How To Fix A Shimano Gear Shifter. Then finish by squirting some decent bike lube chain lube is fine in the same hole on the shifter. Tension the cable properly.

Bicycle shifters allow you to control the gears on a multispeed bicycle. There is a 5mm bolt on the Shimano shifter that you have to tighten up to fix them in place. I also like to drop my cable tension as low as possible.
My bike has a grip shift Shimano revoshift which isnt shifting through all 8 gears.
In this video I revive a set of really old Shimano ST-M020 7 speed rapid-fire shifters. With the grub screw removed you. Using a small 2mm hex key undo the small grub screw that holds the brake axle in place. In this video I revive a set of really old Shimano ST-M020 7 speed rapid-fire shifters.

