P505 Spider-based Power Meter - Magene

P505 Spider-based Power Meter

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Lead you to the ridge of cycling

Integrating the multiple compatibility, core function, colorful laser stickers with reliable battery life, P505 Spider-based Power Meter will provide a powerful cycling experience, improving your performance in a scientific and effective manner.

  • S1078
  • S1108
  • R110X
  • S1103

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P505 Spider-based Power Meter
Lead you to the ridge of cycling

Adapting Various Chainring for Flexibility

4-bolt and 5 bolt chainring can be switched freely. Both single and oval chainring can be adapted. P505-S1108/S1103/R110X supporting various 110BCD 4-arm and 5-arm chainrings. Custom-designed for SRAM AXS chainring. P505-S1078 supports the new 107BCD 4-arm chainring.
±1% Power Accuracy, 4 Data Function

P505 spidle based power meter has 4 kinds of power data: power, cadence, left and right balance, and pedaling smoothness. With years of power research and development of advanced algorithms, the measured data is sensitive and reliable, the power accuracy up to ±1%.

Support ANT+ and Bluetooth

1 workout can be recorded on multi devices.

BIKE COMPUTER: Mainstream bike computers like Garmin, Bryton, etc.

APP: Zwift, Onelap, etc.

Easy Charge, 200-hour Battery Life

With in-built batteries, the power meter is charged with magnetic chargers. Fully charged within 3.5 hours, the battery life can reach 200 hours.
Colorful Stickers & IPX7 Waterproof

In the package, we provide 6 colorful laser stickers.

IPX7 waterproof, breaking the limits of wind and rain.

Weight (excluding stickers) 110g (S1078 as example)
Power Accuracy ±1%
Power Range 0-2500W
Cadence Range 20-240RPM
Data Functions Power, Cadence, Left-right Balance, Pedaling Smoothness
Calibration Auto-calibration, Reverse0chain Calibration, Manual Calibration
Wireless Interface ANT+, Bluetooth
Waterproof Grade IPX7
Working Temperature -10-50 ℃
Power Supply Mode Magnetic Base Rechargeable Lithium Battery
Endurance 200h
Compatible Chainring P505-S1108 / R110X / S1103: Shimano 110BCD 4-arm chainring; Sram, Rotor, FSA, etc. 110BCD 5-arm chainring P505-S1078: Sram 107BCD 4-arm chainring
Compatible Crank Arm P505-S1108 / S1078: Sram 8-bolt crank arm (with Sram Red AXS, Force AXS, Red 22, and Quarq, etc.) P505-S1103: Sram 3-bolt crank arm (with SRAM Force 22, Rival 22, S-900 etc.) P505-R110X: Rotor Aldhu, Vegast etc. 45-tooth crank arm
Product Name P505
In the box

In the Box

  • Flange power meter * 1
  • Magnetic charging line * 1
  • Instructions * 1
  • Sticker * 6
  • Warning card * 1
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Select the category below get the answers to frequently asked questions, product setup video and user manuals.


Select the category below get the answers to frequently asked questions, product setup video and user manuals.

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