Single Arm Chain Systems
Sigeyi SACS (Single Arm Chain Systems) are a lightweight and durable component coming in a range of colourful, anodised finishes. Made out of high quality aluminium this product is among the most effective at reducing power loss, and is rapidly becoming a penchant of pro team riders.
Our Single Arm Chain Systems come with a generous 2 year warranty, free delivery and hassle free returns, so that you can shop now with peace of mind.