It is fast, efficient and uncompromisingly reliable – not as a race bike in the narrow sense, but as a platform for bikepacking races, ultra‑endurance events and long self‑supported journeys where efficiency is the only currency that matters
Efficiency for the long game
The geometry of the Pasta Party is rooted in modern XC principles, but its intent goes far beyond short efforts. The riding position is forward and efficient without being aggressive, allowing you to settle into a sustainable rhythm hour after hour. Stability is prioritized over twitchiness, especially when fatigue, load and uneven surfaces start to compound.
This is a bike designed to keep speed without demanding constant correction. It holds a line, stays predictable and rewards smooth, steady input – exactly what matters when the ride doesn’t end at the finish tape.
In ultra‑endurance riding, efficiency and reliability overlap. Every watt saved, every distraction avoided, every mechanical risk eliminated adds up over time.
The Pasta Party embraces that logic. Clearance for larger tires allows you to tune comfort and traction for long days on mixed surfaces. Gravel roads, broken pavement and remote connectors are not treated as compromises, but as expected parts of the route.
Multiple bottle mounts support long water carries, race setups or self‑supported travel. Nothing about the frame assumes outside support – it is designed to function when you have to rely on your bike, not your options.
Purpose‑built construction
The tubing used for the Pasta Party is developed specifically for this platform. Diameters, wall thicknesses and profiles are chosen to strike a balance between low weight, efficient power transfer and long‑term durability under sustained load.
Ovalization of the top tube and parts of the seat tube improves responsiveness without introducing unnecessary harshness. The 44 mm head tube delivers precise steering with minimal weight penalty, while modern standards like the T47 bottom bracket ensure robustness and serviceability under race conditions.
Every design choice is evaluated through the lens of longevity, consistency and real‑world use.
Built by hand, built for responsibility
Every Pasta Party frame is built entirely in our own workshop in Saxony.
Design and construction are inseparable here. Tube selection, alignment, welding and finishing are carried out by the same hands that designed the frame. This direct responsibility shapes how we think about details, tolerances and long‑term reliability.
If a feature exists on the Pasta Party, it serves a clear purpose for long‑distance riding. If something is omitted, it’s because we are confident it adds nothing to the mission.
Proven beyond the workshop
The Pasta Party has proven itself in the environments it was built for: ultra‑endurance races, multi‑day bikepacking events and long self‑supported routes across continents.
It is quick when efficiency matters, calm when conditions deteriorate and predictable when decision‑making becomes harder. A bike that doesn’t demand attention, but quietly supports forward progress when it matters most.
An ultra‑distance‑ready bikepacking and endurance race frame, built for efficiency, reliability and riders who keep moving when others stop.
| Geometry | S | M | L | XL |
|---|---|---|---|---|
| ST Length (mm)* | 395 | 435 | 485 | 535 |
| TT Length (mm)** | 582 | 606 | 637 | 664 |
| Reach (mm) | 415 | 437 | 467 | 491 |
| Stack (mm) | 607 | 615 | 619 | 630 |
| HT Angle (°)*** | 66,6 | 66,6 | 66,6 | 66,6 |
| HT Length (mm) | 85 | 95 | 100 | 110 |
| ST Angle (°)**** | 74 | 74 | 74 | 74 |
| CS Length (mm) | 435 | 435 | 435 | 435 |
| BB Drop (mm) | 48 | 65 | 65 | 65 |
| Wheelbase (mm) | 1139 | 1164 | 1197 | 1225 |
| Fork Length (mm)***** | 520 | 520 | 520 | 520 |
| Fork Offset (mm) | 51 | 51 | 51 | 51 |
| Wheel Size | 29 | 29 | 29 | 29 |
| Max Seatpost Insertion (mm)****** | 185 | 215 | 265 | 315 |
* measured from the middle of the bottom bracket to the top of the seat tube
** measured horizontal
*** based on a 120 mm suspension fork
**** based on a 120 mm suspension fork
***** based on a 120 mm suspension fork
****** min seat post insertion is 120 mm
This is Sour Bicycles – Made in Germany
Our manufacturing represents the culmination of plans, chats with friends while out riding, and many late nights writing ideas down. Our on-shoring process, the project we started to make all our frames right here in Germany, one-by-one, by hand, in our own facilities is our biggest adventure yet.
It is by far the biggest step we’ve ever made as a company: moving 100% of our production to Saxony. We are so proud to be Made in Germany and will continue to grow the project in the coming years.
How we see Steel
At Sour, steel is not a stylistic choice.
It’s a design decision.
We use steel because it allows us to define frame behavior precisely — under load, over time, and across a wide range of riding conditions. Material choice, tube selection and heat treatment directly influence how a frame transfers forces, responds to repeated stress and ages through use.
