The gear shaft stands too far out of the gear box, it bends elastically when shifting hard or quick which is the reason for imprecise gear shifting Our Shiftholder helps to eliminate gear shift problems, it stabilizes the gear shaft and eliminates vague shifting. A high tech syntethic material bushing is used, it comes in hard anodized titanium color. Info: if the washer DS12-6-13 will be additionally mounted, the sprocket cover can be removed.