Wilbers fork springs for Yamaha Tracer 900 GT 18-

Product details

Wilbers fork spring set, progressive, for Yamaha Tracer 900 GT, Type RN57, model year 18-20 (fork oil must be ordered separately), with ABE according to the application list

General description

Depending on the application, Wilbers offers progressive or linear fork springs, manufactured from the best and highest quality chrome-silicon steel. For touring and touring-sport, we usually recommend a progressive fork spring to optimise the response and, on the other hand, to increase the reserves against bottoming out. The combination of the “Zero Friction” fork springs with the specially developed Wilbers fork oil, as well as observing the correct air gap for the respective corresponding vehicle, is very important. If desired, individual tuning can be achieved in special cases by changing the air gap.
For motorsport applications, we recommend the very light linear chrome-silicon fork springs from Wilbers, which were co-developed with the motorsport team.

"ZERO friction" friction reduction through barrel finishing:
During barrel finishing, the workpieces to be processed, such as Wilbers fork springs, are placed together with an abrasive media specially adapted for this purpose in a vibrating container, known as a trough vibrator.
The vibrations of the container create a relative movement between the workpiece and the abrasive media, leading to a smoothing of the workpiece upper surface through constant rubbing. At the end of the process, a fine, shiny surface is achieved.
For Wilbers fork springs, this reduction in surface roughness means a minimisation of friction = ZERO friction.

Each fork spring set includes a recommendation for the viscosity of the fork oil and the height of the air gap in the fork. These values have been determined by experienced Wilbers technicians and ensure optimum riding comfort and feedback at the front wheel.

Note: please order the fork oil separately.