Double Hub Sprocket for Concept2 Models C and E Indoor Rowers

• This replacement chain sprocket is for use on the Model E and Model C indoor rowers by Concept 2
• Dual hub sprocket is being used to replace the single hub sprocket on the Model C rowers

When replacing a single hub sprocket on the Concept2 Model C rower, you will also need to replace the axle with one that is made for use with this double hub sprocket