4IIII PML300-S21B00X Precision Power Meter M9100 170MM

( Brand: 4iiii ), ( Model: PML300-S21B00X M9100 170MM ), ( Type: Crank Arm ), ( Measurement Provided: Power ), ( Power Source: Batteries ), ( Color: Black ), ( Indoor/outdoor: Indoor/outdoor ), ( Features: Single-sided ), ( Material: Aluminum ), ( Sport/activity: Cycling ), ( Manufacturer Part Number: PML300-S21B00X )

Review 4IIII Precision Power Meter 170mm

The 4iiii Precision Power Meter M9100, model number PML300-S21B00X, is a state-of-the-art power meter specifically designed for road and gravel bikes. This compact and lightweight power meter is engineered to provide accurate and reliable power data to help cyclists train effectively and improve their performance.

The heart of this power meter is the 300-series left-side power sensor, which is easy to install and compatible with most Shimano HollowTech II cranksets. It utilizes a /- 1.5% accuracy level, ensuring that every watt you produce is measured with precision. The 170mm length is suitable for riders with standard crank arm lengths.

The M9100 system employs Bluetooth and ANT connectivity, allowing seamless integration with a wide range of head units and training apps. The batteries are user-replaceable, offering up to 300 hours of ride time per set. The power meter also features an Auto-Zero function, which automatically subtracts any ambient temperature effects from your power readings, ensuring maximum accuracy.

The sleek design of the 4iiii Precision Power Meter M9100 is both aesthetically pleasing and functional. It is waterproof and can withstand being submerged in up to 1 meter of water for up to 30 minutes. Additionally, the power meter comes with a 2-year warranty, ensuring peace of mind and long-term investment protection.

In summary, the 4iiii Precision Power Meter M9100 PML300-S21B00X is a high-performance power meter for cyclists seeking accurate and reliable power data to optimize their training and racing. With its easy installation, long battery life, and versatile connectivity options, this power meter is an essential tool for any serious cyclist.

The 4iiii Precision Power Meter M9100 with PML300-S21B00X crankset is a popular choice among cyclists looking for an accurate and reliable power meter. Here are some pros and cons to help you make an informed decision:

1. High Accuracy: The 4iiii power meter is known for its high accuracy, providing real-time power data with a /- 1.5% error margin.

2. Easy Installation: The power meter can be easily installed on most standard road and gravel cranksets without requiring a full crankset replacement.

3. Compatibility: The 4iiii power meter is compatible with a wide range of bike frames and cranksets, making it a versatile option for many cyclists.

4. Durability: The 304 stainless steel spindle and ceramic bearings ensure the power meter is durable and can withstand the rigors of regular riding.

5. Bluetooth and ANT Connectivity: The power meter supports both Bluetooth and ANT connectivity, allowing you to connect it to various cycling apps and devices.

6. Battery Life: The power meter has a long battery life of up to 20 hours, ensuring you can go for extended rides without worrying about running out of power.

1. Cost: The 4iiii power meter is on the pricier side, making it a significant investment for some cyclists.

2. Weight: The power meter adds some weight to the crankset, which may affect the overall weight and balance of the bike.

3. Calibration: The power meter requires regular calibration to ensure accurate readings, which can be a inconvenience for some riders.

4. Complex Setup: Setting up the power meter can be a complex process, requiring some technical knowledge and time.

The 4iiii Precision Power Meter M9100 with PML300-S21B00X crankset is a high-quality power meter that provides accurate and reliable power data for serious cyclists. Its ease of installation, compatibility, durability, and long battery life make it a strong contender in the power meter market. However, its cost, weight, and complex setup may be a deterrent for some riders. Ultimately, if you are a serious cyclist looking for accurate power data to improve your performance, the 4iiii power meter is a worthwhile investment.

Details:

4 iiii PRECISION 3 POWERMETER PML300-S21B00X M9100 1700MM.

part #: pml300s21b00x prices

• $637.88-$733.62

specifications velocipedespark:

• brand: 4iiii
• model#: PML300-S21B00X M9100 170MM
• type: Crank Arm
• measurement provided: Power
• power source: Batteries
• color: Black
• indoor/outdoor: Indoor/outdoor
• features: Single-sided
• material: Aluminum
• sport/activity: Cycling
• manufacturer part number: PML300-S21B00X

shipping velocipedespark:

• transit: 5-11 Days
• class: Expedited
• service: USPS Priority Mail Padded Flat Rate Envelope
• cost: $9.99
• type: Fixed
• carrier: USPS

returns velocipedespark:

• policy: No Returns

seller velocipedespark:

• # reviews: 5965
• city: Bell, California
• rating: 99.4%

offer velocipedespark:

• started: March 14, 2025
• quantity: 1
• sold: 0
• availability: In Stock
• options: Ship-to-home

general velocipedespark:

• condition: New
• Cycling > Bicycle Electronics > Power Meters

payments velocipedespark:

• other
• wallet: Paypal
• credit card: Visa

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