Good shout - give all the lines a check for bulges etc, check the master cylinder is pumping properly too. You can submerge the union in a jar of brake fluid and check it isn’t blowing bubbles to do that.
@Jung 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.
Good shout - give all the lines a check for bulges etc, check the master cylinder is pumping properly too. You can submerge the union in a jar of brake fluid and check it isn’t blowing bubbles to do that.