CNC machined from 7075 Aluminum - designed to protect the sprocket and chain. Bolts to the Sumo sprocket via 4 steel chainring bolts (included). Compatible with most crank assemblies and half link chains.
Tech: Uses 7mm steel chainring bolts, 4 supplied
Width: 6mm
Sizes: 28 tooth
Colour: Anodized Black
Weight: 110 grams