absoluteBLACK
Oval FSA ABS Chainring - 110/4 & 5 (Hidden Bolt) K-Force SL-K Grossamer

absoluteBLACK Premium Oval chainrings for FSA ABS (asymmetric bolt spacing) cranks like Gossamer, SL-K. This model fits 4 and 5 bolt design FSA 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. 10/11spd compatible. Di2 Compatible. Made in EU

Weight:  34T (32g), 36T (33g), 38T (38g), 39T (41g), 50T (115g), 52T (132g), 53T(134g)
Colour: Black only
Compatibility: FSA ABS (asymmetric bolt spacing) cranks like Gossamer, SL-K. Both 4 and 5 bolt versions. One model fits them all. Di2 Compatible. 10 / 11spd compatible. ABS cranks only.
Bolts: For Gossamer - use original FSA bolts and spacersFor SL-K - use original FSA Bolt Covers and bolts
Material & Finish: cnc machined 7075 Txxx Aluminum. Long-lasting construction. Type II anodizing
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