Grundig MCF tape transport gears

Pinion and idler gear that act in tape transport in Grundig MCF 100 and MCF 200 cassette players. Material used for original gears become fragile during time and gears often crack. Tape is not transported then.

Grundig MCF 100/200 gears (replaced)

Replacement gears are made using thermoplastic polyuretane (high precision 3D print) that is slightly flexible as the original material and durable.

The gears were tested for smooth operation.

How to replace the gears:

The part is compatible with following devices:
Grundig MCF 100, Grundig MCF 200

It might work also with other Grundig cassette players – just check your service manual.

Available for purchase – go to shop.

Philips 70FC450 (S.E.3) Idler Gear

Idler gear is part of cassette mechanism “S.E.3/5556” in Philips 70FC450 tape recorder.

Philips S.E.3 idler gear (back and front side)

Faulty gear can be replaced with 3D printed one. Replacement gear was fully tested for correct operation.


Gear is compatible with Philips 70FC450.
However, it might work also with other devices – just check your service manual.

Available for purchase in e-shop.