Doppler Road
The long game. Titanium soul with carbon ambition
Optimum control, no matter what
Whether you’re navigating city streets or tackling rough terrain, Spectre’s frame delivers top performance, while the wider tires offer more control – no matter where the road takes you.
Fully integrated cable routing
Every detail is crafted for perfection from every angle, from the sleek flattened top tube and signature rear monostay to the seamlessly integrated internal headset bearing.
Ultimate maneuverability
With its lower center of gravity, extended chainstays, and redesigned front fork trail, Spectre maintains stability through turns, delivering a more confident and composed ride.
Built for maximum comfort
Spectre includes a flattened top tube, a 27.2 mm seat tube, and a monostay, making it the perfect bike to comfortably enjoy all of your day-to-day activities.
The perfect complement to Spectre
Our curated selection of components is built with the best possible user experience in mind, with each part selected only after rigorous testing.
Stiff and explosive
Spectre's stiff and robust frame offers explosive acceleration by transferring the optimum amount of body power without losing energy.
Optimum control, no matter what
Whether you’re navigating city streets or tackling rough terrain, Spectre’s frame delivers top performance, while the wider tires offer more control – no matter where the road takes you.
Fully integrated cable routing
Every detail is crafted for perfection from every angle, from the sleek flattened top tube and signature rear monostay to the seamlessly integrated internal headset bearing.
Ultimate maneuverability
With its lower center of gravity, extended chainstays, and redesigned front fork trail, Spectre maintains stability through turns, delivering a more confident and composed ride.
Built for maximum comfort
Spectre includes a flattened top tube, a 27.2 mm seat tube, and a monostay, making it the perfect bike to comfortably enjoy all of your day-to-day activities.
The perfect complement to Spectre
Our curated selection of components is built with the best possible user experience in mind, with each part selected only after rigorous testing.
Stiff and explosive
Spectre's stiff and robust frame offers explosive acceleration by transferring the optimum amount of body power without losing energy.
The long game. Titanium soul with carbon ambition
Doppler Road is an endurance-focused road platform combining titanium and carbon. Designed for riders who prioritize comfort, stability, and long-distance performance. Titanium provides natural damping and durability. Carbon delivers precise handling and efficient power transfer. Handcrafted in Prague using Farfalla™ robotic filament-wound carbon tubes and hand-joined titanium sections. Fully custom geometry. Built in limited numbers.
A fully custom all-road bike, built in any size
Our team will contact you to refine the geometry, finishes, and build details. Your bike will be crafted in Prague in three months.
Configure from €8,990For those who
Ride long distances Value comfort and stability Prefer smooth, quiet ride feel Appreciate timeless materials and craftsmanship
Why Doppler Road
Titanium & carbon construction Natural vibration damping with precise handling. Endurance-focused geometry Stable and comfortable for long hours in the saddle. Smooth ride quality Reduced road noise and fatigue. Fully custom, any size Bespoke geometry built around each rider. Built to last Repairable construction designed for decades of riding. Crafted in Prague Built in limited numbers under strict quality standards, with dedicated aftercare.
Configure from €8,990The Ride
Calm and composed Smooth over rough pavement Stable at speed Predictable handling Efficient over long distances Doppler Road feels balanced, quiet, and enduring.
Technology & Construction
Titanium tubes Ultra High Modulus (UHM) carbon Farfalla™ robotic filament-wound tubes Hand-joined hybrid construction Fully custom geometry Repairable and refinishable frame Carbon sections are robotically wound, then hand-joined to titanium in Prague. This allows precise tuning of stiffness, compliance, and durability.
Configure from €8,9906.3–7.8 kg
Complete build weight
Titanium & carbon
Natural vibration absorption
32 mm
Tyre clearance
3 mo.
Crafted in Prague
What a custom frame gives you
Perfect fit Frame geometry built around your body proportions and flexibility. Better handling The bike behaves the way you expect — stable, predictable, and balanced. Efficient power transfer Your position allows you to put power into the pedals without fighting the bike. Real comfort Not softness. Natural position, even pressure distribution, no compensations. Long-term satisfaction A bike you won’t outgrow, replace, or need to “fix” with parts. Balanced visual proportions Correct stack and reach mean no spacers, clean silhouette, and a bike that looks as good as it rides.
Configure from €7,200Customization & Atelier
Doppler Road is available in full bespoke finishes. Through Festka Atelier, your frame can receive unique paintwork, surface treatments, and artist collaborations.
Explore AtelierTestimonials
"THE FESTKA SPECTRE IS AN ABSOLUTELY BRILLIANT BIKE. IT'S ONE OF THE MOST COMFORTABLE BIKES I'VE EVER RIDDEN."
Josh Ross
BOTTOM BRACKET SHELL
PF 86,5 / 41 mm
FORK
ENVE Integrated Road Disc
HEAD TUBE DIAMETER
44 mm
FRONT DERAILLEUR CLAMP
31,8 mm
SEATPOST DIAMETER
31,6 mm
SHIFTING
EPS, Di2, eTap
MAX TIRE CLEARANCE
32 mm (width as measured)
MAX SIZE OF ROTORS
140 mm rear, 160 mm front
WEIGHT
1150 g (size M, Core Raw design)
| Frame Size | XXS | XS | S | M | L | XL | XXL |
| Reach (A) | 357 | 370 | 374 | 386 | 390 | 399 | 414 |
| Stack (B) | 503 | 517 | 538 | 557 | 571 | 596 | 630 |
| Effective to tube (C) | 500 | 517 | 530 | 547 | 560 | 575 | 600 |
| Wheelbase (D) | 972 | 990 | 981 | 990 | 993 | 1005 | 1030 |
| Chainstays (E) | 406 | 406 | 410 | 410 | 410 | 410 | 410 |
| BB drop (F) | 72 | 72 | 72 | 72 | 72 | 72 | 72 |
| Seat tube angle (G) | 74,5° | 74,5° | 74° | 74° | 73,5° | 73,5° | 73,5° |
| Head tube angle (H) | 69,5° | 69,5° | 71,5° | 72,5° | 73° | 73,5° | 73,5° |
| Seat tube c-c (I) | 420 | 430 | 460 | 490 | 505 | 535 | 565 |
| Head tube lenght (J) | 102 | 116 | 128 | 145 | 158 | 182 | 217 |
| Bike standover height (K) | 723 | 734 | 759 | 783 | 797 | 824 | 855 |
| Trail (L) | 74 | 74 | 66 | 60 | 57 | 54 | 54 |
