This Wheels Manufacturing Bottom Bracket 30 is designed for GXP Crank and is made of high-quality aluminum material. It is compatible with both Bottom Brackets and 30 mm spindles. The black color and model name, Wheels Manufacturing BSA 30, make it a stylish addition to any bike.As a part of the Bicycle Components & Parts category, this product is a must-have for cycling enthusiasts. With its BB30 Bottom Bracket Shell Type, it provides a smooth and reliable ride. This package includes one bottom bracket, making it a great value for money. Make your bike stand out with the Wheels Manufacturing Bottom Bracket 30. Good condition.