Description

Rear brake master cylinder repair kit to fit 1/2” bore. Before buying look on the back of the master cylinder where the size, either 14 mm or 1/2” will be cast in. Replaces Triumph T2022110.

Fits : America EFI, Bobber, Daytona 660, Rocket III Classic, Roadster, Speedmaster EFI, 765 Street Triple R, S, RS, Thunderbird 1600/1700, Thunderbird Storm, Tiger Sport 660, Tiger 800, Tiger 850 Sport, Tiger 900,  Tiger 1200, Trident 660.
If the size marked is 14 mm, use product B010.

A larger bore on the master cylinder will increase your pedal effort required and decrease your pedal travel. Unless there is an issue with pedal distance/travel, it comes down to rider preference.