Levo Gen4 - Everest Edition
Big power, light weight, custom mountain slayer!
The Ingredients
A high-powered E-MTB with a removable battery is an absolute must—I ended up using six batteries to complete this challenge. Fully tuned suspension is essential to balance performance with fatigue resistance over the very long day in the saddle. Powerful brakes are critical because, don't forget, you’re descending Everest as well as climbing it. Armoured tyres are also important - after all, nearly 70% of mountaineering accidents happen on the way down. A dialled-in saddle and cockpit setup is key since you’ll undeniably be spending a long time on the bike. Finally, include as many lightweight upgrades as you can justify while still adhering to the priorities above.
The Power
The Specialized Levo 4 is the ultimate E-MTB. Specialized are a behemoth in performance mountain bikes, and unlike most brands they design their e-bike drive systems in-house. This means that above all else the Levo integrates electric performance with a great riding bike in a way that most other brands simply can’t. A few key features make it perfect for wild challenges, specifically the precisely modulated 111nm torque and 850w peak power from the motor, massive 840 watt-hour battery, and crucially the ability to remove and replace said battery. While the range of the Levo is market-leading and more than enough for a typical ride, an a-typical ride with an Everest amount of climbing at a record breaking pace will likely mandate battery swaps. This makes the Levo Gen4 the perfect bike for our challenge!
The Suspension
The stock Fox 38 fork was swapped for the skinnier and more forgiving Fox 36 Factory, and the suspension tuned for my weight and riding style with a heavy emphasis on endurance and fatigue reduction. We went with more sag than usual (35%), less ramp than usual (less volume spacers) and ran the compression settings towards maximum so, as the ride went on and fatigue set in, we had the ability to soften the suspension further on the dials alone rather than having to stop to make pressure changes. Its all about those precious minutes on the trail!
The Brakes
Sram Maven brakes are a definite benchmark but they were ditched in favour of the absolute supermodel Trickstuff Piccola, an incredibly bourgeois brake but one that offers unparalleled stopping power at a weight of 341g for the pair; that’s 20 grammes lighter than a single Maven! I went through two sets of pads during the challenge but these beauties kept their composure for all 18 laps of the 13 min descent.
The Wheels
The front wheel was replaced with one of the lightest production wheels available, the Roval Control World Cup swiped straight from my cross-country race bike. This wheel has carbon fibre spokes and weighs in at 450g! We kept the existing Traverse SL rear wheel but modified it with a DT Swiss Ratchet DF pedal kickback device that would reduce the vibrations and bump inputs being transferred through my legs and ultimately keep them fresher for longer on the super tech descents.
The Drivetrain
My personal soft spot for mid-2010s cross-country drivetrains meant the latest greatest Sram XX wireless transmission came off, and on went Sram’s top offering from thirteen years ago, cable-actuated Sram XX1. This may seem like a backward step, as does losing the twelfth gear, but the weight saving was there (right alongside the nostalgia). The simplicity of having fewer batteries to swap on the bike was also a tick in the 'reduce admin stress' box!
The Cockpit
Getting the perfect riding position means a compromise between climbing and descending. I settled on a 90mm length stem and a 720mm width handlebar, which gave me a sustainable posture for the entirety of the challenge. The Roval Control one-piece carbon cockpit is also just quite cool.
The Saddle
The saddle was equally important, and as it happens the stock Specialized Power Mirror with its super comfortable 3D printed foam structure is one I get on very well with. This stayed, and gave me zero discomfort for the twelve very hard and wet hours I spent on it out there tackling the worlds highest mountain.