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Quarq DFour Power Meter

Quarq DFour Power Meter

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£899.00
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DZERO INNOVATION FOR SHIMANO BIKES

The DFour power meter is a bolt-on upgrade for Shimano’s 11-speed Dura-Ace 9000, Ultegra 6800 and 105 5800 drivetrains.

FEATURES

Bluetooth low energy technology and ANT+ wireless data transfer.
AxCad - no magnet.
10K Temperature Compensation.
Battery - CR2032, 200-hour battery life, change without tools.
OmniCal - swap chainrings without affecting accuracy.
2-year warranty.
IPX7 waterproof rating.
Accuracy -- within 1.5%, measuring both legs.

OVERVIEW

Every innovation in Quarq’s next-generation DZero platform is channeled into DFour. It embodies 10 years of Quarq technology advances with new features such as dual Bluetooth low energy and ANT+ wireless data transfer, the new Qalvin BLE app and compatibility with BB386EVO bottom brackets.

Designed for Dura-Ace 9000 chainrings. Compatible with Ultegra 6800 and 105 5800 chainrings.
Must be paired with a compatible SRAM bottom bracket.
ELSA RS power meter owners can upgrade using the DFour Power Meter Spider.
Free firmware upgrades with the Qalvin app.
BB30 versions ship with the spacers and wave washer required for BB386EVO installation.

All orders dispatched by Royal Mail.

Items with a value of greater than £50 are sent Royal Mail signed for.

Bulky items (groupsets, wheels & turbo trainers) are sent by courier

Returns
Our policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange unless the product is faulty. You can return any items but we only offer a free returns service on clothing. Only available for purchases in the UK.
Clothing This includes Shoes, Helmets and Sunglasses 
In summary you can return any item within 30 days of receipt for a refund  or to exchange it for the same item in a different size or colour, as long as you meet the following conditions:
  • Unless damaged or defective, we accept the return of items only if they are unopened (except in cases where the item has to be tried for fit) and in their original condition. In the case of clothing  which have to be tried for fit, any returns must be in their original packaging and with any labels still attached.We reserve the right to refuse a returned item if labels have been detached . 
  • Returns form must be included in your parcel failure to do so could result in delays .
  • Must not exceed 2 kg 
  • Please ensure that you retain your proof of postage off Royal mail as this may be required to process refunds/exchanges and failure to provide this may result in your refund/exchange not being processed .
  • We are unable to refund postage that you have paid for yourself unless it has been pre-authorized by Vanilla bikes.
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