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AbsoluteBlack Narrow Wide Direct Mount Oval Chainring for Sram 12V Cranks Black

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Tooth

30

€79.95

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32

€79.95

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34

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Description


The Narrow Wide Oval AbsoluteBlack Direct Mount chainring for Sram 12V cranks. This chainring is specifically designed to work with Shimano 12V Hyperglide+ CN-M9100, 8100, 7100 and 6100 chains due to the different tooth thickness. It is the most premium oval chainring on the market with scientifically proven performance gains.

Oval chainrings do not produce more power, they increase pedaling efficiency through better transmission of power. This means that you won't necessarily go further by pedaling harder. But the less force you lose, the more energy you keep, allowing you to pedal harder when you need to and thus reducing your general fatigue. That's why you can ride faster, longer and further with oval chainrings.

Studies conducted by the University of Primorska, Slovenia, show significant differences between the use of AbsoluteBlack Oval chainrings and conventional round chainrings. It is proven that using an oval chainring can provide up to a 9% increase in pedal stroke efficiency, up to 7% less oxygen consumption, 15% less breathing and up to a 10% decrease in heart rate.

Details 
  • Weight : 28T (49g), 30T (54g), 32T (60g), 34T (65g), 36T (69g)
  • Color : Black
  • Crank compatibility : SRAM XX1, XX1 Eagle, X01, X01 Eagle, GX Eagle, NX Eagle, SX Eagle, X1, X0, X9, X7, S2210, S1400, Descendant, Stylo, Truvativ AKA and all DUB cranks.Cane Creek eeWings. GXP and Long spindle BB30. BOOST148 bikes
  • Chain compatibility : CN-M9100, 8100, 7100 & 6100 Shimano 12V Hyperglide+.
  • Material : CNC machined 7075 Txxx aluminum. Long life construction. Type II anodizing.
  • Designed in the UK. Made in Poland (EU).
  • Chain line : depends on the crank model. Each crank model has a different shaft length, but the same chainrings.
  • Ovality : optimized for each size separately. The ovality of the chainring is in the range of 10-14% (depending on the size) and gives a perfect round feeling when riding and timing of 110.5-116.3° after TDC (top dead centre) Patent pending.
  • This is a direct fit chainring, so please use the original nut to fit it to the crank.
If you want to check the frame clearance with a new oval chainring, the measurement of the largest oval dimension (from tip to tip of the tooth) is given below: 28T : 127 mm; 30T : 134 mm; 32T : 143 mm; 34T : 151 mm. 

ADVANTAGES OF OUR OVAL CHAINRINGS FOR SRAM 12V CRANKS :
  • We have mastered our oval chainrings to perfection, so you can get the most out of the oval/elliptical shape.
  • Very slim design for an excellent strength-to-weight ratio.
  • Unique special oval shape (patent pending).
  • Greatly improves traction and climbing ability
  • Unique narrow and wide tooth profiles (patent pending) to keep your chain in place for at least 12 months!
  • Special 3D machining of the teeth for ultimate mud relief, which greatly reduces wear and noise.
  • All rings have integrated threads for easy mounting and reduced weight.
  • Superb quality and great looks - you'll ride faster using oval rings. If you continue to use round rings, the others will become faster.
  • You won't feel the oval shape at all.
  • These trays also help you recover from knee injuries because pedalling becomes smoother and less strenuous.
  • The oval (elliptical) chainring does not compromise the function of the Clutch rear derailleur.
  • It also does not require a chain tensioner when used in single speed.
HOW TO MOUNT THE ABSOLUTEBLACK OVAL CHAINRING ON SRAM CRANKS :

You need to unscrew these 3 torx t-25 bolts from the crank. Then remove the spider+chainring combo you currently have there. Clean the splines and put some grease on them. Position the chainring in place (note there is only one way to fit this chainring to Sram crank, so you don't have to worry how to do it). Close all 3 bolts to about 5-7 Nm.

Is a chain guard necessary? No. But if you want one, the guide bar must have 2 teeth more than the nominal size of the oval chainring.

* Always use a new chain with a new chainring.

MORE INFORMATION

Features

Position Single
BCD Direct Mount
Tooth 32
Speed 12

Customer

Q&A

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