Side Bow Chain china Aspect bow chains, also commonly known as a part flexing chain is produced for specialized applications that want a high-strength ANSI standard roller chain which has the capabilities of going around turns and side flexes. That is why part bow roller chains are also often called part flex roller chain. We keep these chains share in ANSI sizes #35 – #80 in regular carbon steel along with 304-grade stainless. We also stock foundation chains for slat-top conveyor chains in sizes #43, #63, #63SS, and #863. To learn 66.1more or to get a quote on side bow roller chain please get in touch with our sales team and we will be happy to help you.