1.25 GW Helios Trumpet Mouthpiece Rim Diameter 17.09mm, .673 inches
![](https://www.gwmouthpieces.com/cdn/shop/products/1.25-rim-web_2048x.jpg?v=1509039743)
This is a very popular trumpet rim diameter for advanced players. Based off the Bach 1 1/4 rim diameter. Giddings mouthpieces still the only choice
![](https://www.gwmouthpieces.com/cdn/shop/files/Orchalto_2048x.jpg?v=1694444197)
Products Tagged Standard Mouthpiece - Giddings Mouthpieces
![](https://www.gwmouthpieces.com/cdn/shop/products/ADRIANO_600x.jpg?v=1537990093)
Giddings Mouthpieces
This is a very popular trumpet rim diameter for advanced players. Based off the Bach 1 1/4 rim diameter. Giddings mouthpieces still the only choice
![](https://www.gwmouthpieces.com/cdn/shop/products/1.25-deep-polished-size-and-logo-web_2048x.jpg?v=1509039761)
1.25 GW Helios Trumpet Mouthpiece Rim Diameter 17.09mm, .673 inches
![](https://www.gwmouthpieces.com/cdn/shop/products/Dragons_Breath_600x.gif?v=1546959581)
Trumpet - Giddings Mouthpieces
![](https://www.gwmouthpieces.com/cdn/shop/files/Almont_2048x.jpg?v=1694443482)
Products Tagged Standard Mouthpiece - Giddings Mouthpieces
![](https://www.gwmouthpieces.com/cdn/shop/files/Almontrim_2048x.jpg?v=1694443482)
Giddings Mouthpieces
![](https://www.gwmouthpieces.com/cdn/shop/products/3-rim-logo-polished-rim-number-satin-web_900x.jpg?v=1509039832)
Trumpet Tagged #25 - Giddings Mouthpieces
![](https://www.gwmouthpieces.com/cdn/shop/products/Boston-Brass-Tuba1_2048x.jpg?v=1509043118)
Giddings Mouthpieces
Cornet 1 GW 144 Deep Cup has a shorter shank to fit in cornet lead pipes. Designed with a large inner rim diameter and deep cup, this mouthpiece is
![](http://www.gwmouthpieces.com/cdn/shop/products/cornet_600x.jpg?v=1509044641)
Cornet Helios Mouthpieces