The springs are too easy, plenty of old posts about it, basically it's a drop-in mod, maybe take 30 mins. at the most. I think those things are around 68-70 bucks a pair.
Makes the ride "delightful and swooshy" to quote a member's daughter.

2005 Model . Two Fast Eddy stickers , a bell and a clock . She's Lola . She tinkles and keeps time . http://s649.photobucket.com/albums/uu211/britbike05/