Silicon-steel springs with high carbon content, heat-treated, dynamically balanced, kiln painted, designed and calculated for each specific application.

| CODE | SPRING SIZES | (K) Spring stiffness |
| A - Ø | B mm | C - Ø |
| 2916468.Y0 | 56.3 | 115 | 4 | 4.3k |
| 2914203.W0 | 56.8 | 138 | 3.8 | 2.75k |
| 2918843.R0 | 57.5 | 115 | 4 | 4.3k |
| 2911266.Y0 | 57.5 | 120 | 4.5 | 5.5k |
| 2912480.W0 | 57.8 | 150 | 4.2 | 4k |
| 2916464.Y0 | 58 | 128 | 4.3 | 5.4k |
| 2916465.R0 | 58 | 135 | 4.3 | 5.4k |
| 2916466.W0 | 58 | 142 | 4 | 3.5k |
| 2915553.Y0 | 58.3 | 105 | 4.3 | 7.3k |
| 2916498.R0 | 58.6 | 112 | 4.3 | 6.8k |
| 2911384.Y0 | 58.7 | 75 | 5 | 13.2k |
| 2915464.W0 | 60 | 95 | 5 | 10k |
| 2912647.Y0 | 63.1 | 120 | 4.6 | 4.5k |
| 2916460.R0 | 65 | 108 | 4.7 | 7.2k |
| 2916459.Y0 | 65 | 112 | 4.6 | 6.6k |
| 2911478.W0 | 65 | 116 | 4.5 | 6k |
| 29 9976.R0 | 65.4 | 100 | 5.2 | 9k |
| 2911084.W0 | 65.7 | 170 | 4.7 | 4.2k |
| 29 9975.Y0 | 67 | 115 | 5.2 | 7.6k |
| 2918425.Y0 | 67 | 120 | 5 | 6k |
| 2914120.W0 | 67.2 | 120 | 5 | 10k |
| 2918426.R0 | 67.2 | 130 | 5.2 | 6.2k |
| 2911074.Y0 | 67.2 | 181 | 4.7 | 3.5k |
| 2913316.W0 | 67.4 | 107 | 5.2 | 9.5k |
| 2916497.R0 | 67.6 | 120 | 5.2 | 9.5k |
| 2916484.Y0 | 67.7 | 112 | 5.2 | 9.5k |
| 2916113.W0 | 67.9 | 120 | 5.4 | 9k |
| 2911072.W0 | 68 | 100 | 5.2 | 10k |
| 2914712.W0 | 68 | 120 | 5.2 | 12k |
| 2914401.G0 | 70.3 | 156.5 | 5.5 | 7k |
| 2914023.R0 | 70.5 | 126 | 6.5 | 14k |
| 2914024.Y0 | 70.5 | 138 | 6 | 9.4k |
| 2917874.V0 | 70.75 | 105 | 6.5 | 20k |
| 2912772.W0 | 71 | 205 | 6.5 | 11.5k |
| 2915315.W0 | 73 | 96 | 6 | 14.1k |
| 2916114.W0 | 75.7 | 160 | 5.7 | 7.7k |
| 2916507.Y0 | 77.2 | 153 | 5.7 | 6.9k |
| 2916508.R0 | 77.2 | 160 | 5.7 | 6.9k |
| 2913003.W0 | 77.7 | 130 | 6 | 8.9k |
| 2911429.Y0 | 78 | 150 | 5.5 | 6.3k |
| 2919125.W0 | 78.8 | 96 | 6.3 | 14k |
| 2913344.W0 | 80.4 | 115 | 6.5 | 11.2k |
| 2912478.W0 | 81 | 130 | 7 | 15k |
| 2914121.W0 | 85.1 | 205 | 6.5 | 7.2k |
| 2915497.W0 | 88 | 135 | 7 | 11k |
Modellek:
- APRILIA LEONARDO 125 4T LC (for Multivar 2000 and original variator)
- APRILIA LEONARDO 150 4T LC (for Multivar 2000 and original variator)
- APRILIA SCARABEO 125 4T LC (ROTAX) (for Multivar 2000 and original variator)
- APRILIA SCARABEO 150 4T LC (ROTAX) (for Multivar 2000 and original variator)
- APRILIA SCARABEO 200 4T LC (ROTAX) (for Multivar 2000 and original variator)
- LAMBRETTA V Special 125 ie 4T euro 4 2019->2022 (XS1P52QMI-3C) (for Multivar 2000 and original variator)
- LINHAI MONARCH 125 4T (for Multivar 2000 and original variator)
- LINHAI MONARCH 150 4T (for Multivar 2000 and original variator)
- OVER THOR 125 4T euro 3 (LJ1P52QMI) (for Multivar 2000 and original variator)
- PEUGEOT BELVILLE 125 4T LC euro 4 (XS1P52 MI-2) (for Multivar 2000 and original variator)
- PEUGEOT DJANGO 150 4T euro 3 (XS1P57QMJ-2B) (for Multivar 2000 and original variator)
- PEUGEOT LXR 125 4T LC euro 3 (MB) (for Multivar 2000 and original variator)
- PEUGEOT TWEET 125 4T euro 3 (for Multivar 2000 and original variator)
- PGO RATTLER 110 2T (for Multivar and original variator - rigidity increase compared to original spring: +5,5%)
- ROYAL ALLOY GP 125
- SCOMADI TT125 125
- SYM EURO MX 125 4T (for Multivar 2000 and original variator)
- SYM FIDDLE III W4 125 4T euro 3 (XS1P52QMI-3B) (for Multivar 2000 and original variator)
- SYM JET 14 125 ie 4T LC euro 4 2018->2020 (XS1P52 MI-2) (for Multivar 2000 and original variator)
- SYM GTS 125 4T LC euro 3 (for Multivar 2000 and original variator)
- SYM HD Evo I 125 ie 4T LC euro 3 (for Multivar 2000 and original variator)
- SYM SUPER Duke 150 4T (for Multivar 2000 and original variator)
- SYM SYMPHONY ST W4 125 4T euro 3 (XS1P52QMI-3B) (for Multivar 2000 and original variator)
- SYM SYMPHONY S 125 4T euro 3 (XS1P52QMI-4) (for Multivar 2000 and original variator)
- SYM SYMPHONY 125 ie 4T LC euro 5 2021-> (XS1P520MI-4A) (for Multivar 2000 and original variator)
- WT MOTORS KAYMAN WT 150 4T (1P57QMJ) (for Multivar 2000 and original variator)
- LAMBRETTA V Special 125 ie 4T euro 5 2023-> (for Multivar 2000)
- SYM SYMPHONY ST 125 ie 4T LC euro 5 2021-> (XS1P52MI-5) (for Multivar 2000 and original variator)
- SYM JET 14 125 ie 4T LC euro 5 2021-> (XS1P52MI-5) (for Multivar 2000 and original variator)
- KL BRERA 125 ie 4T euro 5 2022-> (LJ1P52QMI-B) (for Multivar 2000 and original variator)
- SYM SYMPHONY 200 ie 4T euro 5 2021-> (for Multivar 2000 and original variator)