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The new Stages Cycling Dura Ace LR power crank is a bilateral power measurement system for left-right power measurement and features improved accuracy (± 1.5%) and temperature compensation, for accuracy regardless of conditions.
The new Stages Cycling Dura Ace LR power crank is a bilateral power measurement system for left-right power measurement and features improved accuracy (± 1.5%) and temperature compensation, for accuracy regardless of conditions.
Stages Cycling

Stages Cycling Dura Ace LR R9100 Dual Sided Power Meter 50/34: Compact

£939.00   
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With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on the Undetermined
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Anxiety-free returns

Returns and exchanges

If you are not completely satisfied with your purchase, simply return the item or items to us in their original condition* within 30 days of receipt. You must notify us in writing within 14 working days of placing your order, by post or email of your intention to do this.

We will issue a refund, credit or exchange the item for a different size / colour if preferred. Delivery charges are only refundable if you have canceled your entire order within the 7 day Cooling-Off Period or where the goods are faulty and a refund is made.

Where you require an exchange, for example, because a size has been incorrectly ordered, we will make a £3.95 charge or deduct the value from Reward Points where available, to cover re-delivery costs.
(Note: For larger items such as wheels, this charge may vary and you will be informed of the price before the item is sent).

Payment for this must be provided before we will send out the replacement item.

For European and International orders the charge will vary depending on the current cost of delivery to that country. For an accurate price, please contact us before returning your item.

Sorry, we cannot accept returns of books or software where any seals have been broken or working products that have been used.

Please note :

  • The item is your responsibility until it reaches us. For your own protection, we recommend that you send the parcel using a delivery service that insures you for the value of the goods.
  • The cost of returning the item to us is your responsibility.
  • The parcel can take up to 7 working days to be processed once received.

* Note: when trying on items of clothing, please ensure that you are not wearing perfume / aftershave or a deodorant which may leave a scent or marks on the item. In the case of cycling shorts please ensure that underwear is worn when first trying them on. The item(s) must be returned in its original packaging with all labels and tags and with all enclosed documentation.

We will be unable to accept the return of any item where there is evidence that these instructions have not been followed.

For large items such as bikes, trainers and associated large / bulky accessories and wheels, we reserve the right to charge a re-stocking fee of 5% to cover our administration costs.

Faulty Item

If the item you received is faulty, please contact us quoting your order number, your name and address, details of the product and the reason for return, and whether you require a refund or a replacement. We will then advise on how to proceed with the return. You have 30 days from receipt of the faulty item to notify us of your intent to return it and a further 30 days in which to do so.

Incorrect Item

If the item you received is not what you originally ordered, please contact us quoting your order number, your name and address, details of the product and the reason for return, and whether you require a refund or a replacement. We will then advise on how to proceed with the return.

All refunds will be given as soon as possible, and usually take the form of a refund transaction onto the card used for the original purchase. At the very latest we will refund your money within 28 days from the day we receive your returned item. In the case of incorrect ordering and undisclosed reasons for return, a credit or exchange may be issued and the customer will be expected to pay the return postage costs.

All returns must be accompanied by a completed returns form and a copy of the original invoice.

You can download a returns form here:

Returns Form

The address for any returns is:

Returns Department
700
68 Peascod Street
Windsor
Berkshire
SL4 1DE

Stages Cycling Dura Ace LR R9100 Dual Sided Power Meter 50/34: Compact Information

Season : 2018

Brand : Stages Cycling

Code : STADR9

The Stages Power meter is the singular product that has helped deliver power measurement and training to the masses. Stages Power has an impressive range of adaptation over the industry's aluminum crank models. This range puts power meters within the reach of every performance minded rider, from road, to triathlon, to mountain bike and track.
 
The Dura Ace LR Stages Power crank is a bilateral power system that delivers left and right power data for those looking for a full suite of power metrics to enhance their pedalling form and is particularly useful for those returning from injury. The Dual Sided Power Meter comes complete with Shimano's Dura Ace R9100 crank set for strength, reliability and exceptional transfer of your power onto the road. The Compact 50/34 chainset is ideal for those riders looking to spin up the climbs whilst having plenty to push-on on the descents.
 
The new 3rd generation Stages Systems have been further refined and improved with improvements in the hardware and software to bring a step change in accuracy, reliability and precision. Improved radio transmission, Bluetooth and ANT+ has resulted in close to a 6-fold improvement in signal strength while an upgraded acceleraometer with the inclusion of a gyroscope has yielded faster sampling and a future method of cadence-force profile upgrading for further refined data and improved precision. A keydevelopment in strain guage resolution has resulted in accuracy improvements with measurements now just ± 1.5% (vs the old 2%).
 
Active temperature compensation and IPX7 waterproofing mean that whatever the conditions, you will have reliable data from cadences between 20 and 220rpm and to powers of upto 2500 watts.
 
For those who have experienced power spiking in previous models, Stages have introduced a Hall Effect Sensor - the ability to use a magnet for Cadence detection. This HES is available in all new models . In addition to the major changes, Stages have also simplified their firmware architecture to help eliminate bugs in firmware and a new NFC - 'Touch-to-Pair' feature is imminent that will make pairing with Stages' Dash Head Unit simpler. The introduction of an LED indicator makes it easier to see battery condition without the need for accessing the Stages Power app or a head unit.
 
The patented Stages Power meter brings power-based training to all disciplines of performance cycling. With advanced technology and simple elegant design, the Stages Power meter is perfect for any cyclist whether looking for their first power meter or a savvy power-training expert wanting to add power measurement to a second bike. Regardless of what piqued your interest in power measurement, you’ll find the Stages Power meter to be the lightest, smallest, most technologically advanced unit available today.
 
The new Stages Power meters weigh just 35g (plus the crank weight) making it the lightest power meter available. In addition Stages Power meters, unlike most systems, are 'bilingual' in terms of their communication and use both ANT+ and Bluetooth Smart protocols; the latter gives the ability to ‘future proof’ this power meter with the ability to update its firmware over the air using an iPhone 4S or iPad 3 (or later) devices, while also keeping its housing impenetrably sealed to the elements.
 
 
  • €1,090.61
    EUR
  • $1,408.85
    AUD
  • $1,370.41
    CAD
  • $1,511.50
    NZD
  • $1,082.98
    USD
  • CHF1,008.22
    CHF
  • kr11,082.41
    SEK
  • kr138,979.23
    ISK
  • kr8,112.00
    DKK
  • kr9,251.17
    NOK
  • ¥117,400.48
    JPY
  • OPTIONS
    • Power Meter Option: Power meter (includes left arm), complete crank
    • Chainring size/style: Standard 39/53t; Mid-Compact 36/52t; Compact 34/50t
    • Length: 165mm, 167.5mm, 170mm, 172.5mm, 175mm, 177.5mm, 180mm
    ADDITIONAL FEATURES
    • Tool free battery replacement
    • Active temperature compensation
    • Accelerometer based cadence measurement
    • Wireless firmware upgrades
    SUPPLIED
    • Non-drive-side power meter
    • Drive-side power meter
    • Shimano crankset 50/34
    • Two CR2032 coin cell battery
    • Lifetime access to Stages Link for power meter management and firmware upgrade
    • Product Identification Card with Serial Number and ANT+ I.D. Number
    • User Guide
     
    FRAME COMPATIBILITY
     
    Provided the space between your crank arm and chain stay is 10mm or more at the point between 5cm and 12cm from the centre of your bottom bracket, this should be compatible.
    Technical Information
    • Accuracy: ± 1.5%
    • Weight: Only less than 35g to base crank arm
    • Battery Life: 200+ hours (coin cell: CR2032)
    • Power range (Watts): 0 - 2500
    • Cadence range (rpm): 20 - 220
    • Water resistance rating: IPX7
    • Frame Compatibility: Most frames, see buyers guide.
    • Device Compatibility: ANT+, Bluetooth Smart Ready
    • Software Compatibiity: Stages Link, Today's Plan, Training Peaks, Strava, Garmin Training Center and others
     
    Sizing Information
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