Introduction
On my recent visit to the new Pivot Headquarters, I got the opportunity to see and ride their new pedal-assist bike, the e-Vault gravel bike. It's an e-bike based on their Vault platform and it integrates the Fazua Evation 2.0 motor and battery system to help propel the rider to 28 mph.

The motor provides 55nm of torque and the battery, 252wh of power. For comparison purposes, the Specialized Turbo Creo SL motor provides 35 nm of torque and 480wh of battery life. This kind of power can typically assist the rider to climb 3000 feet and about 40-50 miles on a battery charge. The battery is fairly compact and modular so the rider can carry an extra battery or two for extended excursions.

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The bike weighs in at about 30 lbs, is spec'ed with Di2 and a burly commuter build with an MSRP of $9999. The bike features seamless integration with a motor system that is quiet and very low-drag. With the Fazua system, the bike can be ridden without the battery or without the motor and battery, delivering a light, traditional bike experience.

The bike also features Pivot's shock-absorbing technology called ISO FLEX. It isolates the saddle from the frame, delivering fewer vibrations to the rider when in the seated position. This system is compatible with dropper posts as well for more aggressive bike descending configurations.

Related: Niner's Electrified RLT E9 RDO

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Ride Impressions
I felt privileged to be one of the first outsiders to actually test ride this bike as we rode it in South Mountain and the surrounding area. With the motor off, there is indeed no resistance from the motor as a well-designed one-way coupling does not engage the motor at all. It just feels like a 30-lb gravel bike, planted and secure with no noise whatsoever.

Turn on the motor to the lowest setting and it's best described as a magic carpet ride. The motor assistance is very smooth and seamless, much quieter than a Shimano E8000 or Brose motor. The smoothness of power delivery is very similar to a Specialized Creo SL or Levo but this Fazua is even quieter. There are three levels of power assistance with the lowest one ideal for flat, rolling terrain. The middle mode is best for consistent climbs and the highest level delivers the exhilarating lift, with more power than the Creo SL but not quite to the level of a Shimano E8000 motor.

Related: The Best Gravel Bike Tires for Every Type of Terrain

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When the motor shuts off at around 28mph, the transition is smooth and fluid. It's worth noting that the Fazua motor engages and disengages (similar to a rear hub) and there are not a lot of engagement points. Rotation before engagement seems to be around 15 degrees so there is a bit of delay when picking up the pedaling and transferring power to the ground. The hub engagement is still in play so the hub's rotation before engagement is added to the motor's. While this could be detrimental in a mountain bike application, this doesn't seem to be much of an issue on a road or gravel bike.

The build for this bike is more of an all-arounder, lacking big tires, dropper, and wide gravel bike bars. Thus if off-road is the intended use by the buyer, modifications may be needed. And the one and only configuration at the time of release is a Di2 model at $9999. That is unfortunate as we feel this would appeal to so many riders and applications if available at lower price points.

Related: The Best Bikepacking Gear

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From Pivot Cycles
The new e-Vault shares the same sophisticated, proprietary carbon fiber construction and velvet-smooth ride qualities as our acclaimed Vault. It offers surefooted yet intuitively responsive handling, provides clearance for the widest tires available, and features the ride-smoothing comfort of our patent-pending ISO FLEX damping technology. Derived from this highly versatile, multi-terrain all-star, the e-Vault enhances your ride experience with the seamless incorporation of a Fazua motor and battery module. Built so cleanly into the chassis as to be invisible, this motor-assist bike ushers in a whole new way of riding; augmenting your power, extending your range, expanding your horizons.

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Tailored to Suit Your Style
With three different on-the-fly adjustable riding-assist modes ranging from 100w to 250w, you can decide when to accept a strong and friendly tailwind or unleash a killer sprint. A robust and powerful 252 watt-hour battery provides enough range for back-of-beyond exploration.

Technology & Data: Forging a Richer Ride Experience
The ingenious gearbox completely decouples for completely natural, drag-free, non-assist pedaling when the motor assist is not needed. Power levels can be easily adjusted via the integrated top-tube touch-panel, and Bluetooth connectivity allows you to monitor the battery and motor system while also providing GPS tracking, ride data, and recording functionality along with direct access to Fazua service. This can be synced to your smartphone, and is also compatible with Garmin, Wahoo, and other similar tech, allowing you to consolidate all ride data in a single display.

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Fazua Evation 2.0 motor and battery details
• Lightest, most compact down tube drive train and battery unit
• 252 Watt/Hours of battery life
• 55Nm torque and three pedal assist support levels: Breeze, River, and Rocket
• Data integration with Garmin, Wahoo, and other personal rider technology

Elegant Frame Design & Integrations
• Proprietary Hollow Core internal molding technology for the optimal stiffness to weight ratio and ride compliance
• Top tube sensitive touch Evation control panel with laser power level indicator lights
• Discreet downtube profile marries high performance with stunning aesthetics

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ISO FLEX Seat Post Technology
• Isolates the seat post from the frame for vibration dampening, even in mixed terrain
• Patent-pending technology provides comfort with uncompromised frame stiffness and control
• Dropper seat post compatible
• Ability to run either 27.2MM (standard) or 30.9mm seat post sizes

A Seamless Lifestyle
• Hidden fender mounts for sleek accommodation of all-weather riding and commuting accessories
• Additional Fazua batteries and custom on-the-bike battery bags make ease of carrying a second battery
• Planted, powerful, and resistance-free riding, even with the Evation module removed


Ride-Tuned Full Carbon Frames
• Fit riders 5’ (152 cm) to 6’5” (196 cm) with a complete size range, XSmall through XLarge
• Independent strength to weight analysis for each size frame achieves consistent performance metrics
• Vertical compliance is scaled across all sizes through customized carbon lay-ups, providing optimal ride characteristics
for every rider

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E-Vault FAQ

How fast can I go on the E-Vault? – [US Version]

The E-Vault’s battery no longer assists once the rider reaches 28 miles per hour—at that point, it’s like you’re riding a regular bike. The E-Vault is a Class 3 ebikes. As with any bicycle, your downhill speed is a function of your riding skill, comfort level, and terrain or road conditions.
How fast can I go on the E-Vault? – [EU Version]

The E-Vault’s battery no longer assists once the rider reaches 25 kilometers per hour—at that point, it’s like you’re riding a regular bike. The E-Vault is a Class 1 ebikes. As with any bicycle, your downhill speed is a function of your riding skill, comfort level, and terrain or road conditions.

How much does it weigh?
The E-Vault complete bike in medium, Di2 GRX build with carbon wheels weighs 29.9 lbs (13.56 Kg.). Pivot bicycles are among the lightest available, but the weight is only one of many factors that make a great bicycle. Other aspects such as frame stiffness, strength, durability, and ride quality are just as important as the weight to our engineers when designing our Hollow Core Carbon frames. Instead of comparing grams online, we suggest you visit your local Pivot dealer and see our attention to detail, smart, high-value spec, and class-leading features.

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How do I remove the battery from the drive unit for charging?
Battery removal or battery swaps are very efficient with the Evation motor system. We’ve included simple instructions showing how to remove the battery in your E-Vault’s owner’s manual that can be accessed in the Tech Specs.
How long does it take to recharge the battery?

It can take up to 3.5 hours to recharge the battery from being completely dead. In our experience, a battery with some charge tends to charge faster.

How many miles can I get out of each battery charge?
You can climb up to approximately 1000 meters (3,280 feet) when operating the bike in the middle – Rocket – assist level (200 Watts of support). Many variables impact the total riding distance per battery charge, including but not limited to rider and gear weight, tire pressure, how much time is spent in each riding mode (Breeze, River or Rocket), wind or weather, elevation, and tire profile. During in-house testing, we repeatedly were able to ride 45-50 miles on mixed surfaces with almost 3000 feet of climbing on one battery charge.

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What are the battery options and how much do they cost?
The 252 W/hr battery lithium-ion battery that comes standard on the E-Vault retails for $9,999. E-Vault batteries are available for purchase from Pivot dealers.

Can you hack the Fazua drive unit and make the E-Vault exceed 28 mph? – [US Version]
Generally, no. We have heard of hacks that move or remove the top speed limitations, or artificially change the wheel size to gain more top speed assist. However, these hacks generally result in a loss of torque, effectively removing performance (and fun) from the system under the conditions and speeds you ride most. If you are already over 28 mph, most likely you are flying downhill and don’t need more assist. If you climb up hill at speeds exceeding 28 mph, congratulations! You are one incredibly fit individual, and you also don’t need additional assist. Additionally, leaving your drive unit in its original stock settings means your warranty will stay intact. The E-Vault was not designed or tested to be run with a setting that is more powerful and/or changes or removes the top speed limits for the battery assist. Changes in the stock system will void the warranty, not just of the system, but of your entire bike.

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Can you hack the Fazua drive unit and make the E-Vault exceed 25 km/h? – [EU Version]
Generally, no. We have heard of hacks that move or remove the top speed limitations, or artificially change the wheel size to gain more top speed assist. However, these hacks generally result in a loss of torque, effectively removing performance (and fun) from the system under the conditions and speeds you ride most. If you are already over 25 km/h, most likely you are flying downhill and don’t need more assist. If you climb uphill at speeds exceeding 25 km/h, congratulations! You are one incredibly fit individual, and you also don’t need additional assist. Additionally, leaving your drive unit in its original stock settings means your warranty will stay intact. The E-Vault was not designed or tested to be run with a setting that is more powerful and/or changes or removes the top speed limits for the battery assist. Changes in the stock system will void the warranty, not just of the system, but of your entire bike. It is also in violation of EU regulations in which you could be subject to punishment and fines.
If my drive unit breaks, is my local bike shop going to be able to repair it?

Drive units are completely sealed in order to keep the electronics and mechanical pieces perfectly clean year after year. Like most Fazua components, it has a 2-year warranty. If something mechanical were to fail after that point, the solution would be to contact Fazua for repair or replacement of the drive unit. Drive unit service and warranty claims are handled through an authorized Pivot retailer. Firmware related problems may still be solved by a dealer with the Fazua Toolbox Software. The software displays various different parameters for your system and allows you to independently perform a firmware update: FAZUA - Desktop Software

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What happens if my drive unit breaks—am I stranded on the road?
In the unlikely event of a drive unit malfunction, your E-Vault is still absolutely ride-worthy. True, the E- Vault weighs more than its non-motorized siblings. Due to the sleek, minimalist E-Vault frame design, you’ll feel that additional weight only slightly with the drive unit turned off (there’s no getting around physics), but it’s still fun to ride with the drive unit turned off. The gearbox completely decouples for natural, drag-free, non-assist pedaling when the motor is not running.
What kind of maintenance do I have to do on the drive unit and how often?

Beyond occasional firmware updates, described above, there is no maintenance required on the drive unit. The clean environment that keeps the electronics happy also keeps the gears and bearings running smoothly for years. The chainring is easily removable so that it can be replaced after regular drive train wear. Please note that Fazua strongly advises against pressure washing, as high-pressure washing can create problems with the drive unit, including connectivity problems. For additional information regarding troubleshooting drive train creaking noises or connectivity problems, please refer to your E- Vault Owner’s Manual.

How wide of a tire can I run on the E-Vault?
Fits up to 700 x 45C and 650b x 47C (27.5” x 2.0”) tires

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What is ISO FLEX?
ISO FLEX is a Pivot designed, Patent Pending system that isolates the seatpost from the frame for extraordinary comfort while maintaining elite level frame stiffness. The lightweight rubber insert comes in two sizes: 27.2mm and 30.9mm allowing the rider to use any seatpost on the market including dropper posts with class-leading comfort. 27.2mm is included with the frame and the 30.9mm size is available for purchase through your local Pivot Cycles dealer.
What size seat post does the E-Vault use?

The E-Vault comes stock with use a 27.2mm seat post and insert. The ISO FLEX system is also compatible with 30.9mm seat posts by simply swapping the ISO FLEX inserts. The 30.9mm ISO FLEX insert can be purchased through any Pivot dealer or on our website (depending on the country).

How do I change the ISO FLEX insert?
Removing the ISO FLEX insert is a simple process that only takes a few minutes. Start by removing the seatpost and seat collar. Next, using a Shimano Hollowtech II bottom bracket tool (we recommend the genuine Shimano TL-FC32 Bottom Bracket Tool), unscrew the lock ring counterclockwise and remove the lock ring and washer from the frame. Reinstall the seat collar, seatpost, and tighten the collar bolt. Gently rock the saddle back and forth while pulling up until the ISO FLEX insert assembly slides out of the frame. Loosen the collar and remove the insert from the seatpost. To reinstall, lightly grease the outside of the insert and slide it into the frame. Reinstall the washer and lock ring by turning it clockwise by hand until it bottoms out on the insert. Then, using the TL-FC32 Bottom Bracket Tool, snug down the lockring, reinstall the seat collar, insert the seatpost to your desired height and tighten the collar bolt to 5 Nm. If there is any play in the system DO NOT overtighten. You will need to install 1 of the washers included with the ISO FLEX kit between the lock ring and the insert. Start with the smallest washer and then change to thicker ones as needed until the play is eliminated. For more detailed instructions with photos please see our tech document E-Vault

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What size seat clamp does the E-Vault use?
The E-Vault frame uses a proprietary seatpost clamp designed to work with the ISO FLEX system. Standard seat collars will not work.

Can I use a dropper post with this frame?
Yes, the E-Vault is designed for stealth internal dropper seatpost routing and works with any 27.2mm or 30.9mm dropper seatpost.

Can I use a power meter on the E-Vault?
The Fazua system provides power meter or cadence information via Bluetooth to most bike computers, including Garmin and Wahoo. Additionally, through the Fazua Rider App you can access a full range of sensor- and system-generated data, including but not limited to speedometer, cadence, rider power, and rider torque. For more information about the Fazua Rider App and other digital tools, see the Fazua website: FAZUA - Mobile Apps

Is the E-Vault frame compatible with suspension forks?
Yes, the E-Vault frame is compatible with the suspension gravel forks currently on the market such as the Fox 32 Stepcast AX or Lauf Grit and Grit SL models. Alternatively, we have had excellent results using the Redshift ShockStop suspension stem.

What is the fork offset on the E-Vault?
The fork offset on the E-Vault is 45mm.

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What is the Q factor of the Praxis Carbon cranks on the Fazua drive unit used on the E-Vault?
The Praxis Carbon cranks used on the E-Vault have a 163mm q-factor

What hub/wheel spacing, and axle thread pitch does the E-Vault use?
The E-Vault features 12x142mm thru-axle spacing in the rear and 12X100mm thru-axle spacing in the front. Both use 1.5 thread pitch thru-axles.

What brakes does the E-Vault use?
The Vault is a disc brake only bike and can be used with any road-specific hydraulic or mechanical disc brake on the market that is compatible with Shimano’s flat-mount standard.

What size rotors will work on my E-Vault?
The Vault will work with 140-160mm rotors on the front and rear.

What type of rear brake adapter do I need?
On the front, Shimano’s flat mount brakes come with a plate that is reversible for either a 140mm or 160mm rotor. No additional brake adapter is required. The rear also uses Shimano’s new direct-mount standard. With the new Shimano direct-mount rear caliper and a 140mm rear rotor, there is no adaptor required. With the new Shimano direct-mount rear caliper and a 160mm rear rotor, the correct adaptor is available from Shimano. The rear mount is 30mm thick and designed to use mounting bolts that are 37mm long with SRAM and 43.2mm long for Shimano flat-mount brakes. The E-Vault uses 160mm rotors front and rear.

What front derailleur does the E-Vault use?
The E-Vault uses a braze-on style Di2 front derailleur. The E Vault is not compatible with mechanical shifting systems. You cannot use a SRAM AXS Wireless system with a front derailleur as SRAM does not certify their front shifting systems for use in E-bike applications. Even if you chose to ignore SRAM’s warnings, rear tire size choices are limited due to the rearward location of the battery on the SRAM front derailleur using up tire clearance space.

What headset do I need for the E-Vault?
For the Pivot E-Vault, we use an integrated style headset. The upper bearing measures 1-1/8" with 45°/45° ACB & has an OD of 41.8mm. The lower bearing measures 1-1/2" with 45°/45° ACB & has an OD of 51.9mm.

How is the Di2 system powered?
The Shimano Di2 system is powered by a separate battery in the seat tube. This battery is not intended to be removed for charging and can be charged using a Shimano Di2 charging cord from the end of the handlebar on the right (drive side) of the bike. If a problem occurs with your battery and it needs to be removed from your bike, please contact your local Pivot dealer. For additional information regarding Di2 system operation and maintenance, please refer to the Shimano Di2 operating manual. To learn more about customizable settings off the bike, visit the Shimano E-Tube project online at E-TUBE PROJECT | E-TUBE.


Which size bike should I purchase?
To ensure the best sizing, we recommend that you visit your local Pivot dealer to get a professional fit and refer to our geometry chart to check your measurements. However, we can provide a rough guideline:
X-Small: 5'0" – 5’4” Small: 5'4" – 5’8” Medium: 5'8” – 6’

Large: 6’-6’2” X-Large: 6'2” – 6’6”


More Information: E-Vault