The World’s Lightest E-Gravel Bike, Prolog All-road
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The World’s Lightest E-Gravel Bike, Prolog All-road

LeMond prolog all-road eBike in white, side view

Most people know of Greg LeMond as an American professional cyclist who won the Tour de France three times, and some would consider him the greatest American cyclist of all time. He won his first Tour in 1986 on a carbon fiber bicycle, then twice more after recovering from a hunting accident. But what you may not know is that he’s an entrepreneur who has a bicycle company as well as interests in restaurants, real estate, and consumer fitness equipment. 

The bicycle company has had a storied past, including a 13-year partnership with Trek. Greg designs the bikes, they’re all carbon, and now they’re all electric. 

The man himself, Greg LeMond, out on a ride on the new Prolog All-road. Photo care of LeMond.

I reviewed the original Prolog, a stunning carbon commuter-style bike with flat bars. The very moment it was handed to me and I grabbed the grip, it was obvious that it’s incredibly light. Really great if you ever have to carry it. That bike has flat, commuter-style bars. The new all-road version adds drop-bars and clearance for up to 44mm gravel tires (this may not work with fenders). The original Prolog weighed in at about 27 lbs, the All-road is only a pound heavier. 

The bike is just so beautiful and clean. The graphics are minimalist and elegant. LeMond put as much care into the function of the bike as he did into the form. It’s available in black, white or pink. The pink is the showstopper.

This was the original Prolog with flat bars. The “Rosa” color is eye-catching. Photo by Tony Donaldson.

Power

The bike is powered by the Mahle X35+ rear hub motor, which is lighter and provides more torque and adds connectivity to an app that offers detailed analysis of your routes, including elevation, health-related data, and more, and it can automatically share with other platforms, like Strava. The motor itself puts out 250W and has 40Nm of torque.

The battery is also small and set inside the down tube. It has a capacity of 250Wh, which LeMond claims can offer you “up to 70 miles of range”. If you only use it in Eco mode on flat pavement, weighs 110 lbs and has a slight tailwind the whole time. They do offer a 208Wh range extender as an option. It plugs into the charge port on top of the bottom bracket and sits in a bottle cage. There are bosses in the front triangle to mount two bottle cages.


Keep It Simple

For simplicity, everything with the motor system is controlled from the single Mahle iWoc button on the top tube near the head tube. Turning it on or off, changing power modes, even turning on the lighting, all done with one button. It tells you the battery capacity remaining by the color it’s glowing. If it’s solid white, you have 70+% battery left, if it’s green you have 50-70%, if it’s orange you have between 25-50%, and if it’s red, you have less than 25%, and if it’s flashing red, you’re under 15%.

The iWOC button is the only external control for the motor and lighting. Photo courtesy of LeMond.

The integrated lighting is a really nice touch. The small light at the front is powerful enough to be seen in daylight, and the rear lights are built into the seat stays and mounted at an angle to be seen equally well from the sides and from the back.

The drivetrain is a Shimano GRX 1×11-speed setup with an e-bike-rated Shimano chain. Stopping power is also Shimano GRX, with hydraulic discs front and rear. You can upgrade to wireless Shimano Di2 shifting for $800. 

I haven’t ridden the All-road yet. But my experience in the past with the original Prolog speaks to the fact that LeMond really knows what he’s doing with the frame design, including the way he utilizes the properties of carbon fiber. You can wrap it in different ways to make it stiffer or more flexible. He’s struck a balance with his frames to be snappy when you want them to be, but forgiving over bumpy stuff, especially for a gravel bike, one that is likely to spend equal parts on the road and off.

The larger tire volume helps, as well. The rims and tires are tubeless-ready, meaning that they ship with tubes, but you can run tubeless. If you’re going off the pavement, tubeless is a huge advantage to not getting flats from thorns. 

The Prolog All-Road comes in three sizes. Small fits riders 5’2”-5’10”, medium fits riders 5’8”-6’2”, and the large fits 6’0”-6’6” riders.


Lemond Prolog All-Road Specs

Price$5995.00
FrameCarbon Fiber, LeMond Design, 250 lb weight limit
ForkCarbon Fiber, LeMond Design
Motor250W Mahle X35+ M1 rear hub motor
Battery36V 250Wh Panasonic li-ion
ControlsMahle iWoc
Charge Time3 hours
Top Speed20 mph
RangeUp to 70 miles (claimed)
Rear derailleurShimano GRX, 11-speed
ChainShimano 11-speed e-bike compatible
BrakesShimano GRX hydraulic disc brakes
SaddleSelle Royal Lift
RimsToken G23AR alloy, tubeless-ready
HubsFront Token M1A
TiresPanaracer, 700x43mm
Weight28 lbs
Color ChoiceBlanc (white), Noir (black), Rosa (Pink)
SizesSmall, medium, large
WebsiteLeMond.com

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FEATURE IMAGE: LEMOND

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AUTHOR: 

TONY DONALDSON

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