The standard headrest comes in various colors to match your seat. Each head rest has a height and tilt adjustment.
Headrest lava grey - 830-29
Headrest black cloth - 830-20
Headrest krakatoa - 830-19
Headrest black breathable PVC - 830-22
Headrest heavy duty grey vinyl - 830-89
830-29 - T5, 525, 525P, 555, 555C, 555PC, 854C
830-20 - T1, T4, 411, 414, 711
830-19 - T1, 21/T1, 514H 554CH, 811
830-22 - T1, T5, 411, 525, 525P, 555, 555C, 711, 21/T1
830-89 - T1