evo.com | Marzocchi Small Parts > If you have a Bomber Z1 fork but feel that it's lacking the "je ne sais quoi" that only a coil can offer, you're in luck. The Marzocchi Bomber Z1 Coil Spring Kit allows you to convert your Z1 air into a Z1 coil in mere minutes, with options ranging from Soft to Extra Firm. Compatible with Marzocchi Bomber Z1 Fork | Marzocchi Bomber Z1 Coil Spring Kit 2022 - Extra Firm