Shimano Olive & Hose Insert (for shortening brake hose)
Got a brake which needs shortening? You'll need to get yourself an Olive & Connector to put the brake hose back into your brake lever. These fit standard Shimano B59 hydraulic brake hose. Not sure what your hose is? Pretty much every modern-ish Shimano brake uses B59 hose, so yours probably does too
If you are cutting your brake hose it's worth having a hose clamp to help out. You can grab one here.