Amflow PR 2026 Geometry: 40 Configurations, One Carbon Frame

DJI, the company behind most of the world’s consumer drones, launched Amflow in late 2024 as its dedicated eMTB brand. The Amflow PL arrived first and earned praise for pairing the Avinox motor with a competitive trail chassis. The PR, released in April 2026, takes a different approach: a removable 800 Wh battery, a mullet wheel setup, and a geometry adjustment system that generates 40 distinct configurations from a single carbon frame. At $4,999 for the base model, it undercuts nearly every full-power eMTB on the market with comparable specs.

The geometry story here matters more than the price, though. Five head angle positions, four chainstay length options, and two bottom bracket heights let riders dial in everything from a slack, long-chainstay park setup to a steep, short-rear-end trail configuration. That kind of granularity is rare on any eMTB, let alone one under five grand.

How the 40-Configuration System Works

Most adjustable geometry systems give riders two or three options through a flip chip in the shock mount. The Amflow PR multiplies that concept across three independent pivot points.

Head angle adjustability comes from five interchangeable headset cups. The stock 64.5 degree head angle can shift in half-degree increments from 63.5 degrees (slacker) to 65.5 degrees (steeper). That 2-degree total range covers the gap between a slack enduro setup and an agile trail bike, all from the same frame.

Chainstay length adjusts through four positions at the Horst link pivot, ranging from 440 mm to 452 mm. The shortest setting tightens the rear end for quick handling on tight singletrack; the longest adds stability at speed and accommodates larger 29-inch rear wheels for riders who want to ditch the stock mullet setup.

Bottom bracket height toggles between 349 mm (low) and 353 mm (high) via the rocker link. The low setting drops the center of gravity for cornering grip; the high setting adds ground clearance for rocky, root-laced terrain.

Multiply 5 x 4 x 2, and you get 40 unique geometry configurations. In practice, E-MOUNTAINBIKE’s test team found the stock settings worked well for most riders, but the system proved straightforward to adjust trailside for those who wanted to experiment.

Full Geometry Chart (Stock Settings)

All measurements below reflect the default configuration: 64.5 degree head angle, 440 mm chainstay length, low bottom bracket position. The adjustable ranges noted in parentheses show the full span available.

What the Numbers Tell You on the Trail

The PR’s stock geometry sits squarely in the modern trail eMTB camp, with a few details that stand out.

Reach progression is generous. The 25 mm jumps between sizes (452 to 475 to 500 to 527) give riders clear separation when choosing a frame. The XL’s 500 mm reach paired with its 649 mm stack puts tall riders (6’0″ to 6’3″) in a comfortable, centered position. For context, the Specialized Levo 2026 offers 490 mm of reach in its S4 (roughly XL equivalent), while the Pivot Shuttle AMPD 2026 sits at 485 mm in XL. The PR gives taller riders more room.

The 64.5-degree head angle lands between the Levo’s 63.5 degrees and the Shuttle AMPD’s 65 degrees. It’s a deliberate middle ground: slack enough to handle steep descents without the sluggish low-speed steering that ultra-slack head angles create on eMTBs, where the extra motor weight amplifies front-end inertia. If 64.5 still feels too upright, the headset cups can take it down to 63.5 without aftermarket parts.

Chainstay length at 440 mm is notably short for a full-power eMTB, where 445 to 460 mm is typical. That short rear end keeps the bike playful and responsive in corners. Riders who want more stability at speed can extend to 452 mm, which is closer to conventional full-power eMTB territory. The Mondraker Zendit 2026, another Avinox-powered eMTB, runs fixed 445 mm chainstays; the PR’s adjustable range brackets that number entirely.

The mullet wheel setup (29-inch front, 27.5-inch rear) explains the dual BB drop figures. At 10.4 mm drop in the high position, the BB sits relatively high for a mullet eMTB, which keeps the cranks clear on rough terrain. The low position at 24.5 mm drop brings the center of gravity down noticeably. That 14 mm range is substantial; most flip-chip systems offer 6 to 8 mm of BB adjustment at best.

Effective seat tube angles range from 77 degrees on the M down to 76.6 on the XXL. These are steep, modern numbers that keep the rider’s weight centered over the bottom bracket during climbs. The Loam Wolf’s review described the PR’s climbing as “like a cheat code” on smoother terrain, and these steep seat angles are part of why.

Two Builds, Two Motors

Amflow offers the PR in two configurations that share the same frame but differ in motor and component spec.

PR Carbon ($4,999) runs the Avinox M2 motor with 125 Nm of torque and 1,100W peak power. The drivetrain is SRAM Eagle 12-speed, the fork is a Fox 36 AWL at 160 mm travel, and the rear shock provides 150 mm of travel through a 210 x 55 mm trunnion mount.

PR Carbon Pro ($6,799) upgrades to the Avinox M2S with 150 Nm and 1,500W peak. Suspension moves to Fox 38 Performance up front, and the cockpit and wheelset spec improves across the board.

Both builds share the 800 Wh removable battery (roughly 4 kg), and both accept an optional RS600 range extender that mounts externally to push total capacity to 1,400 Wh. The removable battery charges in approximately 6 hours with the standard charger or 2.4 hours with the fast charger.

For riders who already own Avinox-powered bikes, the motor comparison is straightforward: the M2 is the same unit in the Pivot Shuttle AMPD base builds, while the M2S matches what Mondraker and Pivot use in their top-tier spec. At $4,999, the base PR undercuts both Pivot models by roughly $4,000 to $6,000.

Suspension and Descending Character

The 150 mm rear / 160 mm front travel pairing positions the PR as a trail-to-all-mountain eMTB, not a full enduro machine. E-MOUNTAINBIKE’s testers praised the suspension as “plush and forgiving” through moderate terrain but noted that mid-stroke support could feel vague at higher speeds on steep, chunky descents. The Loam Wolf’s team echoed that assessment, suggesting the Fox AWL fork and stock shock are “sufficient but didn’t wow anyone.”

That’s the tradeoff at this price point. The $4,999 base model allocates most of its budget to the motor, battery, and frame; the suspension spec is functional rather than flagship. Riders who push hard on steep descents would benefit from upgrading the shock or stepping up to the Pro build. For trail-paced riding with occasional enduro sections, the stock setup performs well.

Size Recommendations

Amflow offers four sizes (M through XXL) with no S option, which limits the range for shorter riders.

Riders 5’7″ to 5’10”: Size M. The 452 mm reach is compact enough for nimble handling but not cramped. Consider extending the chainstays to 444 or 448 mm for added stability.

Riders 5’10” to 6’1″: Size L. The 475 mm reach is the sweet spot for this height range, with the stock 440 mm chainstay delivering a playful feel.

Riders 6’1″ to 6’4″: Size XL. At 500 mm reach and 649 mm stack, the XL provides genuine room for tall riders. From a 6’4″ perspective, this is where the PR starts to feel like it was designed for longer limbs rather than just scaled up.

Riders 6’4″ and above: Size XXL. The 527 mm reach is generous, and the 662 mm stack keeps the handlebar position comfortable without excessive spacers. If you’re over 6’5″, the PR’s XXL is one of the few eMTBs that won’t feel cramped.

The absence of a small size is worth noting. Riders under 5’7″ should look elsewhere; the M frame’s 405 mm seat tube and 782.5 mm standover may work for some, but the 452 mm reach could feel long for shorter proportions.

Where the PR Fits in the Amflow Lineup

Amflow currently sells three model lines: the PL, PX, and PR.

The PL is the integrated-battery trail bike with 150 mm travel and a clean silhouette. The PX is the longer-travel enduro platform with the same removable battery as the PR. The PR sits between them in travel but distinguishes itself through price and the 40-configuration geometry system.

In the broader eMTB market, the PR competes with bikes like the Specialized Levo, Canyon Spectral:ON, and Trek Rail. None of those offer anything close to 40 geometry configurations. The Specialized Levo’s SWAT system and the Trek Rail’s Mino Link each provide two positions; the PR’s granularity is in a different league entirely. Whether most riders need 40 options or just the right two is an open question, but the flexibility is undeniable.

Combined with the Avinox motor platform (which Pinkbike’s first look called out for its smooth power delivery) and a sub-$5,000 entry price, the PR represents the most aggressive value proposition in the full-power eMTB category for 2026. The geometry adjustability is the bonus that turns a good deal into a compelling one.

Ride character of the Amflow PR 2026

In size L, the Amflow PR 2026 pairs balanced 440 mm chainstays that keep it lively without feeling nervous; a slack 64.5° head angle that stays composed when it gets steep and fast; a moderate 475 mm reach; a higher bottom bracket (10 mm drop) for clearance and a livelier feel.

Those numbers describe how it steers and sits. How the suspension actually feels, small-bump sensitivity, mid-stroke support and bottom-out ramp, comes down to its leverage and anti-squat curves: see our MTB suspension kinematics guide, and put its geometry head-to-head with any other bike in the geometry comparison tool.