In this article I will share my thoughts on the Framesandgear Titanium Crank Arm Bolts M6x19 in color Black, that I use in combination with the Shimano Ultegra R8100 cranks. Just like the Kogel Bearings Shimano Crank Arm Fixing Bolt these titanium bolts are -from my point of view- a good upgrade to the default bike parts.
