AC x Bjorn Skrepka Ti Seat CollarMinimal, elegant and quietly overbuilt. Machined from a single block of titanium, this clamp captures everything we admire about Bjorns work: precision, restraint and an obsession with detail. Each piece features the Above Category logo subtly etched into the surface. Its a small mark but one that speaks to the collaboration, a shared pursuit of craft, performance and beauty in the details. Weve been using it across our builds for months and each time