ITEM NAME:Bike Freewheel Cog BMX 14T 34mm Flywheel 1/2" x 1/8" Sprocket Components Description: Mainly made of durable steel. Single speed bicycle freewheel 14 teeth design. Suitable for 1/2" x 1/8". Specification: Material: Steel Outer teeth diameter: 61mm Thread inner diameter: 34mm Inner bore: 22mm Thickness: 22.5mm Package Includes: 1 Piece 14T Single Speed Freewheel Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement. SKU: DMO0009856954024308.1 Piece 14T Single Speed Freewheel. Single speed bicycle freewheel 14 teeth design. SKU: DMO0009856954024308. Material: Steel.