These adapters are needed to build in 16V or G60 brakes to the rear axle at any VW Polo 86/86C (likewise G40), so you can use the original handbrake cable from the Polo continues.
For the conversion you need the following components:
- Journals from Golf Gti 16V with disc brake
- Brake calipers Golf 2 (Grling 38)
- Brake discs original Golf GTI 16V (226x10mm)