Self-braking magnetic induction pulley with cooling fins. For use in systems that develop high thermal temperatures. For line diameters ranging from 18 mm to 22 mm. It comes in three sizes marked by three different colors:
| COLOUR | SILVER | BLUE | RED |
| BEARING CAPACITY | 30-75 KG | 76- 100 KG | 101 -140 KG |
100% fun ensured.