Wirth fork spring set K75S/RT to 91, K100 2V up to1990 (Sachs fork)

K75S K75RT up 08/1991
K100 2V (Sachs Gabel) K100 K100RS K100LT

• Polished and optimized for low/no friction, for even better response
• Progressiv Windings
• less brake diving, no more bottoming out, better feedback
• real chassis improvement at an affordable price
• Proven for decades

Fork spring set with ABE and mounting instructions. Please order also forkoil.

Wirth fork sprinset K75 after 1992, R80R R100R Paralever

fits BMW
K75 all from 08/1991 up
R80R R100R Paralever

• Polished and optimized for low/no friction, for even better response
• Progressiv Windings
• less brake diving, no more bottoming out, better feedback
• real chassis improvement at an affordable price
• Proven for decades

Fork spring set with ABE and mounting instructions. Please order also forkoil.

Wilbers fork sprinset K75 after 08/1991

Wilbers fork spring - zero friction - progressive
Progressively stiffer fork springs

fits BMW
K75 all from 08/1991 up

• reduced dive, no more bottoming out, better feedback
• offer more reserves and more usable positive travel
• real chassis improvement
• incl. general operating permit (ABE)
• Friction reduction through fine grinding, this is how »ZERO friction« is created

Fork spring set with ABE and mounting instructions. Please order also forkoil.

Wilbers fork spring set K75S K75RT up to 1991

Wilbers fork spring - zero friction - progressive
Progressively stiffer fork springs

suitable for BMW:
K75S K75RT up to 08/1991

• reduced dive, no more bottoming out, better feedback
• offer more reserves and more usable positive travel
• real chassis improvement
• incl. general operating permit (ABE)
• Friction reduction through fine grinding, this is how »ZERO friction« is created