These are the two ebb’s i have and both would work well with chisel frame design at bb. They did not work well with my epic due to carbon frame design at bb.
trickstuff-de.translate.goog
We manufacture our Outboard Bottom Bracket (OBB) Cups for 24 mm integrated spindle and crank systems from US-produced 7075 aluminum and stainless steel. Each OBB cup, center sleeve and spacer is machined in-house to the same high-quality standards we apply to all of our products. All of our OBB...
phil-wood-co.myshopify.com
there are cheaper models of threaded ebbs also but I know these worked well without issues for me other than my frame issue not allowing full tension adjustment. I had to use half link chains on my epic.
On the tensioner I used a paul melvin but there is no reason to go so expensive as there are many options for this. I have the melvin because it works with full suspension bikes as well.
Want to build a single speed without having to buy a dedicated frame? Try the Melvin. The Melvin bolts to the frame where the rear derailleur would normally go and allows the use of a single speed …
www.paulcomp.com
On my chisel I’m going to use the phil wood ebb.