OVAL Premium Chainring for shimano XT M8000 / SLX M7000
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Premium 1X Oval 96BCD narrow wide chainring designed for Shimano XT M8000, SLX M7000, M5100 & MT700 1x or 2x cranks only. These chainrings fit Boost and non-boost bikes as correct offset is realized by the crank spider itself, not chainring. Bolts included. It is the most Premium oval chainring on the market with scientifically proven performance gains.
" 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 (50g), 34T (60g), 36T (69g) |
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Color |
Black, Red, Gold |
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Compatibility |
Fits Shimano XT M8000, SLX M7000, MT700 and Deore M6000, M5100 & M4100 cranksets 1X and 2X only. Boost and non-boost. Not compatible with Shimano HG+ chain and with Sram Flat Top chain |
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Material |
cnc machined 7075 Txxx Aluminum. Long-lasting construction! Type II anodizing |
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Chainline |
Dependent on the crank model (1 or B1/B2). Every crank model has different axle length, but same chainrings. |
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Mounting holes |
4 x 96mm BCD Asymmetrical design. |
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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 4 sizes have built-in standoffs to provide the ideal 1X chainline. IMPORTANT - Use provided bolts to mount the chainring
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
Share your Oval chainring photos with us on Instagram: #OvalThis #absoluteBLACK #OVALREVOLUTION
Advantages of our special oval narrow wide chainrings for Shimano XT M8000, SLX, Deore :
*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
*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 narrow wide chainring:
There is a small mark (triangle shaped) on the inner circumference of the chainring.
This mark Must sit behind the crank arm. Mounting procedure is identical for Deore, SLX and XT cranks. Use the stock 1X Shimano M8 chainring bolts that come with crank and Torque them to about 7Nm. IMPORTANT - if you are converting from 2X chainring setup to 1X and wish to mount 30T absoluteBLACK ring you need to purchase 1X bolts from Shimano for this crank, because 2X bolts are too short. Other chainring sizes can use Shimano 2X bolts.
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.
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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 most advanced, Patent Pending narrow/wide tooth profile currently produced, guarantee minimum 12 months of excellent chain retention capabilities! We mean it. Always use a new chain with a new chainring.