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This Quarq DFOUR Dub Powermeter Spider is stable light and compatible with Shimano chainrings among others. This spider can be mounted on all Sram and Quarq crank arms where the spider must be mounted with 8 bolts. Stable measuring thanks to ten years of experience This power meter incorporates ten years of experience from Quarq. This means that the chance of malfunctions is further reduced and that the power meter gives strong stable and reliable measurements. This power meter has features such as Quarq MagicZero technology with which it calibrates itself while you are cycling. The meter also adjusts automatically to changing temperatures so that you always have reliable data. This means that the power meter has a deviation of only 1.5%. The power meter is also resistant to weather influences and has a waterproof rating of IPX7. Compatible with Shimano chainrings This Quarq DFOUR Dub Powermeter is designed to match with Dura-Ace R9100 chainrings. However you can also use it together with Ultegra R8000 and 105 R7000 chainrings but these will not quite match in terms of colour and shape.
- This can be a little tough to stomach especially when you’ve been rolling with an expensive power meter that limits compatibility
- This spider enables you to keep running your DUB cranks with Shimano’s Dura Ace 9100 drivetrains so you don’t have to make concessions anywhere
- The spider features Quarq’s new design which requires less correction in order to maintain accuracy in drastic temperature changes