JK WINDOW SHADE / ROLLER BLINDS
R54 Heavy Duty Crank
Crank operation for larger, heavier blinds.
PRODUCT OPTION
About this system
A robust manual drive for suitable wide or high drop roller blinds. We will check dimensions and fabric weight against the system.
We can help check measurements, fabric compatibility, operation and fixing details before confirming a specification.
Size guide
| Model | Min width | Max width | Max drop | Max area |
|---|---|---|---|---|
| R54, 53 mm barrel | 200 mm | 3,450 mm | 3,450 mm | 9.0 m² |
| R54, 70 mm barrel | 200 mm | 4,700 mm | 5,750 mm | 10.0 m² |
Dimensions are in mm. Limits assume 220 g/m² fabric; heavier fabrics can reduce the achievable size. The R20S may also have reduced limits if a stop is fitted. Width, drop and maximum area must all be met.