YBN MK918N Half-Link Chain - 1/2x3/32 - Chrome 4-1/4 5" / 650b (ISO 584mm)Wall:

5" / 650b (ISO 584mm)Wall: SingleDrilling: 36HValve: SVInternal Rim Width: 19mmExternal Rim Width: 23

Pedals: Nylon body | Chromoly axles | Platform

The hubs are red anodized alloy high flange sealed bearing with jelly bean cut-outs on the flanges and 3/8 axles front & rear

The sprocket has a 15/16" (23

YBN MK918N Half-Link Chain - 1/2x3/32 - Chrome 4-1/4 5" / 650b (ISO 584mm)Wall:Very sturdy, the YBN MK918 chain is a half link model that allows for more precise chain tension adjustment by removing half links rather than links on a normal link chain. It is perfect for single speed transmissions with high tension constraints such as BMX or Fixie. Its tensile strength is improved by reinforced, thicker and stronger plates. FEATURES : Narrow chain Tensile strength: 1400kgf Pitch: 1 2 x 3 32 Links: 96 Rivet length: NC Weight: 460g