Cyclist at Arena Pruszków velodrome during an aerofitting session
Alone in Drag

Aerofitting

Aerodynamic testing at the Arena Pruszków velodrome. Real CdA data, measurable watt savings, a competitive edge from the start line.

BOOK A SESSION HOW IT WORKS
400+ aerofitting sessions
2 Olympic medals
Top 10 Ironman World Championships
~13% average CdA reduction
How it works

Four steps to a faster time

01

Sign up

Fill in the form. When a date becomes available (roughly once a month), you'll receive notice 3–4 weeks in advance.

02

Preparation

After confirmation, send photos of your bike and information about your race schedule. We'll prepare the right equipment and define the session goal.

03

Track session

2–3h of testing at Arena Pruszków. Every change measured in real-time. Bike adjustments possible on-site — most clients leave with a modified bike.

04

Report

A detailed report with results for every configuration tested, CdA values, and recommendations tailored to your race distance.

Case study

Data that changes results

-13%
CdA reduction

Equivalent of ~4.5 kg body weight on a ~3% gradient. On flat courses, closer to ~40 kg.

Maciej Bruździak — World Triathlon #46

Position, helmet and wheel optimization ahead of the 2025 season reduced CdA by 13%. Result: 3rd place at the World Cup in Korea — the first Polish podium in men's triathlon in 14 years. First Pole in the World Triathlon TOP 50 ranking in 13 years.

What the session includes

Everything you need

Arena Pruszków velodrome

Exclusive track booking. Controlled conditions, no wind — repeatability on par with a wind tunnel.

Real-time analysis

Live aerodynamic data after every pass. CdA and watt savings — the effect of each change, instantly.

On-site mechanic

A professional mechanic ready to make changes — wheel swaps, position adjustments, extension fitting.

Test equipment

Aero helmets, SaBRe wheels (VI.V, VIII, Disc), extensions, spacers — a wide range of equipment to test.

Results report

A detailed post-session report with results for every configuration tested, CdA values, and recommendations.

400+ sessions of experience

Trusted by Olympic medalists, Ironman athletes, and amateurs seeking a competitive edge.

Test equipment

Try before you buy

37
aero helmets
Specialized · Kask · Met · POC · Giro · Oakley · ABUS · SCOTT · HJC...
Specialized: Evade III (S, M), TT 5 (S)
Kask: Bambino Pro Evo Light (M), Mistral (M, L), Bambino (M), Beluga (M), Utopia (L)
Endura: D2Z Aeroswitch (M/L)
Met: Drone (M, L), Drone II, Codatronca (M, L)
POC: Procen (L), Tempor (L/XL)
Giro: Aerohead (M), Aerohead Ultimate (M), Aerohead II (M)
Lazer: Volante (M)
SweetProtection: Tucker (L), Redeemer V2i (L)
Ekoi: Veloce (M), PURE AERO (M)
Uvex: Race 8 (L)
HJC: AddWatt 1.5 (S)
Van Rysel: Xcr (L)
Rudy Project: Wing Dream (L)
Giant: Rivet TT (L)
ABUS: TimeShifter TT (L), GameChanger 2.0 MIPS (M)
SCOTT: Split MIPS (S/M)
Oakley: Velo TT (S/M), Velo Mach MIPS (M), Velo Stelvio Pro (M)
3
SaBRe wheel models
SaBRe VI.V — 60/50mm wheelset
SaBRe VIII — 88mm front
SaBRe Disc — full disc rear
Light SaBRe Disc — 910g rear
SaBRe VI.V SaBRe VIII SaBRe Disc
SaBRe VI.V: 60mm/50mm, 1386g, C-Bear Ceramic, Soul Kozak SP 2.0
SaBRe VIII: 88mm, 790g, C-Bear Ceramic, Pillar Wing 20
SaBRe Disc: Full disc, 1050g, Toray T700+T800 carbon
Light SaBRe Disc: Full disc, 910g, C-Bear Ceramic
SaBRe Wheels →
30+
aero accessories
FastTT · TriRig · Wove · Rule28 · Fusion · Huub · Nopinz...
Aero bars: FastTT 2.0 Triathlon (S/M/L), FastTT TT3 Time Trial, FastTT Adapters, FastTT Angle Riser / Extended, FastTT Tilt Adapter for Speedmax
Saddles: Wove M8, Wove V8, Wove Mags
Arm cups: TriRig Open Back, TriRig Closed Back, TriRig Open Back Ultimate Evo, TriRig Closed Back Ultimate Evo
BTA & Bottles: FastTT BTA Towers, FastTT Adjustable BTA Adapter, FastTT Tri BTA Bottle Aero Cone, TriRig BTA Elevator, TriRig Hydra Carbon Aero Bottle, TriRig Kappa Carbon Cage, TriRig Multi-bottle BTA Rail, TriRig Beta Bottle Carrier One, TriRig Polymount, TriRig Super-X Adaptor Plate
Visors: Kask Visor Aero 1.0 (M), Kask Visor Aero 2.0 (M)
Clothing & aero: Rule28 Aero Base Layer (M), Huub 3:sixteen Calf Guards (L), Fusion Calf Guards (L), Fusion Aero Socks, Fusion Aero Arms Covers, Aero Silca Socks, Huub Short Over Shoes Covers, Huub Aero Socks, Nopinz Hypersonic Overshoes Long
AiD Pro Team 2026

Athletes who trust us

Long Distance Team

Racing on SaBRe VIII + Disc

Marta Łagownik
Marta Łagownik
Triathlon — long distance
1st ETU Middle Distance 2024 & 2025. 2nd Worlds Long Distance 2024 & 2025. 1st Challenge Gran Canaria 2024 & 2025.
Robert Wilkowiecki
Robert Wilkowiecki
Triathlon — long distance
9th IM World Championships Nice 2023. 2nd IM Americas Championship Texas. 1st IM 70.3 Warsaw. 1st IM 70.3 Poznań.
Kacper Stępniak
Kacper Stępniak
Triathlon — long distance
2nd IM Florida. 14th IM World Championships Kona 2024 (debut). Polish record at IM & IM 70.3. 1st IM 70.3 Warsaw. 1st IM 70.3 Cracow.

Olympic Team

Racing on SaBRe VI.V

Paulina Klimas
Paulina Klimas
Triathlon — Olympic distance
1st Military World Championships 2022. 4th European Championships 2021 & 2024. Polish national team PZTri.
Maciej Bruździak
Maciej Bruździak
Triathlon — Olympic distance
3rd World Cup Korea 2025. 3rd Supertri E World Championship London 2025. Polish national team PZTri. Polish champion across 4 distances.
Jakub Gajda
Jakub Gajda
Triathlon — Olympic distance
3rd World Triathlon Cup Huatulco 2025. 1st European Cup Olsztyn (junior). 2nd Polish Championships 2025 (standard distance).

Olympic medalists

Daria Pikulik
Daria Pikulik
Silver, Track Cycling Omnium, Paris 2024
Władimir Semirunnij
Władimir Semirunnij
Silver, Speed Skating 10,000m, Milan 2026
AeroSensor Wove Soul Kozak Quintana Roo FastTT TriRig
From the sessions

This is what aerofitting looks like

Kolarz na torze Arena Pruszków Aerofitting — przejazd testowy z kołami SaBRe TT bike z kołem disc na torze SaBRe wheels — zakręt na welodromie Analiza danych w czasie rzeczywistym Kolarz w pozycji aero — motion blur Kolarz w pozycji aero z disc wheel Sesja aerofittingowa — tor Arena Pruszków Aerofitting — przejazd na torze Tor Arena Pruszków — pozycja aero Sesja na torze — sprint Tor Arena Pruszków — stanowisko pomiarowe
Pricing

Choose your format

Solo 2h
2 750 zł
net
+ 8% VAT

~9–10 test changes

Individually tailored approach. Position, helmet, and key equipment tested.

Book
Solo 3h
3 750 zł
net
+ 8% VAT

~14–15 test changes

Full optimization of position, equipment, and combinations. The most popular format.

Book
Pair 3h
2 750 zł
/ person net
+ 8% VAT

~11–12 changes per person

Two athletes, shared 3h session, lower price per person.

Book

Cancellation less than 14 days before the session — 25% cancellation fee applies.

FAQ

Frequently asked questions

Arrive with your own bike in full race configuration (shoes, race suit, helmet). Make sure the bike is in good working order. We'll send you a preparation checklist by email beforehand.
Yes, we test on your bike. That's essential — we want to optimize the exact configuration you race on.
Aero helmets from various manufacturers, SaBRe wheels (VI.V, VIII, Disc), aero extensions, spacers, various handlebar configurations. We'll send the full equipment list before your session.
A 2h session covers ~9–10 test changes — position, helmet, and key equipment. A 3h session is ~14–15 changes — full optimization of position, equipment, and combinations. The most popular format. For most athletes, 3h is the optimal choice.
You receive a detailed report with results for every tested configuration, CdA values, estimated time savings for your race distance, and specific recommendations.
Absolutely. Amateurs often have more optimization potential than professionals. Typical savings are 15–40W, which can translate to 10–30 minutes over an Ironman distance.

Ready for faster times?

Sign up for a session and find out how many watts you can save.

BOOK A SESSION

office@aloneindrag.com