If you’re tired of smashing your chain on rails, ledges, and scooters, this BSD Guard sprocket is for you. Made from tough 7075 alloy, it features a no-frills, classic 5-spoke design. Now also available in a new 27t size...
Fully 3D CNC-machined bashguard sprocket
Offset design for improved chain alignment
Center hole: 24mm (15/16″), supplied with both 19mm and 22mm top-hat washers to fit all cranks