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The Absolute Black Gravel 1x 'Traction' Oval chainring for 5-bolt systems uses a narrow-wide profile for excellent chain hold and offers superb clearance for mud and grass. Suitable for road 1x too and available here in Ultegra Grey
The Absolute Black Gravel 1x 'Traction' Oval chainring for 5-bolt systems uses a narrow-wide profile for excellent chain hold and offers superb clearance for mud and grass. Suitable for road 1x too and available here in Ultegra Grey
Absolute Black

Absolute Black Gravel 1X Oval 110x5 Narrow-Wide Chainring : Grey

£74.99
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Absolute Black Gravel 1X Oval 110x5 Narrow-Wide Chainring : Grey

Brand:Absolute Black

Code:5846GRY

The Absolute Black premium 1x Gravel 110/5 bcd oval chainrings are designed for all Shimano 5 bolt cranks like Dura Ace 7950, Ultegra 6750, Shimano 105- 5750 and many others. The perfect choice for gravel & road 1x setups, they are also Eagle 12 speed compatible and feature narrow-wide tooth profiles for exceptional chain retention on the chainring. Delivered with mounting bolts for your convenience. Each chainring has a 1.5mm offset towards frame for the perfect chainline and offers incredible stiffness despite the many weight reducing cutouts.

The Absolute Black premium Oval chainrings have been independently proven to help riders deliver their power both more effectively and with less exertion. In a study conducted by the university of Primorska, Slovenia; Absolute Black Oval chainrings were demonstrated to deliver up to a 9% increase in force effictiveness (power delivery through the pedal stroke), a 7% reduction in Oxygen consumption with up to 15% lower respiration rate, while at the same time delivering a reduction of up to 10% in heart rate. In other words, Absolute Black oval chainrings allow riders to deliver the same power for longer periods and with reduced effort. If you are a climber - or perhaps if you are not - you will feel the benefits more as you climb higher, as Oxygen levels dip and exertion typically increases.

Much has been made of the potential damage that Oval rings can result in for riders' knees - but much of this was based on the Shimano Biopace chainrings of old. Biopace ring profile is demonstrably wrong, with timing of the oval shape incorrect and which could result in knee issues. Since Biopace is long gone from the market, the current technolgy can be viewed as an entirely new product and Absolute Black rings feature ovalisation pitch and timing that is optimised to enhance the pedal stroke and complement human physiology. Oval chainrings maximise the part of the stroke where power is produced and minimize resistance where it isn't. As a direct consequence, Oval rings enhance a cyclist’s ability to spin with a smoother power delivery and feel easier on legs while climbing.

Many will view the use of oval chainrings as something reserved for the pros or those competing at high levels in road racing and triathlon. Conversely though, it is us mere mortals that benefit the most from the technology. Switching to oval rings is an extremely effective way to correct an imperfect pedalling action – helping us to smoother power delivery that the pros developed through thousands of hours of training. One of the key reasons the benefits of oval chainrings have historically been hard to prove in lab tests, is because they were nearly always done using Professional riders – as a user group they are the least likely to gain a performance increase from a switch to oval. Where oval rings shine however is with rest of us, who ride for pleasure and not for a job.

Even if our pedal stroke hasn't historically been all that bad in and of itself, there are often other factors that result in degredation of our form. I'm a pretty good example - as I generally am when it comes to physiological imperfection! I have a right leg that loves to pedal, and a left that doesn't...

Over the last 20 years I have damaged my left knee in crashes twice, and torn my left achilles tendon on 2 separate occasions. Combined with a once-torn left hamstring and a lower back that persists in fighting this irate left leg for control of my pelvis, I have a less than graceful left leg pedal stroke. It is one that has caused issues with my already beleagured knee. I recently switched to Absolute Black rings, not for improved numbers (though they have definitely helped) but more for relief of my left leg - specifically the knee. Being of a scientific bent, I have repeatedly switched between Oval and Round rings for weeks at a time to see if I can feel the difference and I can say in good conscience, that the reduced load on my knee from the use of the Oval rings has significantly reduced any irritation I have had in my left knee. As an added bonus, the interval between visits to my osteopath have also increased. I say this as one who has always been sceptical of the oval ring and one who recently returned from riding Nice to Geneva with zero issues other than wet shoes and an angry saddle sore!

So why Absolute Black specifically? Unlike other oval chainring brands who have a singular oval profile, Absolute Black have a unique ovalisation (called 'clocking' as it relates to the degree and timing of the ovalisation of the ring) for each of their chainring sizes or size ranges. This ensures the perfect clocking regardless of ring size and it is what sets the company apart.

Ultimately, you may not feel that you need them but as far as I am concerned, I'm a convert. A small investment offers genuine energy savings, more efficiency and - certainly for me - improved loading that reults in more enjoyable cycling, which is the ultimate goal. From comfort comes speed!

  • €87.62
    EUR
  • $121.13
    AUD
  • $106.97
    CAD
  • $131.95
    NZD
  • $77.81
    USD
  • CHF70.67
    CHF
  • kr1,023.80
    SEK
  • kr10,974.07
    ISK
  • kr653.75
    DKK
  • kr858.52
    NOK
  • ¥12,017.89
    JPY
  • ADVANTAGES OF Absolute Black GRAVEL 1X OVAL 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 ease
    • Superb quality and great look.
    • You will ride faster using ovals. 
    • Reduces stress on knees and helps to maintain your legs fresher for longer
    • You will not "feel" the oval shape at all
     
     
    HOW TO MOUNT GRAVEL 1X 110/5 OVAL CHAINRING:
    1. First you need to remove crank from the bike.
    2. Once removed, unscrew the 5 bolts that hold two original rings together with a T-30 torx or suitable allen key.
    3. Take off both original rings.
    4. Position the Absoluteblack oval chainring in place where the big chainring was, noting that the small indicator on the chainring MUST sit behind the crank arm - in the same way as the original chainring indicates its position (In the case of Sram cranks with a hidden bolt, the indicator has to be positioned exactly opposite to the crank arm).
    5. Use the supplied Absolute Black bolts to lock the chainring in place using a T-30 torx key with force of about 5-7Nm.
    6. Mount your crank back to the bike.
    7. Presto!
     
    NB: Always use a new chain with a new chainring.
    Technical Information

    Size (weight):

    • 44t (82g)
    • 46t (87g)
    • 48t (94g)
    • 50t (104g)

    Compatibility: Shimano Dura Ace 7950, Ultegra 6750, Shimano 105- 5750, Tiagra 4650, FSA Rotor 3D & 3D+, S-works and many older cranks. Fits SRAM Force and Red. 

    Also fits SRAM cranks that have 1 hidden chainring bolt like Force22, Red22 but they need to have a removable spider. Compatible with Di2.

    Material: CNC machined 7075 txxx aluminum. Long-lasting construction

    Mounting: 110 bcd x 5

    Ovality: 10.5-11.4%. Timing of 112-113o after Top Dead Centre (TDC)

    Sizing Information
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