Sometimes small details on your road bike make a big difference. The Wheelsmfg FIX-BOLT-1 replaces the black plastic crank arm fixing bolt for Shimano Dura Ace 9000 with a grey anodized 6061 aluminium version. The Wheels Manufacturing crank fixing bolt is compatible with other Shimano HollowTech II crank-sets as well.
In this article I will briefly look at the design and compare it with the original Shimano crank fixing bolt.