AC x Bjorn Skrepka Ti Seat Collar Size:33.5 (Pegoretti) A close fit keeps moisture

A close fit keeps moisture moving

the 35 (formerly 33) profile

While the industry continues to chase larger wheels

The main textile wraps the legs with more even compression

Factor's thinking behind the OSTRO Gravel's sculpted (but very tasty) lines is that gravel racing is often as fast as road racing

AC x Bjorn Skrepka Ti Seat Collar Size:33.5 (Pegoretti) A close fit keeps moistureMinimal, 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