1X OVAL direct mount chainring for EASTON EC90SL
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Our premium 1X Easton compatible, Direct mount Oval chainring is designed for Easton EC90SL cranks specifically. Super stiff, mud optimized narrow-wide chainring is a Perfect choice for Cyclocross and Gravel setup.
" 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): |
38T (94g), 40T (101g), 42T (108g), 44T (109g), 46T (120g), 48T (122g) |
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Color |
Black |
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Compatibility |
Easton Cinch(tm) EC90SL cranks and RaceFace Cinch cranks. |
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Material |
cnc machined 7075 Txxx Aluminum. Long-lasting construction |
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Finish |
type II anodizing |
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Ovality |
Optimized to each size separately. Range: 10.2-12.1% and Timing of 110.5-112.3° after TDC (top dead center) Patent Pending |
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):
38T: 168mm ; 40T: 176mm ; 42T: 184mm ; 44T: 193mm ; 46T: 201mm ; 48T: 210mm
Chainrings have 3mm offset. Same as Easton chainrings
Advantages of our special Direct mount chainrings:
*Finest design to provide excellent weight to strength ratio
*One of a kind special oval shape (Patent Pending)
*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
*Designed to handle mud and grass with easy
*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 AB Oval chainring to Easton Cinch crank:
CINCH is a system used by Easton and RaceFace to secure a chainring on the crank. Hence same way of mounting apply. AB chainring has a mark on the backside that you need to line up with the center of the crank arm to achieve the correct position. Once this is done use BB key to close the lockring (torque spec written on the lockring itself)
Oval (elliptical) chainring does not compromise the work of clutch mechanism in rear derailleur. It also does not require chain tensioner when using in singlespeed application. Riding out of saddle on the uphill will become more pleasant. These chainrings also help you to recover after knee injuries as pedaling becomes smoother and less exhausting.
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.
Designed in UK. Manufactured in Poland (EU).
The World's best oval (elliptical) gravel spiderless traction chainring - period!. Non circular chainrings, Non-round chainrings. Asymmetrical chainrings.
Eagle is a trademark of SRAM; Easton, Cinch, EC90SL are trademarks of Easton and are used for informational purposes only.
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