Phil Wood makes mounting rings for all threads. The rings allow variation in where the BB cartridge sits, left to right. When I tripilized my NR crank using a Red Clover, I had juuust enough clearance for the third ring, with the cartridge still in the center. It can be moved off-center by a few mm if needed.




My frame-building powder coater was astonished at how buttery smooth my 48 year old Phil Wood sealed bottom bracket felt, too.