commuting, cross-country racing, or off-road adventures where elements like mud, salt, or moisture are encountered. This chainring s **optimized tooth geometry** featuring SRAM Eagle s signature **11-speed chain compatibility** ensures crisp, noise-free shifting and maximum power transfer, even under heavy loads. Whether paired with a carbon or alloy crank arm, the **Wolf Aero 107** chainring stands as a testament to engineering precision, offering a blend of aerodynamics, durability, and performance that elevates any drivetrain to elite standards.

### **Pros and Cons of buying a Wolf Tooth 107SR4-R-B-00F-46A Aero 107 BCD Chainring (46T, Optimized for SRAM Eagle FlatTop Chains)**

1. **SRAM Eagle Compatibility** This chainring is specifically optimized for SRAM Eagle flat-top chains, ensuring smooth engagement and reduced chain wear. Eagle chains are known for their durability and efficiency, making this a strong pairing for climbers and endurance riders.

2. **Aero Design** The "Aero 107" designation suggests a streamlined profile, which can reduce drag and improve aerodynamics compared to standard chainrings. This is particularly beneficial for time trialists, triathletes, or road cyclists who prioritize speed in low-resistance positions.

3. **Wolf Tooth s Reputation** Wolf Tooth is a well-regarded brand in the cycling industry, known for high-quality, precision-machined components. Their chainrings are often praised for smoothness, durability, and consistent performance.

4. **BCD Compatibility** The BCD (Bolts Circle Diameter) standard ensures this chainring will fit most modern road and gravel bikes with the correct crank arm spacing (110mm or 112mm). The "SR4" designation likely indicates a 4-bolt pattern, which is common for SRAM Eagle setups.

5. **Optimized for FlatTop Chains** Flat-top chains (like SRAM Eagle) are designed to reduce chain drop and improve shifting performance, especially in steep climbs. This chainring is tailored to work seamlessly with that system, reducing the risk of derailment or poor shifting.

6. **Durability** Wolf Tooth chainrings are typically made from high-quality materials (often forged aluminum or steel) and undergo rigorous testing, suggesting a long lifespan with proper maintenance.

7. **Performance Benefits** The optimized tooth profile can improve chain engagement, reduce wear on the chain, and enhance overall drivetrain efficiency, which is especially useful for riders who demand reliability in demanding conditions.

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1. **Cost** High-quality, specialized chainrings like this one are not cheap. If you're on a tight budget, the price may be prohibitive compared to generic or aftermarket alternatives.

2. **Limited Use Case** While excellent for SRAM Eagle setups, this chainring is not compatible with other chain types (e.g., traditional round-link chains or Shimano chains). If you ever switch brands or chain types, you ll need to replace it.

3. **Weight** Aero chainrings are often slightly heavier than standard ones due to their design. While the difference may be negligible for most riders, it could matter in ultra-lightweight setups.

4. **Installation Complexity** Some Wolf Tooth chainrings require precise installation to ensure proper alignment and performance. Improper installation could lead to premature wear or shifting issues.

5. **Market Availability** Depending on your location, this specific chainring might not be readily available at local bike shops, requiring online purchase (which could involve shipping delays or costs).

6. **Potential Overkill for Casual Riders** If you're a recreational rider who doesn t prioritize aerodynamics or Eagle chains, the benefits may not justify the cost. A standard chainring from a different brand might suffice.

7. **Chain Wear Consideration** While optimized for Eagle chains, the combination of this chainring and Eagle chains may wear out faster than a traditional chainring with standard chains, depending on riding conditions.

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The **Wolf Tooth 107SR4-R-B-00F 46T Aero Chainring** is an excellent choice for riders using **SRAM Eagle flat-top chains**, particularly those who prioritize **aerodynamics, durability, and smooth shifting performance**. Its specialized design reduces chain drop and improves efficiency in climbs, making it ideal for **endurance riders, climbers, and performance-oriented cyclists**. However, the **high cost, limited compatibility, and potential weight penalty** may not justify the purchase for casual riders or those not using SRAM Eagle setups.

If you re already in the SRAM Eagle ecosystem and value aerodynamics and reliability, this chainring is a **strong recommendation**. For others, a more budget-friendly or versatile chainring might be a better fit.

- **Buy it if:** You use SRAM Eagle chains, prioritize aerodynamics, and want a high-performance chainring with minimal chain drop.

- **Skip it if:** You re on a tight budget, use non-Eagle chains, or don t need the aerodynamic benefits.

- **Alternatives to consider:** If you like Wolf Tooth but want a more versatile option, check their standard chainrings. For budget-friendly aero chainrings, brands like **Shimano, Rotor, or Sunrace** offer good alternatives depending on your drivetrain.

Details:

Light Used Wolf Tooth Aero 107 BCD Chainring - 46t Optimized SRAM Eagle, Fits AXS cranks with a removable power meter spider and spiders, Not compatible Rival crank sets integrated non-removable spiders model's IDs FC-RIV-D1 PM-RIV-D1, Premium CNC machined 7075-T6 aluminum for strength stiffness light weight, Features Tooth's patented Drop-Stop wide/narrow Tooth profile the ultimate chain retention mud-shedding ability, Ring Position/Type Chain Retaining Single Ring Tooth Count 46Drivetrain Speeds 9Drivetrain 10Drivetrain 11Drivetrain 12Round or Oval Round Chainring 107Material Aluminum Color Black Defined Color Black Eagle PM-RIV-D1 weight ability.

part #: 107sr4rb00f46a prices

• $124.95-$128.91

specifications ribicycl:

• brand: Wolf Tooth
• mpn: 107sr4-r-b-00f-46a
• part type: Bcd
• color: Black
• compatible bike type: Road Bike, Cyclocross Bike, Gravel Bike, Racing Bike
• mounting type: Sram Direct Mount

payments ribicycl:

• credit card: Visa
• other
• wallet: Paypal
• money order

returns ribicycl:

• policy: No Returns

seller ribicycl:

• rating: 100.0%
• city: Wildomar, California
• # reviews: 80

general ribicycl:

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

offer ribicycl:

• availability: In Stock
• best offers: True
• sold: 0
• started: April 22, 2026
• options: Ship-to-home
• quantity: 1

shipping ribicycl:

• transit: 5-10 Days
• carrier: USPS
• cost: $8.46
• class: Standard
• type: Calculated
• service: USPS Ground Advantage

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