Bike Fit Voucher
Price range: £75.00 through £195.00
Give the gift of optimised riding. A professional bike fit is the single best investment for comfort, power, and injury prevention. Choose your preferred variation: Basic for essential geometry changes, or Retül for sub-millimeter 3D motion analysis, available for both Road and TT/Triathlon bikes.
Description
Our professional bike fit services are tailored to every rider’s needs, from the casual weekend cyclist to the competitive triathlete. To ensure the recipient gets exactly what they need, please select the appropriate service from the options below.
Tiers of Service Explained:
Basic Road/TT Fit
Essential Comfort & Power. Focuses on fundamental adjustments (saddle height, setback, reach) using traditional tools and expert eye analysis. Ideal for new riders or those needing a quick check on a pain point.Expert Eye 2–3 Hours
Retül Road/TT Fit
Maximum Performance & Precision. Utilises the advanced Retül 3D Motion Capture System. This sub-millimeter data analysis is crucial for optimising aerodynamic positions (TT) or maximising power output (Road). 3D Retül Motion Capture 4–5 Hours
Selecting Your Variation:
Discipline: Choose Road for standard road, mountain, or gravel bikes, or TT/Triathlon for bikes with aero bars.
Technology: Choose Basic for fundamental geometry, or Retül for data-driven, 3D precision analysis.
This voucher is valid for 12 months and is the perfect gift to unlock a new level of cycling enjoyment and speed.
Free Delivery
On orders over £50
Free returns
Extended return period of 21 days
Secure Payments
Protected payments. 0% finance. Shop safe.
You get so much more than a bike when you choose Tri Harder
We're Specialists
We love talking about bikes and gear. Our experienced, dedicated in-house team is ready to help you find the perfect model and custom specification for your goals.

Bike Fit Service
A FREE, expert bike fit is included with every custom build. We ensure your geometry is perfect to prevent injuries, maximise power, and guarantee comfort from day one.

Cycle To Work Scheme
We accept all major Cycle to Work schemes, making your dream bike more affordable. Save up to 40% on your new custom build or complete bike purchase today.

Built, Checked, Tested
Every bike is meticulously built, tuned, and tested by our mechanic. Your bike is guaranteed to arrive perfectly set up and ready for your first ride.

Not sure which size wetsuit you need?
Choosing a size
Wetsuits are tricky to size correctly & can vary between manufacturer, so if you’re in any doubt, we are here to help. If you're local, we recommend popping in to see us and we are confident we will find the right wetsuit for you.
Find Your Perfect Fit
Wetsuit Sizing
How long is the voucher valid?
The voucher is valid for 12 months from the date of purchase. The recipient must book their appointment before the expiration date.
What is the difference between Basic and Retül?
Basic fits use expert observation and standard tools (2D). Retül fits use advanced 3D motion capture technology to precisely track joint angles and movement, ensuring a sub-millimeter accurate, data-backed position.
Can I upgrade the voucher later?
Yes. If you purchase a Basic Fit Voucher and the recipient decides they want the Retül Fit, the price difference can be paid at the time of booking.
What should the recipient bring to the session?
They should bring their bike, cycling kit (shorts/jersey), cycling shoes, and any components they are considering changing (e.g., saddles, stems). We carry a large range of options should we need them.





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