To show the contact that occurs between red rebound knob and aluminum spring seat. Must be careful to avoid turning the knob beyond it's limits when turning the spring and spring seat assembly. No contact occurs between knob and seat in the postion shown in this photo.

 http://worthymachine.pinkbike.com/

Sorry for the delay! Exams - university - sucks.

450-676-3825 (YVAN) or the link above for further info.
Leave me your number if you prefer I contact you.

I will not be checking emails in pink bike too often.

p.s. You'll want to know what's in the pic before you buy it.
But I can offer a full bike. Not sure how much $$ just yet.

(I speak both french and english.)

 It's probably not what the company intended to portray. Nice one though!