absoluteBLACK CycloCross oval chainring 110mm 5-holes
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Our Premium Cyclocross 110/5(bolt pattern) oval chainrings are designed for cranks like Shimano Dura-Ace FC7900, FC7800, Ultegra FC6750, Shimano 105/ 5750 and many more with 5 bolt fitting. Ideal for 1X conversion of your road crank. Narrow-wide chainring.
Advantages of our special CX Oval chainrings:
- Size (Mass +/-1g): 38T (63g), 40 and 42T coming soon
- Color: Black, Racing Red
- Compatibility: Shimano Dura-Ace 7900,7950,7800, Ultegra 6750, Shimano 1055700, Tiagra 4650, FSA and lot more. NOT compatible with Sram cranks with hidden 1 bolt.
- Material: cnc machined 7075 Txxx Aluminum. Long-lasting construction
- Finish: type II anodizing
- Ovality: 38T11.4% ; Timing of 110.5° after TDC (top dead center) - Patent Pending
*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.
*Reduces stress on knees and helps to maintain your legs fresher for longer
*You will not "feel" the oval shape at all
What size should I choose
Most CX riders choose 38T as most versatile option.
* 38T Oval ring will suit best someone who uses 37 or 38T chainring currently. While pedaling, you will feel similar effort to the one riding round 37T ring, but you will gain the speed similar to riding 40T chainring.
Why our oval chainrings work
Our premium Oval chainrings work because a rider does not produce power evenly through a pedal stroke; they maximize the part of the stroke where power is produced and minimize resistance where it isn't. Oval rings make the spin cycle a lot smoother and are easier on legs while climbing. Believe it (or not), but a round chainring doesn't transfer torque to your rear wheel as smoothly as an Oval one. You will actually feel your stroke to be more "round" with an Oval shape than with a round chainring.
Why it matters
Traction, Traction and Traction. With oval rings rear tire traction improves greatly on loose and slippery terrain. Smoother power delivery to your rear wheel means that you will be able to maintain better, constant cadence; get less stress on the joints (knees) and therefore be able to keep certain level of effort for longer. This results in higher average speed. Moreover, 11 studies made by various Universities in the World show that using oval chainrings human legs utilize more muscle groups (compared to round one), but each of them to lesser degree. Load from pedaling an oval chainring is spread over greater muscle mass which in effect gives you the feeling of fresher and more relaxed legs. It is world's finest oval chainring backed by tens of thousands of customers.
How to mount 110/5 Oval chainring:
First you need to remove crank from the bike. Once removed, unscrew 5 bolts that hold two rings together with 5mm allen key. Take off both original rings. Position Absoluteblack oval chainring in place where the small chainring was (inside position). Please note that small indicator on the chainring Must sit behind crank arm - same way as original chainring indicates its position. You will need new SHORT bolts to mount your new ring (available on our website or you can look for "single" bolts in local bike shop). Close back those five bolts with force of about 5-7Nm. Mount your crank back to the bike. Done
Always use a new chain with a new chainring.