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  • Race Face Cinch Power Meter Spindle
  • Race Face Cinch Power Meter Spindle Detail
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Race FaceCinch Power Meter Spindle

Item # RCF005E

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  • Silver,134mm ($599.99)
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Item # RCF005E

The data you need to get faster.

An invaluable tool for assessing your output during long training rides, grueling intervals, and competitive races, the Race Face Cinch Power Meter Spindle offers the adaptable versatility of Race Face's Cinch system while delivering cadence and pedal efficiency directly to your head unit or smartphone for analysis. Not only is the meter's +/- 2% power accuracy on par with many industry leaders, but the Cinch Spindle adapts to a wide variety of cranks from both Race Face and Easton.

This left-side power meter is safely tucked into your bottom bracket shell, ensuring longevity over crank arm meters prone to rock strikes and damaging impacts on the trail. The 400-hour battery life is impressive, outlasting many of the other gadgets and head units hooked up on our mountain bikes. When it's time to recharge, simply pop off the port and plug in a USB cable to quickly juice this power meter.

Dual Bluetooth low energy and ANT+ ensure seamless compatibility with today's smartphones and head units, with Race Face offering a Cinch Power Meter app for both Apple and Android devices. Another feature to note is the power meter's auto-start/stop function, which can be disabled from the app when you're traveling to the trail head or race venue.

The Race Face Cinch Power Meter comes with an antenna cap tool, crank extractor/crank bolt adapter, 8 - 16-millimeter hex adapter, USB charging cable, and installation/operation manual.

  • Quantify power while riding XC, trail, and enduro
  • Adaptable versatility with Race Face Cinch system
  • Attaches to Race Face and Easton cranks (check specs)
  • +/-2% power accuracy on par with industry leaders
  • Delivers cadence and pedal efficiency to head units
  • Dual Bluetooth low energy and ANT+ compatibility
  • Cinch Power Meter app for iPhone and Android devices
  • Excellent 400-hour battery life and USB rechargeable
Tech SpecsWeight
Tech Specs
BB Type
BSA 68/73mm, BB92/89, PF 30 68/73mm
134mm Cinch mountain spindle
Compatible Components
Race Face Next SL G4, Next G3, Next R, Turbine, Easton EC90
Recommended Use
mountain biking
Manufacturer Warranty
2 years

Actual Weight

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

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Claimed Weight

Claimed weights are provided by the vendor.

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Unanswered Question

I have race face cranks on my tallboy. I love my quark meter on my road bike. Will the Cinch be useful? I genuinely appreciate your and everybody's advice.

Avg. ride time: 4h 57m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Will this spindle length give the correct chainline for a Boost width frame?

Yes, running on a Yeti frame with boost chainline without issues. No adjustments to shifting or chaininguide.

Huge mistake.

  • Familiarity: I've put it through the wringer

Well I gave it shot but it is not on par with the quarqs for sure. Nothing but problems and highly inaccurate.

1st it wont turn on right away. My unit takes about 10 minutes of riding to turn on and randomly turns off, always in the middle of intervals.

Using the power calibration test it reads about 20-30 watts lower than all my quarq's( I have 5) and Tacx Neo.

Raceface is refunding my money.

Avg. ride time: 7h 43m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Installed and ready to try...

  • Familiarity: I've used it once or twice and have initial impressions

These things are so new and there's not much info out there so I thought I would share my initial impressions. I have a Cinch system with Next SL cranks on my XC bike so this was a direct replacement for my spindle. The package includes everything that you need to remove the old spindle and replace the new except for 2 and 8mm allen keys and large crescent wrench. Ideally, you need a torque wrench that can go to 50nM. I tested it in front of my house and everything worked as expected. I can't wait to try it on my first ride and will try to post a follow-up.

Install items to note:
1. You need grease.
2. You need aerosol lube to blast everything before you try to take the existing cranks off.
3. Do not underestimate how hard it it to loosen the old cranks, 50nM is a lot.
4. If you don't have the tools or expertise, just do yourself a favor and take it to a shop.

I bought one too. What has your experience been like so far?

I've put about 400 miles on the Cinch and I'm very pleased. The unit pairs with my Garmin 520 immediately and I haven't charged the battery at all. After about 325 miles, my first unit started reading massive power numbers but Todd in the warranty dept took care of me and had a new unit out right away. I've put about 100 miles on the new unit and it's working perfectly. It's been great to add a bit of structure to my mtb training with the Cinch. One of the best things is that I can run wider trail tires and carry some extra pads in my backpack and hit all the fun downhill stuff in my area. Even though my climbing times are a bit slower in that configuration, it doesn't matter because I'm training off the power numbers and I know the speed will be there on race day.

Did you have the Next SL or the G4? I have a Next SL crankset and can't find if its compatible, they all say SL G4.


Oooooh come on 50nm is only 36 ft lb....

Thanks for the updates Greg. Still going well?

I've put 2,500 miles on the replacement unit and it's been perfect. I ride it in XC race configuration and trail mode. I'm a pretty aggressive rider and the Cinch has survived several crashes and two broken wheels (I've put it through the ringer). I've never had a power-spike, nor a dropout. It's easy to remove and I've had no issues with calibration. If you have compatible cranks, I see this as a no-brainer if you want to train with power.