2.25″ ID 4″ Free Length (102mm) Helper Spring
Price shown is for a single spring.
If you require a pair please order 2 springs.
£20.50 – £47.00 ex. VAT
Metric coiling size 58.5mm ID to clear.
All standard 2.25″ ID flat section material helper/tender springs are powder coated polyester gloss Blue (RAL 5010).
If you require a different free length or rate that is not listed, please Contact Us.
Choose your rate (lbs per inch)
For metric spring rates please use Conversion Tool
For helper springs compressed heights and further seat information, please see our downloads page.
| Rate (lb per inch) | 4 lb – 0.7 N/mm – 0.07 kg/mm, 30 lb – 5.26 N/mm – 0.54 kg/mm, 40 lb – 7.02 N/mm – 0.71 kg/mm, 50 lb – 8.77 N/mm – 0.89 kg/mm, 75 lb – 13.16 N/mm – 1.34 kg/mm, 100 lb – 17.54 N/mm – 1.79 kg/mm, 125 lb – 21.93 N/mm – 2.23 kg/mm, 150 lb – 26.32 N/mm – 2.68 kg/mm, 200 lb – 35.09 N/mm – 3.57 kg/mm, 230 lb – 40.35 N/mm – 4.11 kg/mm |
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