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Megamo Dx3 geometryMTB · 2027 · 3 sizes, from S to L

The Megamo Dx3 is a mtb bike available in 3 sizes, from S to L. Stack ranges from 600 to 619 mm and reach from 403 to 444 mm. Its geometry is tall and short, built for comfort. All sizes share 442 mm chainstays.

Stack600–619mm
Reach403–444mm
Head angle68.0–68.0°
Chainstay length442mm
Stable rear

What size Dx3 do I need?

Enter the stack and reach of a bike that fits you well and we will tell you which size is closest and how to set it up.

Compare on Fitbikefy →
SS 600 · R 403
MS 610 · R 420
LS 619 · R 444

Enter your stack and reach to see which size fits you best.

Geometry chart by size

Measurements in mm and degrees, as published by Megamo. The ones that matter most for choosing a size are in bold.

SizeSML
Stack600610619
Reach403420444
Head tube length95105115
Head angle68.0°68.0°68.0°
Chainstay length442442442
Wheelbase1,1061,1281,155
BB drop626262
Top tube (method not stated)575595621
Seat tube (method not stated)392432473
Seat angle (method not stated)74.0°74.0°74.0°

Source: Megamo official website · data from 11 Nov 2026.

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Megamo Dx3 2027

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Stack and reach of every size

Higher means a taller front end; further right means a longer reach. The blue dot is your search.

380390400410420430440450460470560580600620640660reach (mm) →↑ stack (mm)SML

Character of each size

Compared with other mtb bikes. Further right means more of that quality.

S
M
L
Positionracing → relaxed
Steeringcalm → quick
Pedallingrearward → forward
Bottom brackethigh → low
Wheelbaselively → planted
Rear endstable → agile

Bikes with similar geometry (size M)

The closest size of other mtb models, by stack and reach.

ModelΔ stackΔ reach
Wilier Triestina 101X · M2024±0 mm±0 mmCompare →
Megamo Natural · M2026−1 mm−1 mmCompare →
KTM Ultra · M2027+4 mm−1 mmCompare →
KTM Chicago · M2027+4 mm−1 mmCompare →
KTM Chicago Street · M2027+4 mm−1 mmCompare →
KTM Penny Lane · M2027+4 mm−1 mmCompare →
Dx3 or 101X? In size M they have exactly the same stack and reach (610 / 420 mm): the difference is in the frame and build, not the position.

Frequently asked questions

What size Dx3 do I need?

It depends on your position, not just your height. The most reliable way is to compare the stack and reach of a bike that fits you with those of each size (from 600/403 mm in size S to 619/444 mm in size L). The size finder on this page shows the closest size and the stem and spacers you would need.

What are the stack and reach of the Dx3 in size M?

Stack of 610 mm and reach of 420 mm.

Is the Dx3 a racing or an endurance bike?

Endurance. In size M its stack-to-reach ratio is at percentile 79 of mtb bikes: a tall, short position.

Does it have the same geometry as the 101X?

In size M, yes: same stack and reach. If one already fits you, the same size of the other will put you in the same position.