Megamo Pulse geometryRoad · 2027 · 5 sizes, from XS to XL
The Megamo Pulse is a road bike available in 5 sizes, from XS to XL. Stack ranges from 503 to 581 mm and reach from 373 to 402 mm. Its geometry is low and long, with a racing fit. All sizes share 410 mm chainstays.
What size Pulse 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.
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.
| Size | XS | S | M | L | XL |
|---|---|---|---|---|---|
| Stack | 503 | 518 | 538 | 557 | 581 |
| Reach | 373 | 378 | 383 | 392 | 402 |
| Head tube length | 95 | 111 | 128 | 148 | 173 |
| Head angle | 71.5° | 71.5° | 72.5° | 72.5° | 72.5° |
| Chainstay length | 410 | 410 | 410 | 410 | 410 |
| Wheelbase | 972 | 985 | 982 | 997 | 1,014 |
| BB drop | 77 | 77 | 75 | 75 | 75 |
| Top tube (method not stated) | 512 | 521 | 537 | 552 | 568 |
| Seat tube (method not stated) | 460 | 480 | 500 | 520 | 540 |
| Seat angle (method not stated) | 74.5° | 74.5° | 74.0° | 74.0° | 74.0° |
Source: Megamo official website · data from 11 Nov 2026. Spot a mistake?
Stack and reach of every size
Higher means a taller front end; further right means a longer reach. The blue dot is your search.
Character of each size
Compared with other road bikes. Further right means more of that quality.
Bikes with similar geometry (size M)
The closest size of other road models, by stack and reach.
Frequently asked questions
What size Pulse 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 503/373 mm in size XS to 581/402 mm in size XL). 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 Pulse in size M?
Stack of 538 mm and reach of 383 mm.
Is the Pulse a racing or an endurance bike?
Racing. In size M its stack-to-reach ratio is at percentile 28 of road bikes: a low, stretched position.