- This plate exercise is suitable for Vertex 16, 18 and 21 Engines and also SH 18 and 21 CXP engines.
- To suit 12 to 18 engines only. Fit Engine 12mm hex Diameter shaft,6mm one way bearing.(The one way bearing does not included)
- Not suitable for engines larger than .18 (.19 + etc),Not suitable for 1/16 engines (.07 or .05 for example).
- Compatible with most top brands RC vehicle,HSP HPI Axial Traxxas Himoto Wltoys,and so on.
- Hole centers is 27mm square, hole diameter 2.5mm.