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ABSOLUTE BLACK Premium Oval Road 110/5BCD for Shimano Chainring

219.00 AED 219.0 AED 219.00 AED

219.00 AED

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Premium Oval 110 BCD 5-Bolt Road Chainring

Absolute BLACK Premium Shimano 110/5 bcd oval chainrings are designed for pre 2014 cranks like Shimano Dura-Ace FC7950, Ultegra FC6750, Shimano 105 -5750 and many more with 5 bolt fitting. Super fast shifting and amazing smoothness of pedaling. It is the most Premium oval chainring on the market with scientifically proven performance gains.


  • One of a kind special oval shape that helps you climb easier and faster (Patent Pending)

  • Over 15% stiffer than Rotor Qrings due to thicker, 5mm construction

  • Bespoke Absolute Black 6 point ramp and recess shifting design shifts better than any other brand and model of oval chainring

  • Finest design that provides excellent strength to weight ratio

  • You will not "feel" the oval shape while pedaling

  • Your pedaling action will feel smoother

  • Helps reduce stress on knees and helping your legs remain fresher for longer

  • You will be able to maintain better cadence while climbing

  • Reduces possibility of leg cramps

  • You will reduce chainring/cog shifts by at least 15%

Specifications :

Size (Mass +/-1g)
34T (30g), 36T (36g), 38T (41g), 50T (122g), 52T (135g)
Black, Red, Grey (inner ring black only) Bolts are available in black only
Shimano Dura-Ace 7950, Ultegra 6750, Shimano 105- 5750, Tiagra 4650, FSA, Rotor 3D & 3D+, S-works and many more older cranks. Also fits Sram Force and Red but NOT compatible with Sram cranks that have 1 hidden chainring bolt (Force22, Red22). Compatible with Di2
If you currently use 53/39T chainrings you have 130BCD cranks (not 110bcd). In this case please look at our 130BCD chainrings as you will not be able to use anything smaller than 53/39T.
For Outer chainring please order Long bolts
Changing Inner chainring to oval only? use original bolts
Material & Finish
cnc machined 7075 Txxx Aluminum. Long-lasting construction, type II anodizing
Optimized to each size separately. 34T- 6.5% ; 36T- 11.4%, 38T- 11.4%, 50/52 - 10.3% ; Timing of 108 -109.5° after TDC (top dead center) - Ideal for road climbing.
Patent Pending
34T Non - SRAM, 50T Non - SRAM, 34T SRAM, 36T SRAM, 50T SRAM


To proceed with the adjustment, you will need 2mm and 5mm allen keys.

Trouble shooting:

  • If your derailleur over shifts the chain when moving from small ring to the big ring, it means your "gap" is greater than 2mm when chain is on big chainring (see video). You may need to reduce the gap. Your front derailleur may also be too high compared to what is advised on the video. Last thing to check is if your cage is parallel to the big chainring face.

  • If your front derailleur is hesitating to shift from small to the big ring then two issues may be present. The "gap" may be too small (It has to be 2mm - SEE VIDEO) or your cage is not parallel to the big chainring face.


  • First, you need to remove your crank from your bike.

  • Once removed, unscrew the 5 bolts that hold two chainrings together with a T-30 torx key.

  • Remove both original rings.

  • Locate the new oval inner chainring with the triangular timing indicator positioned behind crank arm.

  • The bolt holes on the small chainring are recessed – so the nut heads will sit flush with the surface of the chainring - these recesses should face you when mounting the bolts. Absolute Black outer chainrings have a specific recess to accommodate the rear edge of the crank arm - position the outer ring to line up that recess with the crank arm.

  • If you are only switching the inner chainring to oval - use the original bolts that came with your crank. If you are switching to a pair of oval rings, you will need a set of regular ‘double’ chainring bolts.

  • Tighten all four bolts with force of about 5-7Nm. Mount your crank back to the bike. You may also need to adjust the front derailleur upwards by 2-3mm.

absoluteblack oval chainring mounting instruction. How to mount oval chainring to Dura-ace 9000

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