OVAL traction chainring for shimano XTR M9000
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Our Premium 1X Oval 96BCD traction chainring is designed for Shimano XTR M9000 and M9020 cranks Only. They feature exactly same oval shape as rest of our oval chainring portfolio. They are not compatible with XT M8000 cranks.
" The oval rings continue to impress me and have made a genuine difference to my riding particularly as suffer from osteoarthritis in both knees. There does not seem to be as much stress on my knees and they don't ache when I have completed my rides. I am super impressed!"
" I had my AB chainring installed last week and after few hours of pedaling, boom, it hit me. This chainring made a big difference. My knees didn’t hurt, I felt faster on flats and uphill. "
" I’ll never go back to round. Super smooth, eased my knee pain, and has helped my climbs on technical ascents ten fold."
" Initially, reluctant. However, after riding my 29er I was very impressed with the power distribution and no knee pain. AB undoubtable got it nailed. You won't even know your are riding an OVAL after 15 minutes time."
" Super pleased with the overall look and performance of the chainring. I can 100% say that it does improve my pedaling while climbing and getting through rough uphill stuff. Each pedal stroke is now more fluid and cadence is better on those longer climbs."
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Size (Mass +/-1g): |
30T (44g), 32T (53g), 34T (63g) |
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Color |
Black only |
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Compatibility? |
Fits only Shimano XTR M9000 and M9020 cranksets. Not compatible with Sram Flat Top chain or Shimano HG+ chain. |
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Material |
cnc machined 7075 Txxx Aluminum. Long-lasting construction! Type II anodizing |
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Chainline |
Perfect 49mm |
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Mounting holes |
4 x 96mm BCD Asymmetrical design. Original M7 bolts only |
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Ovality |
Optimized to each size separately. Range: 10.2-14.4% and Timing of 110.5-116.3° after TDC (top dead center) Patent Pending |
All 3 sizes have built-in M7 threaded standoffs to provide the ideal 1X chainline. They improve stock Shimano chainline by 1mm.You can only use Original Shimano M7 bolts with these chainrings(they come with crank).
IMPORTANT: Due to chainring's special offset and requirement to mount the bolts from the front, original bolt covers can't be used. They would also not match the ring shape correctly.
If you wish to check for frame clearance with new oval ring, below you can find measurement of biggest dimension of the oval (tip to tip of tooth):
30T: 134mm ; 32T: 143mm ; 34T: 151mm
Advantages of our special oval chainrings for Shimano XTR M9000 :
*We mastered our oval chainrings to perfection, so you can get best possible advantage from the oval/elliptical shape.
*Finest design to provide excellent weight to strength ratio
*One of a kind special oval shape (Patent Pending)
*Greatly improves traction and climbing abilities
*Unique Patent Pending narrow-wide teeth profiles to keep your chain in place for minimum 12 months!
*Special 3D teeth machining for ultimate mud relief decrease wear and noise dramatically
*All rings have built in threads for easy of mounting and reduction in weight
*Superb quality and great look.
*You will ride faster using ovals. If you keep using round ring then others will get quicker.
*You will not "feel" the oval shape at all
*Reduces stress on knees
How to mount Absoluteblack oval chainring:
There is a small mark (triangle shaped) on the inner circumference of the chainring. This mark Must sit behind the crank arm.
Oval (elliptical) chainring does not compromise the work of clutch mechanism in rear derailleur(video at the bottom). It also does not require chain tensioner when using in singlespeed application. Riding out of saddle on the uphill will become more pleasant.
Ovality of the chainring is in range of 10-14% (dependent on size) and feels perfectly round when riding. These chainrings also help you to recover after knee injuries as pedaling becomes smoother and less exhausting. It is the most advanced oval chainring currently on the market.
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Chain compatibility |
Not compatible with Shimano HG+ chain |
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Chainguide needed? |
No. But if you want one then chain guide should have 2 teeth more capacity than nominal oval ring size. |
Designed in UK. Manufactured in Poland (EU). The World's best Shimano oval chainring.
The most advanced, Patent Pending narrow/wide tooth profile ever produced, guarantee minimum 12 months of excellent chain retention capabilities! We mean it. Always use a new chain with a new chainring.