Sliding gate rollers with a Ø 20 mm round groove and two Ball bearings each—for smooth, quiet operation even of heavy gate leaves. Available in V2A with Ø 88 and Ø 98 mm (300 and 380 kg), and in V4A with Ø 80, Ø 90, and Ø 100 mm (380 to 420 kg). All rollers are designed for screwing on to the Ø 19 mm track of the guide rails—ensuring a gate that moves smoothly and effortlessly over the long term.