Roulement de Vilebrequin Principal de Moto STD ~ + 100, Compatible avec CB-1 NC27 CB400 CB400SF VTEC400 I II CBR400 CBR400R CBR23 NC23 CBR400RR Product Size: STD + 25 + 50 + 75 + 100 (standard) Quantity: 12 pieces/set (required for motorcycle crankshaft main bearings) Position: Crankshaft main Crankshaft Main Diameter: 30mm, 29.75mm, 29.5mm, 29.25mm, 29mm Compatible Models: CB-1 NC27 CB400 CB400SF VTEC400 I II III IV NC31 NC36 NC39 CBR400 CBR400R CBR23 NC23 CBR400 CBR400RR CBR29 NC29 This crankshaft main bearing is STD and fits STD crankshafts, meaning it is suitable for crankshafts without abrasions. Clean the crankshaft before installation. Ensure compatibility with your motorcycle before purchase. Other Related Products: - Clutch gear starter one-way bearing kit for motorcycles - Complete rebuild kit, 141 pieces, adjustable valve, shim, 7.48mm - Motorcycle starter rebuild kit, brush plate reconstruction kit Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.