Rieju MRT 50 Pro Cross 18-20 Airsal Race Pro Crankshaft. This product is suitable for the Rieju MRT 50 Pro Cross 15-17 (AM6). Rieju MRT 50 Pro Cross 18-20 Front Right Brake Lever. Flasher Relay for Rieju RR, RRX, MRT, MRX, SMX, Spike, Tango.