Kyosho IFW409 Velvet Coating Big Shock Set M-Size Gears CV driveshafts help reduce vibration

CV driveshafts help reduce vibration compared to standard dogbone-style shafts

Four rubber O-rings

Direct-fit factory replacement

making elevation changes as simple as the rest of the Unitrack system

Kyosho IFW409 Velvet Coating Big Shock Set M-Size Gears CV driveshafts help reduce vibrationThis is a complete Big Bore shock set in the M medium length, with Kyosho's Velvet Coating treatment applied to the bodies. Velvet Coating is a low friction surface treatment on the internal bore, and it exists to cut the sliding friction between the piston and the case wall. That friction is called stiction, and it is why an untreated shock can fail to respond to very small suspension inputs at all until enough force builds to break it free. Reducing