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Absolute BLACK

Road Oval

Road Oval

Regular price £52.99
Regular price Sale price £52.99
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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 Size (Mass +/-1g): 34T (32g), 36T (33g), 38T (38g), 39T (41g), 50T (115g), 52T (132g), 53T(134g) 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: *For Gossamer cranks - use original FSA bolts and spacers. There is nothing else needed to mount these rings *For SL-K - use original FSA Bolt Covers and bolts that will fit perfectly. There is nothing else needed to mount these rigns *For K-Force - purchase additionally absoluteBLACK bolt covers. This is Absolutely necessary as you will not be able to mount these chainrings to K-Force otherwise. *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 d?railleur to be acceptable. Also remember that front d?railleur can only accept max 16T difference between 2 chainrings - this is how Shimano and Sram designed them.

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