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Pioneer Shimano Dura-Ace 9000 Powermeter Crankset

$1,499.00

Item # PNR0002

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Item # PNR0002

Adding efficiency to your routine.

Electronic powerhouse Pioneer has spent the last two years working directly with the Belkin professional team, testing and refining its latest powermeter design. The result is a revamped unit mated to Shimano's Dura-Ace 9000 Powermeter Crankset, giving you Pioneer's fully integrated, ultra-sleek, and exceptionally accurate dual-leg strain gauges and transmitter system.

The system measures pedaling force, direction, and overall efficiency via its dual strain gauges that have been bonded to the left and right crankarms. The transmitter itself is bolted directly to Shimano's spider using the original crankset bolts, maintaining an unobtrusive profile that smoothly blends into the spider's arms. These sensor units on the inside of each crank arm are then able to capture 12 points of rotation per leg, at 30-degree intervals. The sensors measure minute changes in the shape of the crank caused when force is applied while pedaling. From this, force is calculated in both the direction of rotation and the radial direction. The combination of these two force components tells us the direction in which the total force is being applied, which is shown using the system's force vectors. Also, a magnet ring that attaches to the bottom bracket measures the position of the crank, allowing precise display of the force vectors at every 30-degree interval throughout rotation.

The force vectors for one full rotation are then wirelessly transmitted to your ANT+ head unit, either third party or Pioneer's SGX-CA900 and 500 models, displayed as pedaling efficiency. The idea is to target these efficiencies for improvement in training and racing. When pedaling efficiency is high, most of the rider's power is being used to rotate the pedals. So, the force measured in the direction of rotation at each of the 12 points is combined to give the total power output for that rotation. This system is more immune to the inaccuracies found in other powermeters that don't gather information at 12 force vectors.

This data is then stored in long file form that can be accessed and analyzed after the ride. You're able to upload your log data to Pioneer's Cyclo-Sphere website, which lets you analyze left and right side pedaling efficiency, power, and force vectors, among many other types of data displayed in easy-to-understand graphs and numerical displays.

For the crankset that the system is paired with, the Shimano FC-9000 features a shift to a new four-arm spider design. This occured for many reasons, but most notably, it's because the four-arm spider matches rigidity with previous 7900, while shaving around 52 grams. However, 9000 has more than meets the eye. Like 7900, you'll find the continuation of Shimano's Hollowtech II construction. Over the past few iterations of Dura-Ace, this manufacturing methodology has played an integral role in attaining weight reduction without sacrificing Dura-Ace's superior stiffness.

The Pioneer Shimano Dura-Ace 9000 Powermeter Crankset is available in sizes 165 to 175mm, with the following chainring configurations: 50/34t, 52/36t, and 53/39t. The powermeter operates wirelessly with ANT+, and it's being offered as a standalone item. However, it is compatible with Pioneer's SGX-CA900 and 500 computers, or any other ANT+ compatible device.

  • Compatible with ANT+ cycling computers
  • Uploads data via Wi-Fi to Pioneer CycloSphere software
  • Torque vector data only with Pioneer's SGX-CA900, 500

Tech Specs

Arm Material:
aluminum
Arm Length:
165 mm, 167.5 mm, 170 mm, 172.5 mm, 175 mm
Chainring Sizes:
53 / 39 t, 52 / 36 t, 50 / 34 t
BB Type:
Shimano Dura-Ace SM-BB9000
BB Threading:
English
Rings:
2
Spindle:
aluminum
Compatible Components:
Shimano Dura-Ace 9000, Pioneer electronics
Recommended Use:
cycling
Manufacturer Warranty:
2 years

Reviews & Community

REVIEWS

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Avg. ride time: 1h 42m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

True L/R Power!

  • Familiarity: I've put it through the wringer

Faultless operation. Simple installation. Does not require magnets unless you're running the Pioneer head unit. Just such a clean setup. Add to that the fact you can swap battery covers to suit your bike, it's just a no brainer.

Great so far!

  • Familiarity: I've used it several times

I just installed my first Pioneer on my new road bike last week, and I am very happy with it thus far.

Power numbers have been consistent and on par with my Computrainer and Tacx Bushido; I have had zero issues, granted it has only been one week, it is still electronic equipment, so I take this as a victory.

Installation was as expected, and very simple. I even used my CA500 computer to do a firmware update before first use, which was relatively easy.

I was not terribly confident in using their magnet patch on the drive-side of the bike; in case of a dropped chain, it could be torn off. So I employed a K-Edge Chain Catcher Pro w/ SRM magnet, which is a perfect solution, especially if you have low clearance where you would normally place a magnet.

Overall, the construction appears very solid, and I expect to update this at a future date with better details, and hopefully a successful experience.


Bradley Gehrig
Customer Account Manager
Office: 801–204-4541
bgehrig@backcountry.com

Unanswered Question

Hello, I want to know what else is included apart from the powermeter crankset. Is there any magnets or cadence sensor in there?

Unanswered Question

Can you explain the issue with this power meter (see Joe 747543 comment) and why does it not work on the Pinarello F8? Is it a spacing issue? Please explain.

Is the 1299 option for getting it installed on cranks available?

it is yes, contact me at kylebrown@backcountry.com and I can help you set that up

Amazing data, simple, clean, & reliable

  • Familiarity: I've put it through the wringer

This is by far the best power meter around. Very easy to use, great looking, and just works. You will have to use the Pioneer head unit (http://www.competitivecyclist.com/pioneer-touchscreen-cycle-computer?ti=U2VhcmNoIFJlc3VsdHM6cGlvbmVlciBjb21wdXRlcjoxOjE6cGlvbmVlciBjb21wdXRlcg&skidn=PNR0004-ONECOL-ONESIZ), as it is the only computer on the market that can display the amount of data the power meter can throw at it. The sales team is very well versed on this and I have been very happy with the unit so far. I found some videos that helped me when looking at power meters.



Here is a new review on Slowtwitch - http://www.slowtwitch.com/Products/Electronics/Pioneer_Power_System_4776.html

Avg. ride time: 26m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

The insides

Here's what the crank looks like inside the cap. CR 2032 batteries are easily replaceable. Two caps come in the package- one black, one red. Let me know if you have any questions or looking for the best price. My number here is 801-736-6396 x 5630 or email adewitt@competitivecyclist.com

The insides

I can change chain ring size by myself?

Yes, Just like a normal crank. Bolts are located on the backside. No need for recalibration.

is there a way to find other colored caps? from online pictures it looks like pioneer makes them but can't find them on sale..

Marco,



The crank comes with a red and a black cap. Others are in the works, but only available for the pro teams at the moment.

The Pioneer Power Meter and Head is fantastic..."BUT" before you go off and drop the cash make 100% sure it will work with your frame. I recently upgraded my frame from a Dogma 65.1 to the new Dogma F8 and the PM does NOT work. I have an expensive paper weight and Pioneer's response was...your dealer should have known. The bottom line is they do a CRAPPY job at communicating what frame sets their cranks work with and don't work with.



Do yourself a favor and check with EVERYONE you can before you actually drop the cash.





Good luck.

Hey JoeP747543, why does it not work? Does it impact the frame? Magnet not work? Does Pioneer have a list of frames that are not compatible?

So changing out the chain rings is just like a normal crank set no need for recalibration?

Being able to order in different colored battery caps is very important to potential buyers who like to color coordinate. I'm more likely to buy an SRM now.

I already have the 9000. Can I add your...

I already have the 9000. Can I add your power meter to it?



Thanks,

Rick

Best Answer

Rick,



The option is coming shortly. You'd have to send your crank in to Pioneer for the install but turnaround is about a week. Cost is low at $1299 for a powermeter. Give me a shout if you have any questions or want to make an order. My number here is 801-736-6396 x 5630 or email adewitt@competitivecyclist.com