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  • 4iiii Dura-Ace FC-R9100 Left Arm Powermeter

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102036004
4iiii Dura-Ace FC-R9100 Left Arm Powermeter
4iiii Dura-Ace FC-R9100 Left Arm Powermeter
  • Black
  • Dura-Ace FC-R9100 Left Arm Powermeter
4iiii
GBP
An excellent addition to your road bike, the innovative 4iiii Precision Dura-Ace R9100 Powermeter relays your power and cadence information to your compatible device, allowing you to make every ride the best it can be.
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  • Description
  • Delivery & Returns
  • Customer Reviews
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An excellent addition to your road bike, the innovative 4iiii Precision Dura-Ace R9100 Powermeter relays your power and cadence information to your compatible device, allowing you to make every ride the best it can be.

Top Features of the 4iiii Dura-Ace FC-R9100 Left Arm Powermeter

Accuracy: Measures to within +/-1%
Crankset Compatibility: Shimano Dura-Ace FC-R9100
Wireless Connectivity: ANT+, Bluetooth
Compatible with all cycle computers that use Bluetooth or ANT+ connectivity
Dimensions: 37.7x27.6x7.5mm
Power Range: 0-4000w
Cadence Range: 30-150rpm
Waterproof Rating: IPX7, IPX5
Battery: CR2032 Lithium Ion coin cell, 100+ hours
Module Weight: 8g

Product Data

Bluetooth Enabled: Yes
Ant+ Compatible: Yes
Power Meter Capable: Yes
Road: Yes

As the name suggests, this excellent device is the most precise way to keep on top of your riding outputs. This left-arm model is compatible with Shimano Dura-Ace FC-R9100 cranksets, delivering real-time cadence and power data straight to your onboard computer or smartphone via ANT+ and Bluetooth. Weighing only 8g, it gives output readings to within +/-1% accuracy, letting you make the appropriate adjustments in an instant.

IPX7 waterproof rated and equipped with 100+ hours of battery life, the Precision is an excellent way to keep yourself riding at your very best.

Please note: Crankarm only, no accessories included.

About the 4iiii brand

Coming Soon

Delivery Information

The delivery options available for shipping this product along with the contents of your basket to United Kingdom are:

International Delivery

Wiggle ships to over 100 countries. To see what delivery options are available for other destinations you can update your delivery destination via the International Options feature at the top right of the website.

Goods are shipped from the UK. Does not include delivery charges, local taxes or import duties, if applicable.
More information on International delivery options

Returns Information

We will happily refund any item purchased on Wiggle if returned to us within 365 days; excluding Wiggle gift vouchers, nutrition and customised products, except when faulty.

Please note: Bikes and other bulky items cannot be returned using our local returns service (where applicable). Please contact us and we can arrange to collect these from you using our discounted courier rates. There is a fee for all collections, except for faulty products.

Returned goods must be unused and supplied with their original packaging, unless the goods are faulty. Wiggle will pay the return postage costs for any faulty items.
More information on Wiggle's return policy

4iiii Dura-Ace FC-R9100 Left Arm Powermeter is rated 4.6 out of 5 by 5.
Rated 5 out of 5 by panki83 from Easy setup, excellent working. I have to change the battery(there was a replace one in the box).
Date published: 2020-12-26
Rated 5 out of 5 by DinoL7 from Excellent Product and Good Value Easy to install, worked without any trouble shooting, and reliable. No issues so far, after 1000+ miles. Far better than Avio. Avio was a nightmare...
Date published: 2020-07-25
Rated 4 out of 5 by Klas25 from Works really well, light and looks good. Only downside is I lost the battery cap and 4iiii is super unresponsive.
Date published: 2020-06-15
Rated 4 out of 5 by SteveB242 from Product was really easy to fit and set up and link with head set.
Date published: 2020-06-01
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Compatibility with older Dura Ace?

Will this work with a Dura Ace 9000 series chainset as well?
Asked by: Cervelotester
We can confirm this will only be suitable for the 9100 chainset We hope this helps!
Answered by: WiggleDanB
Date published: 2019-09-09

Chainring sizing?

Hi, the 4iiii site suggests there are different models for different chainring set-ups i.e. Compact or semi-compact or standard. So what one is Wiggle selling pls?
Asked by: aVengeR
OK, I can now answer my question! The 4iiii Precision 'PRO' is dual sided power meter which includes the chainrings i.e. there are several options available. The LEFT arm crank only version must therefore be suitable for any chainring combo.
Answered by: aVengeR
Date published: 2021-02-22

The price £ 341 includes norwegian VAT and taxes?

Asked by: naas
The prices shown includes VAT and taxes for your location.
Answered by: WiggleJC
Date published: 2021-03-19
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Wiggle Ltd. 1000 Lakeside, Suite 310, Third Floor N E Wing, Portsmouth, Hampshire, PO6 3EN, United Kingdom

VAT No: GB 884 2571 94 | Company No: 02667809

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