Order code: CMCG035. Sinnis: Terrain T125 ZS125-86(T125). Zongshen: ZS125-39. Mutt: Stravaig 125cc STRAVAIG. Mitt: MITT 125 GP 2 MITT125GP2. Cam chain guides in a motorcycle direct and support the cam chain as it moves between the camshaft and crankshaft.