• Aluminum Alloy
• Crankset for single speeds bike: burly and lightweight forged single crankset for strength and reliability
• Bike crankset cover: --- black crankset with 52t sprocket. crank length: 170mm. light weight, fashionable, gorgeous shape, high axial strength, compatibility
• Single: --- alloy cranks, high- strength steel sprockets, removable sprockets, single- sprockets that are easy to retrofit. suitable for track road bikes, single bikes, folding bikes, fixed gear bikes
• Bicycle crankset: suitable for track road bike, single speeds bike, folding bike, fixed-gear bike
• Bike cranksets: the bike crankset is all-aluminum alloy crankset, integrated processing and forming, crankset protection and crankset integration