Quarq TyreWiz Sensor For Presta Valve 2 Units

The Quarq DZero Powermeter Spider is compatible with Specialized S-Works racing cranks from model year 2013.

A specialized Lock Ring Tool is required for installation.


Features:

- 10K Active Temperature Compensation
- Wireless data transfer via Bluetooth Low Energy or ANT +
- Chain shifts require no recalibration has no influence on the measuring accuracy
- Cadence measurement via acceleration sensors (no additional magnet required!)
- Waterproof construction according to IPX7 standard
- LED-Power indicator always informs about battery status
- 200 hours operating time (toolless battery change according to CR2032 standard)
- Power Balance
- +/- 1.5% measuring accuracy


Technical specifications:

- Material spider: aluminum
- Bolt circle diameter : 110 mm compact 5-arm
- Compatibility Crank: Specialized S-Works Road cranks from 2013
- Technology: Quarq Power Meter
- Chainrings: without

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