Product description
SR25 Retro Arms SiCr Spring with Progressive Irregular Coil M100
Main spring made of steel with a chromium and silicon alloy, for Long type gearboxes.
The progressive coil facilitates the tensioning of the spring without compromising its power.
Spring dimensions:
Internal: 11.3 mm
External: 14.5 mm
Length: 205 mm| Colour | Grey |
| Product weight [g] | 10 |
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