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  • Stages Cycling Shimano Dura-Ace R9100 Gen 3 Dual-Sided Power Meter Crankset
  • Stages Cycling Shimano Dura-Ace R9100 Gen 3 Dual-Sided Power Meter Crankset Detail
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Stages CyclingShimano Dura-Ace R9100 Gen 3 Dual-Sided Power Meter Crankset
$1,299.00

Item # SGC0017

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  • Black, 170mm 50/34 ($1,299.00)
  • Black, 170mm 52/36 ($1,299.00)
  • Black, 170mm 53/39 ($1,299.00)
  • Black, 172.5mm 50/34 ($1,299.00)
  • Black, 172.5mm 52/36 ($1,299.00)
  • Black, 172.5mm 53/39 ($1,299.00)
  • Black, 175mm 50/34 ($1,299.00)
  • Black, 175mm 52/36 ($1,299.00)
  • Black, 175mm 53/39 ($1,299.00)
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Item # SGC0017
Description

Tour proven power meter.

There are plenty of great power meters on the market, but let's face it, if you have a Dura-Ace 9100 group, you don't want to run a third-party crank and part with those excellent shifting rings and stiffness of the 4-arm asymmetric design. And while there are options on the market that utilize the 9100 crankset, none offer quite the simplicity and a price that compares to the Stages Cycling Shimano Dura-Ace R9100 Gen 3 Dual-Sided Power Meter Crankset. Now you can accurately train with power at a price that is relatively affordable. This complete dual-sided crankset provides data from a power meter on each arm so it's more accurate and allows isolation of right and left legs to train better and check leg balance all while maintaining the beauty of a complete Dura-Ace R9100 group, with its wide and stiff crank arms and precisely shifting rings.

This Stages crankset is the ideal option if you currently ride with a Dura-Ace 9100 group or are building up a bike and you can purchase this crankset instead of the stock, non-watt reading crank. Either way, the crank matches the aesthetic of the complete 9100 group and provides you with all of the engineering bestowed by the Shimano engineers, with power reading courtesy of the Stages engineers. The power meters are tiny, sitting inside of the non-drive side arm, and on the spider of the drive side crank, adding a nominal 35-grams to Dura-Ace's standard weight. Tucked inside of these little pods are strain gauges and an updated accelerometer that measure force and rotations delivering the power readings to your head unit with a claimed accuracy of +/- 1.5%, which is right in-line with other quality power meters on the market.

The meter also incorporates Stage's Active Temperature Compensation (ATC), which compensates for the natural expansion and contraction of the strain gauges by adjusting the readings depending on external temperature. ATC accounts for those temperature changes without requiring you to stop pedaling in order to zero the system. Other weather factors to consider are the rain and wet, and Stages protects the power meter with a water resistance rating of IPX7, keeping the internal electronics dry during rainy rides and bike washes. Stages meters are mountain and 'cross bike tough so even through creek crossings and power washings, the IPX7 rating gives the meter protection from the wet up to 1-meter underwater for up to 30 minutes. The power meter is all powered by two readily available CR2032 batteries on each arm, offering up to 175 hours of riding with data, with an easy to replace and tool-free interface on the non-drive-side, and a simple Philips head screw access point on the drive side. Gen 3 models receive upgraded Bluetooth LE and ANT+ radios which offer a 6-time improvement of data transmission strength so your head unit never misses a watt. Wireless firmware downloads are available to keep the power meters up to date.

  • Sleek Dura-Ace 9100 cranks with accurate power measurement
  • Measures power with +/-1.5% accuracy
  • Data is measured left and right to better improve your training
  • Active Temperature Compensation accommodates changing the weather
  • Upgraded accelerometer measures cadence with improved accuracy
  • New radios enable stronger wireless communication
  • Pairs with Stages Power App for firmware updates and zero resets
  • 175+ hour battery life with user serviceable CR2032 coin cell battery
Tech SpecsWeight
Tech Specs
Arm Material
Aluminum
Arm Length
165, 170, 172.5, 175mm
Chainring Sizes
50/34, 52/36, 53/39t
Bolt Circle Diameter
110 asymmetric
Bolts
4
Rings
2
Spindle
24mm
Compatible Components
Shimano 11-spd road, Bluetooth LE, ANT+
Recommended Use
cycling
Manufacturer Warranty
1 year
Weight

Actual Weight

Actual weights are measured in-house by the Competitive Cyclist team.

Have questions? Chat with a Gearhead

Grams

Oz

Black, 170mm 50/34
645g
22.75oz
Black, 170mm 52/36
658g
23.21oz
Black, 170mm 53/39
n/a
n/a
Black, 172.5mm 50/34
652g
23.00oz
Black, 172.5mm 52/36
670g
23.63oz
Black, 172.5mm 53/39
670g
23.63oz
Black, 175mm 50/34
496g
17.50oz
Black, 175mm 52/36
657g
23.18oz
Black, 175mm 53/39
662g
23.35oz

Claimed Weight

Claimed weights are provided by the vendor.

Have questions? Chat with a Gearhead

[power meters] 35g

Reviews & Community

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Please never buy one, ever

  • Familiarity: I've put it through the wringer

One unit died 2,000 miles in, second unit died 1,500 miles in. If you like PMs that never work, consider a Stages. While they were working, there were constant connectivity issues. Get a Pioneer, Quarq, Power2Max, or SRM instead.

Massive Improvement

  • Familiarity: I've used it several times

After putting roughly 500 miles on this gen3 Stages, I can tell you its much improved over the gen2. No dropout of signal, I get a constant reading of my power. Quite honestly, that's all we're looking for, right? Consistency and reliability. I've had Quarq, they're great. I've used the new Shimano 9100P, very, very good. Even though the Shimano 9100P tends to measure output slightly lower than that of the Quarq and Stages Gen3 - with the same effort - at least it's consistent. The Stages Gen 3 seems to be at least equal to the Quarq, which is exactly what I was looking for. Nice job by Stages to fix the bugs with the Gen3 model so it hooks up consistently, and reads consistently with the Garmin computers. Just to be clear, the issue with the Gen2 model was with the Garmin from what I noticed. Make sure you calibrate the power meter with your computer!!