This is machine translation. We apologize for any inaccuracies or faults in translation.
Original is in the Czech language.

Sprockets

We will give you all drive gears directly from the manufacturer to all construction MACHINES.

For example:

SPROCKET OF THE RUBBER TRACK (21 FROM) VNITŘ.D 190m, 9 Hole to fix, HITACHI EX18-2, EX20UR, EX22, EX22-2, EX25, EX25-2