FSA's Pro Road Chain Rings are the ideal replacement inner rings for your 110BCD crankset. Machined from AL7075-T6 they are ramped and pinned to ensure that shifting is precise and smooth with no chain suck. The pins are stainless steel which resists corrosion. They feature a 5-bolt pattern and are compatible with SRAM and Shimano. The FSA Pro Road Chain Ring is available in sizes 34t, 36t, and 39t and comes in Black and Grey SL-K.