BOMBER Z1 COIL FORK & COIL CONVERSION KIT
As terrain and riding styles have gotten rowdier and rowdier, and bikes have gotten more and more capable, the need for bomber suspension that feels buttery and bottomless has never been greater. The industry has fondly embraced recent trends towards coil-sprung rear shocks yet none of the major players have stepped forth with a complete coil fork system. Up until now, that is.
Riders have been asking for it, Marzocchi heard the call and has proudly delivered. The new Z1 Coil builds on the legacy of the single crown fork that started the revolution all the way back in the ‘90s – the O.G. Bomber Z1 Coil. The new Bomber Z1 Coil delivers the same no-nonsense, super dependable, great feeling suspension that riders have come to expect from Marzocchi over the years.
Starting with the stout and proven 36mm chassis of the modern-day Bomber Z1, the new Z1 Coil retains the renowned and simple to dial-in Grip damper but swaps out the air spring assembly for the most advanced coil spring system Marzocchi has ever made. At the heart of this new coil system is an ultra-lightweight tempered silicon-chromium steel spring (available in 4 spring rates to suit a wide range of riders); coupled with a noise management system for near silent performance; an integrated air assist for progression and bottom out control; and an external preload adjuster to dial in sag and firmness off the top. Travel can easily be changed in 10mm increments from 150-180mm (depending on wheel size) via included, reconfigurable internal spacers.
All of these features plus an industry-leading 125 hour recommended service interval (for both lower legs and damper), combine to deliver what every rider wants: maximum fun and minimum hassle. With an MSRP of $749 USD, you won’t need a second mortgage to get your mitts on top-shelf suspenders.
What if I already have a new Z1 with an air spring but I would prefer the coil spring, you might be asking? We’ve got you covered! We’re offering coil conversion kits, also in 4 choices of spring rate. $175 United States smackaroos gets you a no holds barred coil conversion kit that was designed by the same team that designed the fork, so you know it’s going to work exactly as intended and not mess with your factory warranty.
Complete coil forks are available now and coil conversion kits will be available in mid-February. And of course we will continue to offer the air-sprung version of the Z1 because as E40 once said, “everybody got choices”.
• Legendary Marzocchi Bomber ride feel and durability
• Light-weight Tempered Silicon-Chromium steel spring
• Air Assist for progressivity / bottom-out control
• Spring preload easily adjustable via top cap
• Noise management system for quiet performance
• Chassis: 36 mm
• Travel: 150 (29 only), 160, 170, 180 (27.5 only)
• Wheel: 27.5 or 29
• Axle: 15QRx110
• Damping: GRIP (compression + rebound)
• Spring: Tempered Silicon-Chromium Steel
• Steerer: 1.5 Tapered Aluminum
• Stanchions: Ø36 mm Black Anodized
• Rake: 37 (27.5 only), 44, 51 (29 only)
• Color: Matte Black or Gloss Red • Starting Weight Complete Fork: 2,525 g
• Availability: January 14th, 2020
• MSRP Z1 Coil fork: $749 USD
• MSRP Conversion Kit w/o coil spring (Plunger Kit): $130 USD
• MSRP Coil Spring: $45 USD
Q: Do I have to buy the complete Z1 coil fork or can I upgrade my existing Z1 to a coil spring?
A: Nope! Parts are readily available to easily convert the spring side of your existing fork, and the damper side is identical between coil and air-sprung models. Total cost to convert is $175 USD. Once converted to coil you cannot convert back to air.
Q: Why doesn’t this system have a secondary air spring like some other more expensive coil conversion kits on the market?
A: Our coil spring system utilizes captured air and oil within the fork’s spring side lower leg to not only lubricate the chassis but also to function as a secondary air spring, providing progressivity and bottom-out resistance, and eliminating the need for any additional type of air spring or bottom-out damper.
Q: Can I adjust the progressivity/bottom-out resistance?
A: No, this feature is set from the factory and tuned to an ideal spring curve.
Q: How much heavier is the coil spring vs. air spring?
A: The only real difference in weight is the coil spring itself. The delta between a Z1 coil fork and a Z1 air fork isroughly 250-350 grams, depending on spring rate.
Q: Do I have to buy extra parts to change the travel of my coil fork?
A: Nope! Travel can be easily changed by re-orienting (included) internal spacers as noted in the included manual.
Q: Is your coil conversion kit compatible with any other forks beside the Z1?
A: This kit was designed exclusively for the Z1. It is also compatible with the Fox 36 Rhythm series fork. It is not compatible with any other series of Fox 36 forks, such as Factory, Performance Elite, or Performance.
Q: Do you plan to offer coil conversion kits for other fork models in the future?
A: Quite possibly! Time will tell…
Q: What does the preload adjuster dial do?
A: Spring preload allows you to increase or decrease spring force to achieve the proper sag setting. Spring preload does not affect spring rate or the shape of the spring curve.
Q: How do I know what spring rate is right for me?
A: See Spring Rate Chart below.