YSS Fork Springs 455mm - 4.4Nm (manufacturer reference LO435A044S455X): springs designed for off-road and motocross motorcycles, intended to adjust the progressiveness and preload of the fork according to the rider's size. Ideal for those who want to fine-tune their fork's response without heavy modifications to the system.

• Brand: YSS
• Category: Spring Kit
• Packaging: per pair
• Length: 455 mm
• Stiffness: 4.4 Nm
• Upper inner diameter: 43.5 mm
• Lower inner diameter: 43.5 mm
• Recommended rider weight range: 65–75 kg / 75–85 kg / 85–95 kg

These YSS springs are aimed at motocross riders looking to refine their fork's handling for sharper riding on varied terrains. Their length and inner diameter correspond to the mentioned standard forks, and the stiffness of 4.4 Nm allows for selecting a progressiveness suited to the weight and riding style. Supplied in pairs, they facilitate a symmetrical compliance of the front fork.

Common compatibilities: YAMAHA TT-R 125 LW BIG WHEELS E (2021), HUSQVARNA FC 450 (2015), KTM 505 SX-F (2007) — check the inner diameter and length on your model before installation.