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The Magene PES P505 BASE is a budget priced spider-based cycling power meter & chain-set combination with a 24mm spindle for Shimano road groupset compatibility. The 4-bolt 110mm BCD also allows the use of Shimano chainrings for a seamless upgrade. This video covers all the technical details of this power meter and a review of three rides indoors and out to see how it compares to more expensive options.
P505 BASE Technical Specifications:
●Type: Spider (4 bolt - 110mm ) w/ PES Crank
● PES Crank Lengths: 165mm, 167.5mm, 170mm, 172.5mm, 175mm.
● Q-Factor: 147mm.
● Wireless: ANT+ Power, BLE
● Data: Power, Cadence, Balance, Pedal Smoothness.
● Power: ±1.5%
● Power Range: 0W-2500W
● Cadence: 20-200rpm
● Calibration: Manual Zero, Back pedal zero.
● ATC: Yes.
● Battery: Internal. USB Rechargeable. Up to 200hrs.
● Waterproof Rating: IPX7
● Activation / System Management / FW Upgrades: Magene App
● Power Scaling: ±10%
● Weight: 782g (172.5, 52/36 Shimano Rings)
● Warranty: 2 Years
Links:
Magene PES P505 BASE Official Website: https://bit.ly/3RaYCfa
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Video Index:
0:00 Intro
0:30 PES Crankset Information
1:06 Technical Specifications
2:03 Weight
2:13 Pricing
2:28 Installation / Activation
2:56 Power Analysis - Lama Lab Test
5:08 Power Analysis - Outdoors
7:33 Summary
7:44 Two Main Features
8:23 Shimano 12s Compatible?
8:43 GRX Version Soon...?
9:03 Wrap Up
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#Cycling #PowerMeter #Magene
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Bike part mentions in this video
PowermeterMagene Power Meter PES P505 Base 4 Bolt 110 BCD 24mm Cadence Pedal Balance Ant Steel Spindle Crankset Chainring for Shimano Sram
Created: July 04, 2025The reviewer extensively discusses the Magene Power Meter PES P505 Base, highlighting its performance, compatibility, and value. They note that it sits just below the p505 spider bass power meter in terms of technical specifications but closely matches it with a claimed accuracy of plus or minus 1.5 percent. The reviewer praises its easy installation for Shimano Road group sets, 24mm Shimano compatible spindle, and the inclusion of a crankset with five different lengths. They also mention its wireless connectivity (ANT+ and Bluetooth), power, cadence, balance, and pedal smoothness metrics. The reviewer tested it over two months and found the data to be very good, exceeding expectations for a budget power meter. They highlight its price and 24mm spindle as killer features, making it a great option for first-time power meter users or those looking for an affordable upgrade.
AI-Summary
Pros
- Cheap and accurate
- Shimano Road group set compatible
- Easy swap out and swap in for Shimano users
- 24mm Shimano compatible spindle
- Comes with a crankset in five different lengths
- Wireless connectivity (ANT+ and Bluetooth)
- Provides power, cadence, balance, and pedal smoothness metrics
- Good battery life (up to 200 hours)
- IPX7 waterproofing
- Active temperature compensation
- USB rechargeable internal battery
- Firmware upgrades via Magene app
- Good performance both indoors and outdoors
- Exceeded expectations for a budget power meter
- Great value for money
Cons
- Cadence readings can be a bit spiky
- Does not ship with chainrings (must be purchased separately)
Key Points
- Claimed accuracy of plus or minus 1.5 percent
- 4 bolt 110 BCD
- 24mm Shimano compatible spindle
- Five crank lengths available (165mm to 175mm)
- Q factor of 147mm
- Wireless connectivity (ANT+ and Bluetooth)
- USB rechargeable battery
- IPX7 waterproofing
- Active temperature compensation
- Power scaling adjustable by plus or minus 10%
- Weight depends on crank length (reviewer's setup was 782 grams with 172.5mm crank and Shimano ring setup)
