It's a 1.5mm and the grub screws are made of jelly - I ended up replacing mine with swisstop brake shoes. Which helpfully have a nice simple way of removing brake shoes...
@heythropbikepolosoc started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
It's a 1.5mm and the grub screws are made of jelly - I ended up replacing mine with swisstop brake shoes. Which helpfully have a nice simple way of removing brake shoes...