Flywheel, (larger, knurled for use with starter boxes) (TRX

Flywheel, (larger, knurled for use with starter boxes) (TRX 2.5 and TRX 2.5R) (silver anodized) This new, light weight, silver anodized machined aluminum flywheel is 40mm in diameter, perfect for using a starter box with the Revo & Slayer. The pattern on the edge is specially cut to increase traction against starter box wheels. Use the flywheel with small or big block engines.