absoluteBLACK Premium Oval 110 BCD Outer Chainring for FSA ABS - 53t, 110 FSA ABS BCD, 4-Bolt, For 53/39 Combination,

absoluteBLACK Premium Oval 110 BCD Chainrings utilize absoluteBLACK's top-tier design features to greatly improve traction and speed. They are designed for 4-bolt or 5-bolt FSA cranks such as Gossamer, SL-K, and K-Force with asymmetric bolt spacing. 4 and 5-bolt cranks are identical with the exception of the one hidden bolt behind the crank arm in 5-bolt design, which is not needed. Optimized with smooth shifting in mind, premium chainrings have a unique shift ramp and recess design. Chainrings are crafted from CNC machined 7075 aluminum, and feature an anodized finish for exceptional durability. Outer rings feature 6-point shifting ramps that work in conjunction with the tooth recesses to stabilize the chain while shifting, and allow for easy and quick gear changes For optimal shifting a 53/39T chainring combinations is recommended due to ramp design on large ring 134g Oval shape reduces stress on knees, helps to keep your legs fresh, and does not feel any different while riding Chain