That sounds a bit like it. If the pistons don't fully retract even when pushing it's a warranty case. Shimano warrantied my calipers after a bit of paperwork, but that's Aussie so might be more or less tricky where you are.
They’re a few years old, can’t really remember where I bought them from, might have a proof of purchase in digital form I guess.
@M_V 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.
That sounds a bit like it. If the pistons don't fully retract even when pushing it's a warranty case. Shimano warrantied my calipers after a bit of paperwork, but that's Aussie so might be more or less tricky where you are.