Just bought these pedals....
Don't need the spring with a hydraulic set-up.
Brewer's does have a spring
http://www.brewersperformance.com/products.asp?cat=43
Passon has them for a few $$ more.
http://www.passonperformance.com/component/virtuemart/?page=shop.browse&category_id=75
But you do not need it with a hydraulic set-up.
Wylde1.
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