The Magene PES P505 Base power meter crankset is widely praised as an affordable and accurate option for Shimano-compatible setups, offering dual-sided estimation, ANT+/Bluetooth, and a 1.5% accuracy rating. Reviewers note it performs comparably to more expensive power meters, though it has some quirks like calibration requirements and compatibility limitations with certain bottom brackets.
Pros
- Excellent value for money, often priced around $200-300 USD12
- Accurate power readings when properly calibrated, comparable to Favero Assioma and smart trainers12
- Compatible with Shimano bottom brackets and chainrings, making it a direct replacement for Shimano cranks13
- Provides left-right power balance and pedal smoothness data3
- Features automatic calibration and active temperature compensation3
- Easy installation for Shimano-compatible setups32
- Good battery life with easy charging via proprietary cable2
- Broadcasts ANT+ and Bluetooth for connectivity13
Cons
- Not a true dual-sided power meter; left/right balance is estimated13
- Left crank arm preload bolt frequently works loose, requiring threadlocker or replacement with redesigned bolt2
- Not compatible with T47 internal and BB386 bottom brackets due to spider clearance issues2
- Proprietary interface locks P505 Base version to Magene cranks only, cannot be used with other cranksets2
- Initial power readings can be skewed if head unit is in a jersey pocket1
- Requires calibration via Magene app, and firmware updates can cause issues requiring magnet reset procedure12
- Some units require power scaling adjustments (typically 101-105%) for accurate readings2
- Occasional creaking noises from crank/power meter interface2
Key Facts
- 24mm steel spindle compatible with Shimano bottom brackets132
- 110 BCD chainring interface (4 or 5 bolt) for Shimano chainrings12
- Claimed accuracy of 1.5% for power measurement13
- IP67/IPX7 waterproof rating13
- Weighs approximately 635-782g depending on crank arm length and chainring inclusion13
- Available in crank lengths 165mm, 170mm, 172.5mm, and 175mm13
- Q factor of 146-147mm, close to Shimano's 147mm13
- Rechargeable battery with up to 200 hours of use3
Reviews & Ratings
07:19The reviewer discusses their experience with the Magene PES P505 power meter over several months, highlighting its reliability, affordability, and features. They compare it to higher-end models and other power meters, noting its consistent performance in various conditions.
24:49The reviewer extensively discusses the Magene Power Meter PES P505 Base 4 Bolt 110 BCD 24mm Cadence Pedal Balance Ant Steel Spindle Crankset Chainring for Shimano Sram throughout the video. They highlight its compatibility with Shimano bottom brackets, 110 BCD chainrings, and 24mm spindle, making it a direct replacement for Shimano cranks. The reviewer emphasizes its value at $300 (with a discount bringing it down to $270), its 1.5% accuracy rating, and its performance compared to higher-end power meters like the Favero Assioma pedals. They also note its IP67 waterproof rating, ANT+ and Bluetooth compatibility, and the inclusion of cadence data. The reviewer tested it against Favero Assioma pedals and found the power readings to be very close, especially when the head unit was positioned correctly.
The Magene PES P505 is a budget-friendly spider-based power meter, often praised for its accuracy and value. Users report typical prices around $200-300 USD, with weights around 638g for the spider/crank combo (no chainrings). It uses a 24mm steel spindle compatible with Shimano bottom brackets, but has compatibility issues with T47 internal and BB386 bottom brackets due to spider clearance. The power meter requires specific chainrings (110 BCD for the P505 Base version) and uses a proprietary interface that locks it to Magene cranks unless purchasing the separate spider-only version (P505-S1103). Accuracy is generally good after calibration, though some units require power scaling adjustments. Common issues include left crank arm loosening (addressed with a redesigned preload bolt), occasional creaking, and firmware update problems.
AI Summary
Pros
- Excellent value for money, often priced around $200-300 USD
- Accurate power readings when properly calibrated, comparable to Favero Assioma and smart trainers
- Easy installation for Shimano-compatible setups with straightforward setup process
more pros in the review
Cons
- Left crank arm preload bolt frequently works loose, requiring threadlocker or replacement with redesigned bolt
- Not compatible with T47 internal and BB386 bottom brackets due to spider clearance issues with some frames
- Proprietary interface locks P505 Base version to Magene cranks only, cannot be used with other cranksets
more cons in the review
Key Points
- Price typically $200-300 USD during sales (11.11 discounts available)
- Weight: Spider 112g, total system ~638g without chainrings
- 24mm steel spindle compatible with Shimano bottom brackets
more key points in the review
Where to Buy
Magene leistungs messer pes p505 bas für shimano sram 4 bolzen 110bcd 24mm cadence pedal ausgleich ant stahls pindel kurbel satz kettenring - AliExpress 18
Specifications
Attributes
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