Product Description Axle Sprocket - 40 Tooth - 6.43 in Bolt Pattern - Aluminum - Natural - Micro Sprint - Each
M AND W ALUMINUM PRODUCTS Add to Cart MWASP520-643-42T Rear Sprocket 42T 6.43 BC 520 Chain MSRP: Was: Now: $48.99 Axle Sprocket - 42 Tooth - 6.43 in Bolt Pattern - Aluminum - Natural - Micro Sprint - Each
M AND W ALUMINUM PRODUCTS Add to Cart MWASP520-643-47T Rear Sprocket 47T 6.43 BC 520 Chain MSRP: Was: Now: $50.99 Axle Sprocket - 47 Tooth - 6.43 in Bolt Pattern - Aluminum - Natural - Micro Sprint - Each
M AND W ALUMINUM PRODUCTS Add to Cart MWASP520-643-41T Rear Sprocket 41T 6.43 BC 520 Chain MSRP: Was: Now: $48.99 Axle Sprocket - 41 Tooth - 6.43 in Bolt Pattern - Aluminum - Natural - Micro Sprint - Each
M AND W ALUMINUM PRODUCTS Add to Cart MWASP520-643-51T Rear Sprocket 51T 6.43 BC 520 Chain MSRP: Was: Now: $56.99 Axle Sprocket - 51 Tooth - 6.43 in Bolt Pattern - Aluminum - Natural - Micro Sprint - Each