BSA Singles / Twins Progressive Fork Springs Trophy 650 and 750 twins (Bonneville

650 and 750 twins (Bonneville

Measures 11" to fit 8" brake hubs

Fits all BSA unit singles (C25

Andover Norton has stated that the C3 Crankshaft bearing is best for all Commandos

We use to sell an all alloy drift tool (usually red color) but found that the alloy tool was binding and causing unwanted problems when removing and installing valve guides

BSA Singles / Twins Progressive Fork Springs Trophy 650 and 750 twins (BonnevilleTired of that mushy feel you get when riding your BSA? Chances are your fork springs are in need of replacement.. instead of installing the OEM springs why not install some progressive fork springs? Progressive fork springs will give you BSA a more "modern feel". BSA progressive fork springs will change the performance and handling of your bike. Let's face it BSA had suspension that was outed when it was made, why settle for the same? Fork springs