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Easton EC90 SL Power Meter Crankarms
Easton EC90 SL Power Meter Crankarms
Easton EC90 SL Power Meter Crankarms

Easton EC90 SL CINCH Power Meter Crankset

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Backorder: This item is currently out of stock but is available to purchase today as a backorder. The expected availability date shown above is our best estimate as to when it will be shipped to you, but this date is subject to change based on our receipt of this item from its vendor. Shipping in the continental US is free for all backorder items (for international orders, our customer service team will contact you when the item is available to ship). Your credit card will not be charged until your item ships (Paypal requires payment up front, but you can cancel for full refund). Anytime prior to shipment, your backorder can be cancelled by contacting our customer service team.

The Easton EC90 SL Cinch Power Meter Crankset combines state of the art power measurement with industry-leading versatility and weight savings by adding their CINCH power meter to their highly adaptable EC90 SL Crankset. With their spindle-based CINCH power measurement system, achieve reliable and precise power measurement and cadence readings in a clean, protected spindle.

Designed around the EC90 SL crankset, this versatile system utilizes RaceFace's Cinch technology, replacing the traditional crank spider and ensuing spider-mounted chainrings with direct mount 1x or 2x spiders. Pre-ride a cyclocross course and swap out for a larger or smaller spider on the fly to suit the course or the competition. Swap the 1x spider out for a 2x spider and make that same 'cross race bike a road riding machine.

Replacing the standard spindle, Easton's CINCH Power Meter system utilizes spindle-based power measurement to match the versatility of the crankset. Housing the 400+ hour rechargeable battery and power sensors inside the spindle keeps them protected from the elements, impacts, or anything else that might interfere with data collection. Using the CINCH App, check battery levels, install updates, and calibrate the power meter on the fly.

Includes Easton CINCH Power Meter Spindle and EC90 SL Crank arms, CINCH Power NDS Crank Bolt Adapter, 8-16mm Hex Adapter, CINCH Crank Extractor, Antenna Cap Tool, Micro USB Cable. Direct Mount rings and bottom bracket not included.


Features:

  • Spindle-based power measurement meets industry-leading versatility and weight savings.
  • Tracks cadence & pedal efficiency data.
  • +/- 2% Power accuracy.
  • Dual Bluetooth low energy technology and ANT+ radio for head unit compatibility.
  • Claimed weight: 655g (172.5mm 52/36 w/o BB), 507g (172.5mm 40T w/o BB).
  • CINCH Power Meter App for iPhone and Android.
  • Compatible with: BB86, BSA 68mm, PF30 68mm, BB30 68mm, BBright, or 386Evo.

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Reviewed 6/26/2018
by Dave on Rock
Cycling Enthusiast
Seattle WA
Value Rating
Overall Rating
4 of 4 customers found this review helpful.
Follow up long term review.

Just a quick follow up on my first review. My replacement power meter has been working great. The battery life has been exceptional, Im trending towards 1000mi on a charge. Every now and then, it would take time to wake when in sleep mode (a few miles), but the latest firmware seems to have fixed that. The power meter is working well. Ive replaced the chainrings with Praxis cold forged rings and have not had issues with dropped chains any more. Inspecting the teeth, these new rings have slightly taller teeth, so it may be more an issue with chain retention than ring flex. My Shimano rings have similar height teeth as well to Praxis. The slightly shorter Easton teeth may allow the chain to walk off the ring when at extreme angles and high torque. So overall, Im pleased with the crank and meter now, but chainring teeth profile may need more optimization.

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Reviewed 2/27/2018
by Seattle Dave on rock
Cycling Enthusiast
Seattle
Value Rating
Overall Rating
15 of 15 customers found this review helpful.
Mixed feelings, good product that could use stiffer rings.

There are not very many reviews on this Easton Power Cinch double crank. I took a dive and decided to go for it. I have used the standard non power Cinch crank with an Easton 1x ring and it is a fabulous product. The rechargeable spindle mounted power meter seduced me the most. Having used another brand power meter for a good number of years on multiple bikes, the thought of not having to keep adding to my pile of coin cell lithium batteries was appealing, let alone dreaded dead batteries due to water infiltration and what have you. The advertised battery life is stellar, but what will the real world experience be like?

So here we go. Mechanically, the crank arms and spindle and as awesome as the standard, essentially the same. The spindle has a central cover assuming there is some sort of torque load cell there. Mounting was a breeze, charged up and connected via Bluetooth quickly to my iPad to update the firmware. The Easton account and login (required for updates) was a bit hard to figure out at first, but once in, it an issue. Calibrated quick and the meter seemed accurate and work well for a few months using ant. Then sometimes during rides, the meter would read zero for a few minutes. Maybe twice during a ride it would do this. It would say connected but would read zeros. If I forgot it and tried reconnecting, it would not pair, and tried Bluetooth with different rates of success. Then a bit later as the rains of autum set in, the battery started to drain quickly. It would go dead after a few days. Every time I charged it, it would do the same. It would work while it had juice left, it just would not last but a few days. Then some days it would read power level that seemed off. Something was definitely wrong. I recorded the battery history for a few weeks and contacted Easton and shared my data. They replaced it with a new spindle, and its been working great since. I have yet to run the battery dry, it lasted a few months before the original started going bad, and the new one is still going on a few months, but at the rates they have been wearing down, it seems like they will last a good long time. I purchased a second one, and has been working fine.

Now onto the chainrings. They shift great, just a touch slower than Shimano DA, but no issues there. I run the 52t up front, and I feel the big ring is too flimsy under high load. When sitting in the big ring and a small cog, if I jump on a max effort sprint, the chain would often slip off the front ring on the outboard side with a snap, as if the chain angle to the small cog in the back was forcing the chain off the ring, maybe combined with the ring deflecting outboard. I adjusted the front drailleur (Etap) so that it would gently rub on the outboard side, even then, t

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