Fork Cartridge KIT F20K CBR 954RR 2002 - 2003 Front springs YAMAHA YZF-R1M 2015 - 2025

YAMAHA YZF-R1M 2015 - 2025

This streetbox contains a replacement progressive front fork spring kit set and an adjustable emulsion shock absorber

In both legs the spring preload can be adjusted

Monoshock KD

ZX6R 636 2013 - 2018

Fork Cartridge KIT F20K CBR 954RR 2002 - 2003 Front springs YAMAHA YZF-R1M 2015 - 2025FORK CARTRIDGE KIT F20K F20K, the asymmetrical cartridge The F20K is an asymmetrical, 20 mm diameter, hydraulic cartridge kit that replaces completely all the existing fork internals to upgrade the forks that already have some level of adjustment as standard. Fully adjustable on spring Preload and feature separate asymmetrical Compression and Reboundadjustment, the cartridge is provided using the innovative quad valve system that avoids the risk of