This Jockey wheel is recommended for light to medium use.

This Jockey wheel is recommended for heavy duty use. It has a serrated shaft combined with a special clamp means there is no chance of the shaft slipping.
 
The large wheel helps to spread the load to reduce the risk of sinking.
 
An extending handle gives more leverage to wind the jockey wheel up easier.

This jockey wheel is designed for heavy duty applications where a smooth shaft is required. This is a good all round replacement for any make with a 48mm shaft.
 
The large wheel helps to spread the load and reduce the risk of sinking.

This Jockey wheel is recommended for heavy duty use. It has a serrated shaft combined with a special clamp means there is no chance of the shaft slipping.
 
The large wheel helps to spread the load to reduce the risk of sinking.