ABSOLUTEBLACK 20T SINGLE SPD CASS BLACK 15T +OL designates an Offset Link

+OL designates an Offset Link also known as a Half link preinstalled on one end of the chain

Stable lightweight design with excellent cooling properties

9-speed road cassette

Solid all around chain for use with 6

The reinforced design combined with stainless steel inner links make this chain extremely resistant to the high-torque load changes in e-bike drives

ABSOLUTEBLACK 20T SINGLE SPD CASS BLACK 15T +OL designates an Offset LinkFits Shimano freehub bodies 7mm thick base to prevent damage to alloy freehub under heavy loads Centric teeth allow flipping of cog to double the lifespan Narrow wide tooth profile helps prevent dropped chains Long lasting durability