Getting shops to bleed your brakes can be bloody expensive. Why not bleed them yourself? Here’s a bleed funnel for bleeding Shimano brakes.

Before you finish your purchase, make sure you’ve got all the equipment to bleed your brakes. You'll need the following:

A bleed kit or just a bleed funnel (if you’ve got the other tools hanging around)
Some mineral oil, we offer either 250mL or 1L
A bleed block

The choices you have are:
Bleed funnel type
Plastic bleed funnels are cheaper but the threads on them are easier to damage and tend to have a limited life. Funnels with the brass fitting won't get thread wear but are more expensive. 

Road adapter
An adapter to adapt the bled funnel to the larger diameter threads on the brake lever of Shimano drop bar brakes - think road/gravel - Shimano 105, Ultegra, GRX and so on. Essential if you need it.