Some bike travelers obsess the details to reduce weight, clutter, and the amount of tools to pack. Efficient, less error-prone packing is important when jetlagged with a flight to catch or when crammed in a tiny London hotel room.
This crank modification allows you to adjust bearing tension with an allen wrench, instead of Shimano’s dial-shaped adjuster.
Small, black plastic parts are also especially hard to find in a travel case. Other mods include picking stems and seatposts based on their bolt sizes, so you can take reduce the amount of allen wrenches.