The Mokwheel Onyx is a powerful, confidence-inspiring bike built around muscle rather than outright speed. Its motor favors brute strength over quick-twitch acceleration, and the suspension helps encourage rides that wander off the beaten path.

Mokwheel is a staple in the fat tire community, but the Onyx is the burliest build we’ve seen from the brand to date. It draws attention with the highest-torque motor our review team has ever tested, a full-suspension setup capped with a dual-crown fork, and a handful of thoughtful tech and component upgrades. Overall, it largely sticks the landing on its goal of being a powerful, go-anywhere, do-anything machine, though there’s still a little room for refinement.
Strong motors aren’t hard to come by, but a mid-drive capable of 1300W peak output and a staggering 210Nm of torque is rare territory. Power is often confused with speed, and while the Onyx can move quickly, its real focus is raw muscle. The tuning prioritizes climbing ability, letting riders grind their way up just about anything with steady, determined effort.
Mokwheel has long championed full-suspension fat tire bikes at relatively approachable prices, but the dual-crown fork is a new move for the brand. Its performance is solid and arguably more about visual impact than unlocking entirely new capabilities, yet it still works well in concert with the rear shock, oversized tires, and adjustable stem to create a comfortable, confidence-boosting ride platform.
The frame feels stout and well-built, particularly around the four-bar linkage. You’ll also find nicer components than we typically see on fat tire e-bikes, including four-piston hydraulic brakes with large 203mm rotors, a Shimano CUES drivetrain that pairs well with the high-torque motor, and a unique stem-mounted display that delivers a crisp, high-definition experience. Like other Mokwheel models, it also supports solar panel or power inverter hookups for charging external electronics.
It’s undeniably a bulky ride, and while the fork does its job, it comes with some limitations. Still, the Onyx stands out as a unique option with strong appeal for outdoors-focused riders and larger riders in particular. For a deeper dive into how it performed, head down to the testing sections in the full Mokwheel Onyx review below.
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