Molybdenum steel axles for improved crank and hollow axles stability Improved performance --Alloy forging Tight installation, strong wear resistance, anti-skid, safer to use --Hollow design, strong adaptability, no burden for riding, lighter body --Durable Material: it has been strengthened and upgraded by various processes to achieve high quality, corrosion resistance, and aging resistance. Name: Crankset Chain Wheel Material: Aluminum Alloy AL7075 Disc technology: CNC integrated molding Color: Black/Silver Teeth: 48T and 49T BCD: 144mm Crank Length: 165mm Speed: Single Speed BSA BB68/73 Net Weight: about 680.8g. 1 set x Crankset Chain Wheel. Different displays may cause the color of the item in the picture a little different from the real thing.
Manual measuring, please allow 13mm error, thank you.