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Wolf Tooth Elliptical 104 BCD Chainring
Wolf Tooth Elliptical 104 BCD Chainring
(12)

Wolf Tooth Elliptical 104 BCD Chainring

Item #: CG207A02
From USD$59.95 SAVE 6% USD$63.95 msrp
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Wolf Tooth Elliptical 104 BCD Chainring

Wolf Tooth Oval 104 BCD Chainring

You’ve probably seen one of these “ovalized” chainrings by now, and have been slapped in the face by curiousness like most of us have. Do things really make a difference in efficiency? The master minds over at Wolf Tooth Components aren’t promising you a pair of wings here, but they aren’t hesitant to relay that these elliptical rings do in fact have a much different feel to them that can provide more efficiency and a smoother power output. Their team of testers report the most noticeable benefits come on punchy singletrack and hills, allowing less shifting and snappier acceleration.

Wolf Tooth’s take on the Elliptical chainring has an ovality of 10% and timing of 112 degrees after TDC (top dead center). What this does is eliminates 2 teeth where your pedal stroke is the weakest and adds 2 teeth where your stroke exerts the most power. For example: a 34t chainring feels like a 32t in the weak part of your pedal stroke and a 36t in the part of the stroke where your legs have the most power.

This model of Wolf Tooth’s Elliptical Chainring is threaded for M8 chainring bolts with built-in 2mm standoffs. With this 2mm offset, the chainline is roughly 48mm on a triple crankset and 50mm on a double crank (varies by crankset).

FEATURES:

  • 104 BCD
  • Threaded to use M8 chainring bolts (no nuts required)
  • Made from 7075-T5 aluminum & black anodized
  • 9, 10, 11 speed compatible
  • Claimed Weight: 32T= 41g, 34T= 48g, 36T= 55g
  • Designed and manufactured in the USA!

Note: Use a 10 or 11 speed chain. If using a 9 speed drivetrain, plan to use a 10 speed chain (it will shift great), as the 9 speed chain fits too loosely on the ring.

4.6 / 5.0
12 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
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5
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Good purchase!. High quality machining, fits well, and it runs very quiet. I'm using it for cross-country racing on a 22lb hard tail. The pedaling resistance feels very smooth & even. The elliptical shape is not noticeable, even at very low speeds. I'd recommend keeping a few optional sizes on hand for different riding areas!
June 16, 2017
Purchased
2 months ago
Location:
Carnation, WA
Seems to actually work!
Was converting a 2x10 shimano setup to a 1x10 using this chainring and a sunrace 11-42 cassette. Very happy with both purchases. the oval shape of this chainring actually give me a very felt different in how smooth the pedal stroke now is. While the surging of power is not completely gone, it is much closer to being gone that I thought would be possible. Also, with the narrow/wide setup on this chainring, I have experienced no chain drops. Everything works for me as advertised!
July 25, 2016
Location:
Great Falls, Montana
I have these on 3 bikes now.
Excellent service
July 19, 2016
Location:
Flagstaff arizona
Upgraded from 2x to 1x
I ordered this to do a 1x11 drive train upgrade on my Giant Anthem. I have another 1x setup, but it is a hard tail and I wanted a full suspension 1x setup. In researching my build I kept seeing elliptical chain rings. I had heard the hype, but wasn't sure it was worth it. I can now say this was the single best part of the upgrade. Peddling is so much smoother now no matter what gear I am in. There is no longer a hard spot and an easy spot in each peddle stroke improving climbs and hard sprints. I have PR'ed every climbing segment since making the switch. That says it all.
June 24, 2016
Location:
Gilbert, Arizona
Great chainring.
This thing is awesome, it's like singlespeed cheating. Especially on uphill grinds! Love it.
This thing works awesome! Like single speed cheating, especially on uphill grinds!!!
This thing works awesome! Like single speed cheating, especially on uphill grinds!!!
April 7, 2017
Purchased
4 months ago
Location:
Santa Clarita, CA
Oval all the way!
Someone told me to get a 32 T oval ring since I wasn't sure what to replace my 34T NW. After doing some research, I realized I could get the benefits of a 30, 32, and 34 in one package. My climbing has improved!
November 7, 2016
Location:
Putnam Valley, NY
Excelent!!!
Fine!
October 21, 2016
Location:
Miami Beach, FL
Not bad
It works well retaining the chain. Works with OEM Shimano bolts and 785 XT cranks. Not sure if the oval shape makes any difference but certainly does not bother me. Basically I feel no change.
December 9, 2016
Purchased
10 months ago
Location:
Rossland, BC
Thumbs up
Works great, feels natural when pedaling.
June 22, 2016
Location:
Steamboat Springs, CO
It's Not Your Father's Bio-Pace
It's Not Your Father's Bio-Pace !
Feels Like More Traction in Lose Dirt going Uphill

PROS: Attractive Design, Better Traction Uphill, Lightweight, Easy To Install, Nice On The Knee's

BEST USES: Road Biking, Riding The Hills, Racing, Upgrade, Mountain Biking, Casual Riding
March 15, 2016
Location:
Los Angeles, CA

Q & A

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Browse 1 question Browse 1 question and 6 answers
Does this work on a SRAM X1?
Chance L on Jan 21, 2017
BEST ANSWER: I can't be sure because when I looked up the Sram X1 crankset, there were several different models. Some models have the chain ring attaching via a spline. But if your model has the 140mm BCD (bolt center diameter= diameter of the bolt circle) then this should work fine. I used mine on a shimano LS crankset which is a 2 x 10. It works fine except it's really made for a single Chainring crank. I have to make sure I have no pressure on the crank when I switch from the Oval down to the granny gear chainring.

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Free Shipping Offer

Get free Standard Shipping with your $50 purchase today! Just choose Standard Shipping during checkout.

Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items.