||20 Oct 2017
We won't try to convince you that elliptical (or oval, the same thing) chainrings will change your life...but they might! What we can say for sure is that they provide an efficiency benefit and smoother power output. With this, you will experience the benefits of better traction, especially with technical climbing, and faster acceleration.
Our proprietary design has ovality of 10% and timing of 112° after TDC (top dead center). These values provide the benefits of an oval ring without the drawbacks of greater ovality or more aggressive timing.
The simplest way to explain how they "feel" is that where your pedal stroke is weakest it feels like you have a 2 teeth less on the chainring and where you have the most power it feels like you have 2 more teeth. They feel this way because with the radius of the chainring constantly changing, the torque needed to turn the cranks is constantly changing to better match your power output. 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.
• These rings fit on the Shimano XT M8000 1x or 2x cranksets, and here are instructions on how to measure your BCD.
•Use only the stock Shimano XT M8000 chainring bolts
•For 1x9, 1x10, or 1x11 drivetrains
• •Compatible with all 10 and 11 speed chains.
•If using a 9 speed drivetrain use a 10 speed chain (shifts and works well on a 9 speed drivetrain and fits the ring tighter for better chain retention).
• Provide a great chainline on most boost bikes. See this explanation for details.
GC and GCX cassette extenders
•Design and manufactured in the Minneapolis, MN USA
•Wolf Tooth’s patent pending Drop-Stop® wide/narrow tooth profile for the ultimate chain retention and mud shedding ability
•Recommend the use of a clutch style rear derailleur for the best chain security.
•Colors - black
•Chainline - 49mm
•Must use the special stock chainring bolts. The Wolf Tooth chainring bolts are a different size.
•Ovality of 10% and timing of 112° after TDC (top dead center)
•Maximum diameter is that of a chainring 2t bigger than the size you order (so be sure there is adequate chainstay clearance!)
•If you plan to ride in very muddy conditions, we recommend a chainguide or chainkeeper in addition to a clutch-type rear derailleur! Without these precautions, you may experience chaindrops and/or chainsuck.
•Weight - 30t - 41g, 32t - 50g, 34t - 59g
For more details please click the link below
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