12 ST FS Single speed | 2.6kg | 70mm drum Ø 115mm base Ø 130mm height | 8mm (min) 14mm (max) | Ratio 1 - 1.3:1 | Ratio 1 - 9.5:1 |
18 ST FS Single speed | 3.2kg | 70mm drum Ø 120mm base Ø 136mm height | 8mm (min) 14mm (max) | Ratio 1 - 2.6:1 | Ratio 1 - 18.8:1 |
28 ST FS 2 speed | 3.9kg | 70mm drum Ø 125mm base Ø 151mm height | 8mm (min) 14mm (max) | Ratio 1 - 1.3:1 Ratio 2 - 4:1 | Ratio 1 - 9.5:1 Ratio 2 - 28.6:1 |
34 ST FS 2 speed | 4.1kg | 70mm drum Ø 125mm base Ø 151mm height | 8mm (min) 14mm (max) | Ratio 1 - 1.3:1 Ratio 2 - 4.7:1 | Ratio 1 - 9.5:1 Ratio 2 - 33.8:1 |
40 ST FS 2 speed | 4.9kg | 75mm drum Ø 152mm base Ø 174mm height | 8mm (min) 14mm (max) | Ratio 1 - 1.3:1 Ratio 2 - 6:1 | Ratio 1 - 8.9:1 Ratio 2 - 40:1 |
46 ST FS 2 speed | 7.8kg | 89mm drum Ø 180mm base Ø 209mm height | 8mm (min) 14mm (max) | Ratio 1 - 2.8:1 Ratio 2 - 8.4:1 | Ratio 1 - 15.7:1 Ratio 2 - 47.1:1 |
50 ST FS 2 speed | 7.8kg | 89mm drum Ø 180mm base Ø 209mm height | 8mm (min) 14mm (max) | Ratio 1 - 2.8:1 Ratio 2 - 8.8:1 | Ratio 1 - 15.7:1 Ratio 2 - 49.3:1 |
52 ST FS 2 speed | 10.3kg | 100mm drum Ø 200mm base Ø 228mm height | 8mm (min) 16mm (max) | Ratio 1 - 3.2:1 Ratio 2 - 10.5:1 | Ratio 1 - 16.2:1 Ratio 2 - 52.5:1 |
58 ST FS 2 speed | 16kg | 115mm drum Ø 230mm base Ø 257mm height | 8mm (min) 18mm (max) | Ratio 1 - 3.7:1 Ratio 2 - 13.1:1 | Ratio 1 - 16:1 Ratio 2 - 57.1:1 |
62 ST FS 2 speed | 16kg | 115mm drum Ø 230mm base Ø 257mm height | 8mm (min) 18mm (max) | Ratio 1 - 3.7:1 Ratio 2 - 14.4:1 | Ratio 1 - 16:1 Ratio 2 - 62.6:1 |
68 ST FS 2 speed | 24.5kg | 140mm drum Ø 280mm base Ø 280mm height | 10mm (min) 18mm (max) | Ratio 1 - 5.8:1 Ratio 2 - 18.8:1 | Ratio 1 - 20.7:1 Ratio 2 - 67.1:1 |
72 ST FS 2 speed | 24.5kg | 140mm drum Ø 280mm base Ø 280mm height | 10mm (min) 18mm (max) | Ratio 1 - 5.8:1 Ratio 2 - 20.3:1 | Ratio 1 - 20.7:1 Ratio 2 - 72.6:1 |
78 ST FS 2 speed | 49kg | 170mm drum Ø 320mm base Ø 375mm height | 16mm (min) 22mm (max) | Ratio 1 - 7:1 Ratio 2 - 26.7:1 | Ratio 1 - 20.6:1 Ratio 2 - 78.4:1 |
110 ST FS 2 speed | 72.5kg | 250mm drum Ø 395mm base Ø 426mm height | 16mm (min) 25mm (max) | Ratio 1 - 10.2:1 Ratio 2 - 56.1:1 | Ratio 1 - 20.3:1 Ratio 2 - 112.3:1 |