Pinion MGU Gearbox E-MTBs: Haibike AllMtn CF11 Review

Why the Pinion MGU + belt combo has everyone talking

The Pinion MGU concept is simple to explain and surprisingly hard to do well: combine a mid-drive motor with a multi-speed gearbox in a sealed housing, then send that drive to the rear wheel via a belt or chain. In theory, the benefits stack up fast. A properly executed belt drive eliminates chain lube, chain stretch, cassette wear, and the grinding soundtrack of a gritty winter ride. A sealed gearbox keeps shifting internals out of the mud. And because the “gears” sit close to the bike’s center, you reduce unsprung mass and allow the rear suspension to work without hauling a cassette and derailleur through every compression.

For riders who spend half their lives cleaning drivetrains—or who ride in wet climates where a derailleur is basically a consumable item—the promise is almost boringly practical: more riding, less maintenance. And if you want to prepare your current bike for belt life or simply reduce drivetrain chaos on any e-bike, it’s worth keeping a few basics on hand like a proper degreaser and cleaning kit. (Try a dedicated brush kit such as the Park Tool-style drivetrain brush kit or a similar set designed for bike-specific grime.)

Park Tool Cleaning Brush, Aluminum, Blue, Unisex | Park Tool BCB-5 Professional Bike Cleaning Brush Set | Durable Tampico Bristles

• A professional-grade set of five unique cleaning tools purpose-built for scrubbing away dirt and grime
• Long ergonomic handles for leverage and comfort
• Includes three brushes made from tampico, a natural fiber derived from the agave plant
• Tampico is extremely durable, resists chemicals, and holds moisture well, making it an ideal material for cleaning brushes
• Also includes stiff nylon bristle brush and soaping sponge

$54.95

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Range: the question that decides whether gearboxes are “future” or “fashion”

Most e-MTB range debates are really proxy wars about rider expectations. Some want maximum distance per charge; others want maximum laps per hour. Gearboxes complicate this because you’re not just evaluating motor efficiency—you’re evaluating the entire system: gear mesh losses, shift strategy, software tuning, and how the motor responds to cadence changes across a 12-speed internal range.

What MBR’s test usefully highlights is that real range is contextual: terrain, temperature, tire choice, pressure, rider input, and assist mode matter more than marketing numbers. Still, the takeaway that matters for the gearbox conversation is this: the “sealed drivetrain” dream doesn’t automatically mean a range penalty. If anything, a gearbox’s ability to keep the motor operating in a more optimal cadence band—without a derailleur’s chainline compromises—can help. But (and it’s a big but) only if the system’s shift logic and rider interface make it easy to stay in that band.

That’s where a lot of early adopters will either fall in love or bounce off hard. Riders used to dumping three gears at a stop, then stamping away, may need to retrain their habits—especially with belt systems that reward smoother torque input. If you’re the type who likes to quantify everything, it’s worth pairing any range testing with a simple heart-rate monitor to keep efforts comparable run-to-run, like the Garmin HRM-Dual.

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Garmin HRM 200 Heart Rate Monitor, M-XL | Captures Accurate Heart Rate & HRV, Durable & Built to Last, Machine Washable Strap

• The HRM 200 heart rate monitor transmits accurate real-time heart rate and heart rate variability data to compatible Garmin smartwatches and cycling computers, fitness equipment, and apps
• Comfortable strap is available in two sizes (XS–S and M–XL) for the most ideal fit for your body type
• Up to 1 year of battery life with a user-replaceable battery
• Durable and built to last with a 3 ATM water rating
• Machine washable for easy cleaning

$74.95

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Ride feel: the make-or-break detail nobody can spec-sheet

The strongest argument for derailleur systems has never been efficiency on paper—it’s the familiar, immediate feel. Derailleurs shift with a certain crispness that’s been refined for decades, and riders can “hear” and “feel” when the drivetrain is happy. Gearboxes can feel different: sometimes quieter, sometimes more mechanical, sometimes accompanied by a slight pause in power delivery depending on shift implementation.

In other words, you don’t buy a gearbox e-MTB only with your spreadsheet brain—you buy it with your legs. If a gearbox system encourages you to spin, to shift more often, and to stop worrying about rock strikes on a dangling derailleur cage, that’s a tangible upgrade. If it feels draggy, hesitant, or overly software-mediated, you’ll resent it no matter how clean your hands stay.

One practical tip: if you’re demoing a gearbox e-MTB, bring your own familiar pedals so your body doesn’t blame the bike for a contact-point issue. A dependable option many riders already know is the Shimano XT Trail SPD pedals.

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SHIMANO PD-R550 All-Level Road Cycling Pedal

• The PD-R550 is a User-Friendly Road Bike Pedal: Durable and lightweight SPD-SL pedal for all types of riders
• Customizable Engagement & Release: Wide spring tension adjustment range so you can find your perfect clip in and out
• Ideal for Beginners: Larger entry target is great for anyone new to clipping in and cleat design ensures confidence when you’re off the bike
• Efficient & Stable: Extra-wide platform and wide bearing placement increases stability and power transfer
• Durable Reliability: Stainless steel body plate and sealed bearings for long-lasting performance

$89.89

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Maintenance and ownership: where the gearbox case gets stronger

This is the part the internet often oversimplifies. Yes, gearboxes and belts can dramatically reduce day-to-day maintenance. But they also concentrate complexity in one expensive unit. If something does go wrong, you’re typically dealing with specialized service channels rather than a quick derailleur swap. The tradeoff is similar to cars: fewer routine issues, potentially higher stakes when issues occur.

Still, for many e-MTB riders—especially those riding year-round—drivetrain wear is a silent budget leak. Chains, cassettes, chainrings, jockey wheels, bent hangers, damaged derailleurs: it adds up. If your riding calendar is more “slop season” than “hero dirt,” a sealed solution starts looking less like a luxury and more like cost control.

And regardless of drivetrain type, protecting the rest of the bike matters. A quality torque wrench is non-negotiable for modern carbon frames and e-bike hardware. I keep recommending the PRO Bike Tool torque wrench set (or an equivalent) because stripped bolts are a uniquely demoralizing way to end a ride day.

TEKTON 3/4 Inch Drive Micrometer Torque Wrench (50-300 ft.-lb.) | 24350

• Includes 1-pc. 3/4 in. drive torque wrench; Storage case; Product manual with torque conversion chart
• Wrench emits a click that can be heard and felt when the preset value is reached
• Permanently marked, high-contrast dual-range scale is easy to read, even in low light
• Reversible ratchet head drives in both directions and measures torque in clockwise direction
• Durable all-steel construction has no plastic parts to break or wear out

$79.20

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So… are gearbox e-MTBs the future?

Yes—with an asterisk. The gearbox e-MTB future isn’t guaranteed by engineering elegance; it’s guaranteed by how naturally the bike fits into riders’ lives. If brands can deliver three things consistently, gearboxes will stick:

1. Confident range that matches (or sensibly competes with) today’s best mid-drives.
2. Intuitive shifting that feels as “instant” as riders expect, especially under load.
3. Serviceability that doesn’t punish early adopters with downtime or mystery failures.

The Haibike AllMtn CF11 as tested by MBR suggests we’re past the gimmick stage. Gearbox e-MTBs are now good enough that the conversation shifts from “does it work?” to “is it the right tool for your riding?” That’s exactly where a technology becomes a category.

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Crankbrothers Multi Tool M 19 Matte Black | Crank Brothers Multi-19 Bike Multitool - Stainless Steel, Compact & Durable

• TOOLS INCLUDED: Hex Wrenches #2, 2.5, 3, 4, 5, 6, 8. Open wrench 8mm, 10mm. Spoke wrench #0, 1, 2, 3. Screwdrivers Philips #1 & 2, flat #2. Torx T-10, T-26
• CHAIN TOOL: 8 / 9 / 10 / 11 / 12 speed compatible
• DESIGNED TO BE ERGONOMIC: Side grips provide a secure handhold even with gloves on
• LIFETIME WARRANTY
• COMPACT, SLIM-PROFILE AND LIGHTWEIGHT: 89mm length, 175g

$34.34

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If you’re planning bigger days—gearbox or derailleur—carry the basics to avoid turning a range test into a hike. A compact kit like the Crankbrothers M19 multi-tool and a reliable tubeless repair option such as the Dynaplug tubeless plug kit are the boring heroes of long rides.

Dynaplug Bicycle Tubeless Tire Repair Tool (Small, Ano Red)

• ABOUT THIS PRODUCT: Made in USA. One plug seals a hole with a diameter as large as 3/16". Use more plugs as needed. Carried, tested and used by riding atheletes around the world.
• INCLUDED IN THIS DEAL are 10 pieces: Anodized Tool + (5) Tire repair plugs (pointed tip), (2) Insertion tube with preloaded repair plug, (1) Micro Knife, (1) Air stopper. Machined from 6061 aluminum billet.
• USE: For fast puncture repairs without using glue, patching, or removing the tire!
• DIMENSIONS: Is just 2.25” x .875” and weighs 1.5 ounces.
• COMPANY INFO: Dynaplug is a US company based in Chico, California.

$63.99

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FAQ

Do gearbox e-MTBs get less range than derailleur e-MTBs?

Not necessarily. Range depends on total system efficiency, tuning, and how you ride. A well-implemented gearbox can keep the motor in an efficient cadence zone, but poor shift strategy or extra drivetrain drag can offset that. Real-world testing (like MBR’s) is the only honest way to judge.

Is a belt drive better than a chain for e-MTBs?

A belt can be cleaner and quieter, and it typically reduces routine maintenance. However, it can demand more precise alignment and is less tolerant of frame/drive tolerances. For aggressive, rocky riding, belt protection and correct setup matter.

Can you shift a gearbox under load?

Some systems allow it better than others, but in general gearboxes prefer a brief reduction in torque during the shift for smoothness and longevity. Many e-bike systems manage this electronically; rider technique still helps.

Are gearbox e-MTBs heavier?

They can be, depending on the system and battery size. But weight distribution often improves because mass is centralized and rear unsprung weight can be reduced compared to derailleur drivetrains.

Who should consider a gearbox e-MTB first?

High-mileage riders, wet-weather riders, and anyone tired of drivetrain wear are prime candidates. If you love the feel of a traditional derailleur and you’re meticulous about maintenance, you may feel less urgency to switch.

Note: Product links above are Amazon affiliate links in the format provided.