SRAM 00.7918.390.000 Xo Groupset Power Meter

( Brand: Sram ), ( Part Type: Meter ), ( Compatible Brand: For Sram ), ( Manufacturer Warranty: 2 Years ), ( Color: Black ), ( Compatible Bike Type: Mountain Bike ), ( Material: Aluminum ), ( Set Includes: Crankset, Chain ), ( Derailleur: Rear, Shifters, Cassette/freewheel ), ( Item Weight: 453 Lb ), ( Country Of Origin: Taiwan ), ( UPC: 007918390000 )

Review SRAM Xo Groupset Power Meter

The **SRAM 00.7918.390.000 XO Power Meter Groupset** represents the pinnacle of modern cycling technology, seamlessly blending cutting-edge performance metrics with the uncompromising precision of SRAM s legendary drivetrain engineering. Designed exclusively for the most demanding riders whether they re chasing podiums in elite competitions, pushing the limits of endurance racing, or refining their training with data-driven insights the XO Power Meter Groupset redefines how power is measured and utilized on the bike. At its core, this system integrates a high-precision **strain gauge** embedded within the **XX1 Eagle 12-speed crankset**, specifically the **00.7918.390** model, which is engineered to deliver real-time power output with an industry-leading accuracy of ** 1%**. This level of precision ensures that every pedal stroke is quantified with surgical clarity, allowing riders to optimize their efforts with confidence, whether they re climbing a mountain stage or sprinting for the line in a criterium.

The XO Power Meter Groupset is not merely a tool for data collection; it is a **performance amplifier**, designed to work in tandem with SRAM s **Quarq** power measurement technology, which is renowned for its reliability and integration with third-party platforms like **TrainingPeaks, Garmin, and Wahoo SYSTM**. The system s **wireless ANT and Bluetooth Smart connectivity** ensures seamless data transfer to compatible devices, enabling riders to monitor metrics such as **watts, cadence, and pedal stroke efficiency** in real time. This data is then used to fine-tune training zones, identify inefficiencies in pedal technique, and make informed decisions on race strategy all while maintaining the **lightweight and aerodynamic profile** that SRAM is famous for. The **XX1 Eagle 12-speed drivetrain** itself is a masterclass in efficiency, featuring **12-speed cassette options** (ranging from 10-52T to 10-50T) that provide an unparalleled gear range, allowing riders to maintain optimal cadence across all terrains. The **11-36T chainring** on the crankset further enhances versatility, ensuring that power delivery is smooth and consistent, regardless of the riding conditions.

Beyond its technical specifications, the XO Power Meter Groupset embodies **SRAM s commitment to innovation and rider-centric design**. The **stainless steel crank arms** are not only durable but also engineered to minimize vibration, reducing fatigue during long rides. The **integrated power sensor** is strategically placed to avoid interference with the drivetrain s smooth operation, ensuring that power readings remain accurate even under the most demanding conditions. Additionally, the system is **compatible with SRAM s Red eTap AXS** electronic shifting, creating a **fully integrated, wireless power and shifting solution** that eliminates cable clutter and enhances the riding experience. For riders who demand the highest level of performance and precision, the XO Power Meter Groupset is more than just a groupset it is a **game-changing tool** that transforms raw effort into actionable intelligence, helping them ride smarter, faster, and stronger.

Whether used by **elite racers** looking to shave seconds off their splits or **serious amateurs** seeking to maximize their training efficiency, the SRAM 00.7918.390.000 XO Power Meter Groupset stands as a testament to SRAM s ability to merge **cutting-edge technology with unmatched craftsmanship**. It is a system built for those who refuse to accept mediocrity, offering a level of detail and accuracy that empowers riders to push their limits with confidence one precise watt at a time.

The SRAM XX 00.7918.390.000 XO Groupset with Power Meter is a high-end, all-in-one drivetrain designed for competitive cyclists and those seeking seamless integration of power measurement. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

**1. All-in-One Integration**

The XO groupset combines a power meter into the bottom bracket (BB86 or BB90 standard) and the chainrings, eliminating the need for external sensors or additional components. This simplifies installation and reduces potential points of failure. The power meter is integrated into the left crank arm, measuring torque at the pedal stroke, which provides accurate and consistent data.

**2. High Accuracy and Reliability**

SRAM s power meter is known for its precision, with minimal drift over time. The XO s integration with the bottom bracket ensures that the power measurement is not affected by chain slippage or wear, which can occur with mid-drive or rear-wheel power meters. The system is also calibrated to account for variations in crank length and rider weight, improving accuracy.

**3. Lightweight Design**

The XO groupset is one of the lightest high-end drivetrains available, with carbon chainrings and cranks that contribute to a reduced overall weight. This is particularly beneficial for climbers and time trialists who prioritize efficiency and speed.

**4. Seamless Performance**

The XO groupset is designed for smooth shifting and efficient power transfer. SRAM s eTap AXS electronic shifting system (if paired with AXS components) ensures precise and rapid gear changes, reducing downtime during races or long rides. The power meter data can also be synced wirelessly to compatible apps (e.g., TrainingPeaks, Garmin, or Zwift) for real-time feedback.

**5. Durability and Longevity**

SRAM s XX-level components are built for durability, with high-quality materials and robust construction. The power meter is designed to withstand the stresses of competitive riding, though like all mechanical components, it requires proper maintenance to ensure longevity.

**6. Compatibility with SRAM s Ecosystem**

The XO groupset works seamlessly with other SRAM XX components, such as the Force eTap AXS cranks, Red eTap AXS shifters, and GX or XX rear derailleurs. This makes it an excellent choice for riders who already use or plan to use SRAM s ecosystem of high-end parts.

**7. Data-Driven Training and Racing**

The integrated power meter provides valuable insights into performance, including watts, cadence, and pedal efficiency. This data is invaluable for training optimization, race strategy, and injury prevention. The ability to track power output over time helps riders identify strengths, weaknesses, and areas for improvement.

**8. Future-Proofing**

SRAM continues to update its software and firmware for AXS components, which can include improvements to power meter accuracy, shifting algorithms, and compatibility with new devices. Owning an XO groupset ensures access to these updates for the life of the component.

---

### **Cons**

**1. High Cost**

The SRAM XX XO groupset is one of the most expensive drivetrains available, with the power meter adding significant cost to the already premium price of SRAM s XX components. For example, the base price for the XO groupset (without AXS) is well over $2,000, and adding AXS components can push the total cost beyond $3,000. This makes it inaccessible for casual or budget-conscious riders.

**2. Limited Availability and Long Wait Times**

High-end SRAM components, especially those with power meters, often have long lead times due to high demand and limited production capacity. Riders may need to order well in advance or pay a premium for expedited shipping, which can further increase costs.

**3. Complex Installation and Maintenance**

The XO groupset requires professional installation, particularly for the bottom bracket power meter integration. This adds to the cost and may not be feasible for riders without access to a qualified bike shop. Additionally, the power meter and electronic components (if using AXS) require regular maintenance, such as sensor cleaning and battery checks, to ensure optimal performance.

**4. Potential for Electronic Issues**

While rare, electronic components can experience malfunctions, such as shifting errors, connectivity issues, or power meter inaccuracies. These problems may require professional diagnosis and repair, adding to the long-term cost of ownership. SRAM s customer support and warranty coverage can mitigate some of these risks, but they are not foolproof.

**5. Overkill for Casual Riders**

For recreational cyclists or those who do not prioritize power measurement, the XO groupset may offer more features than necessary. The high cost and complexity of the system may not justify the investment for riders who simply want a reliable, high-performance drivetrain without the added data tracking.

**6. Weight Sensitivity in Some Disciplines**

While the XO groupset is lightweight, some riders in disciplines like cross-country (XC) mountain biking or gravel racing may prefer even lighter components. The addition of the power meter and electronic shifting can add a small amount of weight compared to mechanical drivetrains, though the difference is often negligible for most riders.

**7. Dependency on Technology**

The XO groupset s power meter and electronic shifting rely on technology that can be susceptible to interference, software updates, or hardware failures. Riders who prefer a more mechanical, low-tech approach may find the XO groupset s reliance on electronics frustrating.

**8. Resale Value**

High-end components like the XO groupset tend to depreciate quickly, especially in the cycling market where trends and technology evolve rapidly. While the resale value may still be reasonable, it is unlikely to retain a significant portion of its original cost after a few years.

---

### **Conclusion**

The SRAM XX 00.7918.390.000 XO Groupset with Power Meter is a cutting-edge, high-performance drivetrain that excels in accuracy, integration, and data-driven performance tracking. It is ideal for competitive cyclists, professional riders, and serious enthusiasts who prioritize precision, efficiency, and the ability to monitor power output in real time. The seamless combination of power measurement and shifting makes it a powerful tool for training, racing, and performance optimization.

However, the high cost, long wait times, and complexity of installation and maintenance make it a less practical choice for casual riders or those on a budget. The XO groupset is best suited for riders who are already invested in SRAM s ecosystem, have the financial means to invest in high-end components, and value the data and performance benefits it provides.

---

### **Recommendation**

- You are a competitive cyclist (road, gravel, or triathlon) or a professional rider who relies on accurate power data for training and racing.

- You are already using or plan to use other SRAM XX or AXS components, as the XO groupset integrates seamlessly with them.

- You prioritize lightweight, high-performance components and are willing to invest in the best available technology.

- You have access to a professional bike shop for installation and maintenance, and you are comfortable with the added complexity of electronic components.

- You value the ability to track power output, pedal efficiency, and other performance metrics to optimize your training and racing.

- You are a casual rider or recreational cyclist who does not need power measurement or high-end shifting.

- You are on a tight budget, as the cost of the XO groupset is prohibitive for many riders.

- You prefer a simpler, more mechanical drivetrain and are uncomfortable with the potential for electronic issues.

- You do not have access to a bike shop for professional installation and maintenance, or you are not willing to pay for it.

- You are primarily interested in weight savings and do not need the data tracking capabilities of a power meter.

- **SRAM Force eTap AXS with Power Meter (e.g., Force eTap AXS Cranks):** A more affordable option that still offers electronic shifting and power measurement, though with slightly less precision and integration than the XO.

- **Shimano Dura-Ace Di2 with Power Meter (e.g., Dura-Ace Di2 12-speed with a rear-wheel or crank-based power meter):** A strong alternative with excellent shifting and power measurement, though the integration is not as seamless as SRAM s XO.

- **Mechanical Groupsets with External Power Meters (e.g., Shimano Ultegra or SRAM Rival with a separate power meter like Quarq or Garmin):** A more budget-friendly approach for riders who want power data without the cost of an all-in-one system.

In summary, the SRAM XX XO Groupset with Power Meter is a premium product that delivers unmatched performance and data accuracy for the right rider. For everyone else, there are more affordable and equally capable alternatives.

Details:

Two shifters both match maker and regular. Deal of the century. Two chain rings size 30 and 32 with bash guards. Included dub threaded BB for 68-73.

Haven cleaned it but passing savings on to you. 2000 $ set for 1/2 the price. XO group with power meter. Almost new cassette and chain.

Okay MTB fans. New type link to set chain. These are 175mm cranks but don't be fooled by shorter crank hype. Just off my yeti.

part #: 007918390000 prices

• $1000.00-$3499.00

specifications ribicycl:

• brand: Sram
• part type: Meter
• compatible brand: For Sram
• manufacturer warranty: 2 Years
• color: Black
• compatible bike type: Mountain Bike
• material: Aluminum
• set includes: Crankset, Chain
• derailleur: Rear, Shifters, Cassette/freewheel
• item weight: 453 Lb
• country of origin: Taiwan
• upc: 007918390000

shipping ribicycl:

• class: Standard
• cost: $16.93
• carrier: UPS
• type: Calculated
• service: UPS Ground
• transit: 4-8 Days

payments ribicycl:

• wallet: Google-pay
• other
• credit card: Discover
• money order

seller ribicycl:

• city: San Anselmo, California
• rating: 100.0%
• # reviews: 306

offer ribicycl:

• started: June 12, 2026
• quantity: 1
• sold: 0
• best offers: True
• availability: In Stock
• options: Ship-to-home

returns ribicycl:

• policy: No Returns

general ribicycl:

• condition: Used
• Cycling > Bicycle Components Parts > Build Kits Gruppos

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