Detail 01
Large shank
Only fits large-bore trombone leadpipes. It will not seat correctly in a small or medium shank receiver.

Independent shopping perspective
Bach 2G trombone mouthpiece with a large shank. A big, deep piece for bass trombone and large-bore tenors, not general-purpose use.

Strong match
Consider the trade-offs
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 01
Only fits large-bore trombone leadpipes. It will not seat correctly in a small or medium shank receiver.
Detail 02
Wide rim diameter. More lip inside the cup means fuller low notes but faster fatigue if you are not used to it.
Detail 03
Deep cup. Adds low-register core and volume; the upper register takes more work than on a shallower piece.
Detail 04
Bach's production line, not the hand-finished tier. Easy to replace with an identical piece later.
Detail 05
Standard wearing surface. Plating eventually wears at contact points but the rim shape stays consistent for years.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
Only if your horn has a large-shank receiver, typical of bass trombones and large-bore tenors. Small and medium shank horns need a different piece.
It is commonly used on bass trombone. The wide rim and deep cup suit low parts, though large-bore tenor players use it too.
Compare against your current mouthpiece, or check your horn's specification. Large shank pieces are visibly thicker at the end that enters the horn.
You can, but the 2G is noticeably larger and deeper. Expect several weeks of adjustment and reduced endurance at first.