JAVA J-AIR VEGA TT Time trial Bike
JAVA J-AIR VEGA TT Time trial Bike
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J-AIR VEGA TT
The J-AIR VEGA TT is engineered for pure speed. Built around a UCI-certified time trial carbon platform, this model combines advanced aerodynamics, elite electronic shifting, and deep-section carbon wheels to deliver uncompromising race-day performance.
Key Features
Full Carbon Aero Build
Crafted from high-modulus carbon fiber for both frame and fork, delivering exceptional stiffness, lightweight performance, and aerodynamic efficiency.
Aggressive Time Trial Geometry
Sharp wind-cutting lines and integrated aero shaping maximize speed while minimizing drag across flat-out efforts and long solo rides.
Electronic 12-Speed Precision
Equipped with the latest L-TWOO ER9 electronic shifting system, ensuring lightning-fast, smooth, and accurate gear transitions under high pressure.
UCI-Certified TT Frame
Officially approved for international racing competitions, meeting global time trial standards.
Premium Aero Wheel Setup
Decaf 88mm carbon front wheel paired with Decaf full disc carbon rear wheel enhances aerodynamic advantage and high-speed stability.
Performance-Driven Components
Includes VEGA carbon seatpost, TT aero handlebar system, and a FIZIK performance saddle for optimal comfort and efficient power transfer during long-distance time trials.
Specifications
Frame & Fork
Wheelset
Drivetrain
Brakes
Components

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Check your Bike Size
Find Your Perfect Fit
Choosing the right bike size is crucial for comfort and performance. Use this guide to find your ideal fit.
Road Bikes
| Height | Frame Size |
|---|---|
| 5'0" - 5'3" (152-160cm) | 47-49cm (XS) |
| 5'3" - 5'6" (160-168cm) | 50-52cm (S) |
| 5'6" - 5'9" (168-175cm) | 53-55cm (M) |
| 5'9" - 6'0" (175-183cm) | 56-58cm (L) |
| 6'0" - 6'3" (183-191cm) | 59-61cm (XL) |
| 6'3"+ (191cm+) | 62cm+ (XXL) |
Mountain Bikes
| Height | Frame Size |
|---|---|
| 5'0" - 5'4" (152-163cm) | 13-14" (XS) |
| 5'4" - 5'8" (163-173cm) | 15-16" (S) |
| 5'8" - 6'0" (173-183cm) | 17-18" (M) |
| 6'0" - 6'2" (183-188cm) | 19-20" (L) |
| 6'2"+ (188cm+) | 21"+ (XL) |
Need Help?
Still unsure about sizing? Contact our team for personalized recommendations.