I‘m not sure if a SuperEndpin or Wolf endpin or how it is called also would fit on the short thinner spike of the endpin of the OP, but for those who have used or use that rubber ball endpin, which is great and only slips on very polished surfaces, here is what I did when the ball got a hole below the steel insert (just because the rubber ball alone is not available).
My first ball got a hole as für some time, because I left the ball mounted all the time and that rubbed off the soft rubber when putting the heavy bass down in the streets. (This was before I made my Bass Buggie clone.)
So my original idea was to find a different tip mounted on the first steel mount and a second ball endpin, using the first for transport and maybe also when playing and the ball for critical surfaces (with a fallback to a Xeros stool held platform in the absolutely worst cases).
But these rubber tips work really great. Not as good as the ball, but not far from that, so I use that assembly now (almost) all the time.
I bought a set of two bass rubber tips (without any steel disk inside) that had an inner diameter of about 9.5 mm (the original ball has about 10 mm). They look similar, but a bit like larger and thicker than cello rubber tips. (See the photos below.)
I ordered the first ones via Amazon or EBay and later the same from AliExpress.
I think a set two for about 3€.
The hole in the rubber tip is cylindrical, so the steel mount of the ball fits well, holds tight (a bit too tight to easily get it off again) and there is no spike (that‘s inside the other end of the steel mount) that cuts through.
But the rubber tip is a bit too short, so I added two rubber rings (cut out of a rest of a rubber mat) to fill the gap so that the weight/pressure also goes to the upper part of the tip.
I could have cut the top of the other tip for that, but that would ruin the second one for later use (unless I cut the first tip too when it becomes unusable and use both rings then).
Have a look at the pictures.
My first ball got a hole as für some time, because I left the ball mounted all the time and that rubbed off the soft rubber when putting the heavy bass down in the streets. (This was before I made my Bass Buggie clone.)
So my original idea was to find a different tip mounted on the first steel mount and a second ball endpin, using the first for transport and maybe also when playing and the ball for critical surfaces (with a fallback to a Xeros stool held platform in the absolutely worst cases).
But these rubber tips work really great. Not as good as the ball, but not far from that, so I use that assembly now (almost) all the time.
I bought a set of two bass rubber tips (without any steel disk inside) that had an inner diameter of about 9.5 mm (the original ball has about 10 mm). They look similar, but a bit like larger and thicker than cello rubber tips. (See the photos below.)
I ordered the first ones via Amazon or EBay and later the same from AliExpress.
I think a set two for about 3€.
The hole in the rubber tip is cylindrical, so the steel mount of the ball fits well, holds tight (a bit too tight to easily get it off again) and there is no spike (that‘s inside the other end of the steel mount) that cuts through.
But the rubber tip is a bit too short, so I added two rubber rings (cut out of a rest of a rubber mat) to fill the gap so that the weight/pressure also goes to the upper part of the tip.
I could have cut the top of the other tip for that, but that would ruin the second one for later use (unless I cut the first tip too when it becomes unusable and use both rings then).
Have a look at the pictures.
