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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
Combined with high-quality SKF oil seals
the non-adjustable cartridge is upgraded to a Wilbers powered by ZF open cartridge with adjustable rebound and spring preload
Kit contents:
They control oil flow precisely to significantly reduce front-end dive under heavy braking while remaining plush over sudden
preventing oil foaming (aeration) and giving you consistent
Streetbox YSS Combined with high-quality SKF oilThe Hyperpro Streetbox includes a progressive front fork spring kit and an adjustable emulsion shock. This comprehensive solution improves cornering, braking, and overall bike balance, making it ideal for street use.
