FAQ about the ERM

Will the ERM fit my bike?

You must be able to fit a number 2 pencil (eraser side first) into the axle at least 3 inches with out any hard binding or pressure. If you are able to do this, the ERM will fit. 

How does the ERM stay in my axle?

2 Strong rubber grommets on the ERM will fit it into your axle and hold it secure. Paired with the ERM's lightweight (8 grams) the ERM will not fall out.

What is it made out of?

The ERM is CNC Machined out of 304 stainless steel to prevent rust and corrosion.