absoluteBLACK Gravel - inner Chainring - Oval - 110mm / 4-Bolt asymmetrical - für FSA ABS - black

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Description of absoluteBLACK Gravel - inner Chainring - Oval - 110mm / 4-Bolt asymmetrical - für FSA ABS - black

absoluteBLACK Premium Oval chainrings for FSA ABS (asymmetric bolt spacing) cranks like Gossamer, SL-K, K-Force. This model fits all 4 and 5 bolt design cranks. 4&5 bolt cranks are identical except the one hidden bolt behind the crank arm in 5 bolt design which is not needed. These are finest FSA compatible chainrings on the market in terms of shifting, stiffness, smoothness of pedaling and manufacturing quality. 10/11/12spd compatible. Di2 Compatible. Made in EU


Features:

  • Size (Mass +/-1g): 34 (32g), 36 (33g), 38 (38g), 39 (41g), 50 (115g), 52 (132g), 53 (134g)
  • Compatibility: All FSA ABS (asymmetric bolt spacing) cranks like Gossamer, SL-K, K-Force, K-Force Light. Both 4 and 5 bolt versions. One model fits them all. Di2 Compatible. 10 / 11 / 12spd compatible. ABS cranks only.
  • Material: cnc machined 7075 tempered Aluminium. Long-lasting construction.
  • Finish: type II anodizing
  • Bolts:
    For Gossamer - use original FSA bolts and spacers
    For SL-K - use original FSA Bolt Covers and bolts
    For K-Force - purchase absoluteBLACK bolt covers (necessary!)
  • Ovality: Optimized to each size separately. 34T- 3.5% ; 36T, 38T, 39T- 11.4%, 50/52/53T - 10-11.2% ; Timing of 108 -110.5° after TDC (top dead center) - Ideal for road climbing. Patent Pending


Important:

  • Ramps on big rings are specially configured for combinations: 50/34, 52/36, 52/38, 53/39T
    If you wish to use other configuration it will also work, but shifting will be slower and may require more "adjustments" of front dérailleur to be acceptable. Also remember that front dérailleur can only accept max 16T difference between 2 chainrings - this is how Shimano and Sram designed them.


Advantages of absoluteBLACK oval chainrings:

  • One of a kind special oval shape that helps you climb easier and faster (Patent Pending).
  • No more mashing on long climbs and wishing for bigger cassette.
  • Have you ever had to walk the climb on sportive race? These rings will save you from it.
  • Your pedaling will feel smoother.
  • AB oval reduces stress on knees and helps your legs remain fresher for longer.
  • You will be able to maintain better cadence while climbing.
  • Reduces possibility of leg cramps.


Why absoluteBLACK's oval chainrings work:

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 using absoluteBlack oval chainrings matters:

Absolute Black oval road chainrings deliver power more smoothly to your rear wheel. This means you are better able to generate and maintain, constant cadence. Because oval chainrings reduce the peak loads on knee joints, riders using them get less stress on the joints (knees) and therefore are able to keep certain level of effort for longer. This results in higher average speed. You don’t need to take our word at Absolute Black; 11 scientific studies by leading universities around the globe show that; in comparison to round chainrings, when using oval chainrings, human legs utilize more muscle groups - but each of them to lesser degree. The overall Load from pedaling an oval chainring is spread over greater muscle mass. This has three key benefits; firstly, it gives you the feeling of fresher and more relaxed legs. Secondly; it allows you to achieve higher average speed riding uphill. Thirdly; spreading the pedaling load over more muscles reduces the risk of cramp, even when riding hard. The compound effect of switching to oval chainrings; the relaxed legs, added climbing ability and reduction of cramp means your overall enjoyment of the ride is enhanced.

How to mount 110/5 Oval chainrings:

First you need to remove crank from the bike. Once removed, unscrew 4 bolts that hold two original rings together with T-30 torx key. Take off both original rings. Position Absoluteblack oval chainring in place where the big chainring was. Please note that small indicator on the chainring must sit behind crank arm - same way as original chainring indicates its position. Use provided AB bolts to lock the chainring in place using T-30 torx key with force of about 5-7Nm. Mount your crank back to the bike. Done
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Fact Sheet of absoluteBLACK Gravel - inner Chainring - Oval - 110mm / 4-Bolt asymmetrical - für FSA ABS - black

Product Name: absoluteBLACK Gravel - inner Chainring - Oval - 110mm / 4-Bolt asymmetrical - für FSA ABS - black
Manufacturer: absoluteBLACK
Item Code: ABB412952
Year: 2019
Material: aluminum 7075 tempered
Weight: approx. 32 gram (34 teeth
manufacturer information)
Chainwheel, number of teeth: 34 | 36 | 38 | 39
Fitting for derailleur: 10,11,12-fach and Di2 compatible
Bolt Circle in mm: 110
Included in delivery: 1 chainring
Manufacturer page: http://absoluteblack.cc/index.php
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Selection: absoluteBLACK Gravel - inner Chainring - Oval - 110mm / 4-Bolt asymmetrical - für FSA ABS - black
Currently not in stock Delivery time 5-6 weeks Number of teeth 34
Currently not in stock Delivery time 2-3 weeks Number of teeth 36
Still 1 in stock in stock, delivery time 11-13 days Number of teeth 38
Currently not in stock Delivery time 2-3 weeks Number of teeth 39
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