The ServoCity #25 Pitch Acetal Hub-Mount Sprocket (14mm Bore, 20 Tooth) is engineered to attach seamlessly to any goBILDA® hub featuring a 16mm pattern. This sprocket is ideal for compact builds, offering excellent performance with its smaller #25 chain dimensions. It is widely used in the robotics and DIY community due to its versatile compatibility with various assemblies, regardless of brand constraints.