Gravaa, the Dutch company behind Visma-Lease a Bike’s tyre pressure adjustment system, has been declared bankrupt.
According to court records in the Netherlands, liquidators have been appointed to the brand. Gravaa pioneered the KAPS system, which allowed riders to inflate or deflate their tyres on the go.
The system was used on board Visma-Lease a Bike‘s bikes at Paris-Roubaix in recent years, as well as the UCI Gravel World Championships, where Marianne Vos used it on her way to victory in 2024. Pauline Ferrand-Prévot rode a bike using Gravaa to the win at Roubaix last year.
It first appeared in 2021, but it appears that it never reached commercial success.
The Gravaa works by housing a tiny compressor inside the wheel…