Koso Grom 2014-21 Bearing Chain Tensioner Multifunctional Storage YAMAHA YFM 250 Moto-4 1990-1991

YAMAHA YFM 250 Moto-4 1990-1991

Improves the performance of your motorcycle and provides an aerodynamic protection adaptable to each moment and situation of your driving thanks to the manual elevation mechanism for your screen (M

Urban Vespa S Sport 50/125 Smoke by Puig

KTM 640 Duke II 1999-2006

Koso Grom 2014-21 Bearing Chain Tensioner Multifunctional Storage YAMAHA YFM 250 Moto-4 1990-1991Koso Grom 2014 21 Bearing Chain Tensioner by Koso. *Does not fit 2022+ models Made from resistant high quality material, our Koso chain tensioner with bearing could save your engine from expensive damage. We came up with this long lasting solution to replace the OEM chain tensioner which has a tendency to wear prematurely. Specifications The arm is made with Aluminum 6061, and the wheel is made with JIS SCM415 (=SAE 4115) Alloy Structure Steel