If you're fed up of smashing your chain on rails, ledges and scooters then the BSD guard sprocket is for you, tough 7075 alloy and a no frills classic 5-spoke design
Features
– Fully 3D CNC’d bash guard sprocket
– Offset design for better chain alignment
– Centre hole 24mm (15/16″) supplied with both 19mm and 22mm top hat washers to fit all cranks
Specifications
Material - 7075-T6 al
Size - 25t, 27t, 28t
Weight - 165g / 185g