Sierra Bicycle Supply

Motion Capture Bike Fit - 3D TT
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Sierra Bicycle Supply
Experience a precision-tailored bike fit designed to elevate your comfort, power, and performance.
Our Motion Capture Bike Fit service blends cutting-edge technology with a deep understanding of human biomechanics. Whether you're a competitive athlete or a passionate recreational rider, our 2D and 3D fitting sessions are customized to meet your unique goals, body mechanics, and riding history.
We begin each fit by taking the time to understand your personal aspirations, current training, injury history, and off-bike physical presentation. This holistic approach allows us to tailor the fit to your specific range of motion, flexibility, and biomechanical profile—resulting in a position that maximizes efficiency without compromising comfort.
We go beyond the bike with personalized guidance on off-bike exercises to improve strength, flexibility, and neuromuscular coordination—because an exceptional fit starts with your body, not just your equipment.
| Feature | 2D SIMI Motion Fit | 3D SIMI Motion Fit |
|---|---|---|
| Efficient pedaling biomechanics & technique education | ✅ | ✅ |
| 20-point physical & flexibility assessment | ✅ | ✅ |
| Fit tailored to personal biomechanics and limitations | ✅ | ✅ |
| Balance of comfort, power output & aerodynamics | ✅ | ✅ |
| Advanced cleat, saddle & handlebar positioning | ✅ | ✅ |
| Arch support & stance width adjustments guidance | ✅ | ✅ |
| Positioning for medical issues (e.g. arthritis, back pain) | ✅ | ✅ |
| SIMI Motion Capture video analysis (side & frontal view) | ✅ | ✅ |
| Flexibility, strength & activation strategies to enhance fit | ✅ | ✅ |
| Pre/post fit report with video (side view) | ✅ | ✅ |
| Pre/post fit report with video (sagittal & posterior views) | ❌ | ✅ |
| Identification of underlying causes of pain/injury | ❌ | ✅ |
Ready to ride stronger, more comfortably, and with greater confidence?
Book your Motion Capture Bike Fit today and feel the difference that a truly individualized fit can make.
Join our list. We’ll email your code and auto-apply it to your cart. *Discount taken at checkout. Cannot be combined with select price-restricted items. See cart for details. Bikes and sale items are excluded.
from the color to the style and the fit! Perfect!
The S-Works Prevail 3 is one of the most comfortable bike helmets I’ve worn. The fit system adjusts perfectly, and once I ratchet the MIPS cradle to my head, the helmet almost disappears — it conforms so well that I barely notice I’m wearing it.
Ventilation is excellent. Riding in moderate weather around the mid-70s, my head stayed cool and comfortable without overheating. The airflow design really works.
Thankfully, I haven’t had to test the helmet in a crash, and I hope I never do. But the build quality and design give me a lot of confidence in the protection it offers. Highly recommended.
Very impressed by the whole experience with Sierra Bicycle Supply! The frameset was just as shown - brand new and gorgeous. It shipped fast with tracking info. Great pricing on the frameset and I picked up other stuff for my build. Great overall experience - highly recommended!!
Amazing bike at super price. Free shipping. Highly recommend buying from these guys.
Here is how I am using it.
- Customizable displays for ...
- Heart Rate Sensor
- Garmin Pedal Power Meters
- Lights control
- Cadence Sensor
- Speed Sensor
- DOES NOT WORK WITH SAMSUNG WATCH 8 CLASSIC
- Records Route Creation but need to be careful with saving rides as not doing two rides back to back = lost
- does not come with a one hundred twenty page manual.But I was able to find a pdf file online
I have had gatorskin tires for several years. They are by far the best tire.
Nice and light but plenty stiff. Great for all around riding on my Epic Evo.
The product was delivered as stated!
Never received the product. When I reached out I was told "well it shows delivered". They did say the would follow up with USPS but its been almost two weeks with no follow up.