Hayden M6 Self-Adjusting Primary Chain Tensioner for 1965-1993 Harley-Davidson Big Twin Custom Yamaha Forward Controls Shinko's 240 is a modestly-priced

Shinko's 240 is a modestly-priced tire that brings the great looks of yesterday to the recent construction and safety of today

Premium alternative to using stock Sportster axles

it is a really important part of any motorcycle build

and fenders

They are perfect when installing aftermarket carbs

Hayden M6 Self-Adjusting Primary Chain Tensioner for 1965-1993 Harley-Davidson Big Twin Custom Yamaha Forward Controls Shinko's 240 is a modestly-pricedHayden M6 Self Adjusting Primary Chain Tensioner for 1965 1993 Harley Davidson Big Twin The primary case is a defining feature of the Harley Davidson Big Twin, but it has its shortcomings. Chains do require adjustment, and getting the adjustment just right to accommodate shifting and clutch operation can be a balancing act. Why not do it auto magically? Spring loaded tensioner eliminates manual adjustments Applies constant, repeatable tension on the