Yup. That’s definitely the difference. I had to get a B spike for that very reason when I was learning Dancing On My Grave. I tried spiking at C and tuning down, but it made it impossible to fret the 5th string where I needed.
Strum Hollow 5th String Banjo Capo
This handy little capo is a perfect companion for any banjoist. It can easily be put on and taken off of the 5th string with no drilling or altering of your banjo. It minimizes string sharpness, and can be used instead of, or in addition to spikes...
Price: USD 13.95