BXT -TT-219 New Carbon Time Trial/Triathlon Bike Carbon Fiber Bikes Road Bike LTWOO ERX 24 Speeds TT Bicycle
BXT -TT-219 New Carbon Time Trial/Triathlon Bike Carbon Fiber Bikes Road Bike LTWOO ERX 24 Speeds TT Bicycle
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Shipping & Production Time
Shipping & Production Time
We ship BXT carbon frames and complete bikes worldwide. Shipping cost depends on the destination country, package weight and available logistics route.
3–9kg Package
Usually suitable for carbon frames, framesets and smaller bike packages.
Fixed shipping rate:
- USA / Canada: $160
- Europe: $120
- Southeast Asia: $55
- Australia / New Zealand: $160
10–15kg Package
Usually suitable for complete bikes or large parcels.
Fixed shipping rate:
- USA / Canada: $570
- Europe: $390
- Southeast Asia: $260
- Australia / New Zealand: $550
Estimated delivery time is usually 5–25 business days, depending on destination and shipping route.
For EU countries, we usually ship by DDP tax-inclusive special line, delivered by DPD. Buyers usually do not need to pay additional customs duties upon delivery. Estimated delivery time is 15–25 days.
If you receive a notification that your package has been shipped but cannot see tracking updates, please do not worry; the DPD tax-inclusive line often covers the final-mile delivery, meaning tracking updates will only appear after the package arrives locally and clears customs.
For the United States, we usually ship by FED tax-inclusive fast line. Buyers do not need to pay additional customs duties. Estimated delivery time is 5–7 days.
For Switzerland and Canada, we usually ship by UPS fast line. Estimated delivery time is 5–7 days.
BXT carbon frames are custom-made products. Standard production time is usually 15–30 days. Chameleon color may take longer, and ice-crack finish usually takes about 30–40 days.
If your country is not listed, or if you need a specific delivery deadline, please contact us before placing your order.
Payment Security
Payment Security
BXT currently accepts PayPal payments only.
All payments are securely processed through PayPal. We do not store your payment information on our website.
After payment is completed, you will receive an order confirmation email. If your payment fails or the order status is unclear, please contact us before placing a second order.
Warranty & After-Sales Support
Warranty & After-Sales Support
BXT provides after-sales support for carbon frames, framesets and complete bikes.
Each order is checked before shipping, including the frame surface, fork, seatpost, headset parts and included accessories. If you receive damaged goods, missing parts or a product issue caused by manufacturing, please contact us within 7 days after delivery with photos or videos.
Our support team can also help confirm frame size, groupset compatibility, bottom bracket type, brake mount, headset specification and tire clearance before you place an order.
Size Guide & Compatibility
Size Guide & Compatibility
Choosing the right size is important for comfort, handling and riding efficiency. If you are not sure which size to choose, please send us your height, inseam, riding style and current bike size. We can help recommend a suitable frame size.
Please also confirm component compatibility before ordering, including groupset type, bottom bracket standard, crankset, wheelset, thru-axle size, brake rotor size, tire clearance and electronic/mechanical shifting setup.
If you are planning a custom build, contact us before purchase so we can help reduce compatibility mistakes.
Custom Paint Notice
Custom Paint Notice
Most carbon frames are produced or finished after the order is confirmed. Standard production time is usually 15–25 days, depending on frame model, size, color and current production schedule.
Custom paint requires additional time. Chameleon paint, ice-crack finish, gradient colors, pearl colors and special logo designs may take longer because they require more painting and quality-check steps.
Custom paint may slightly increase frame weight compared with matte black or standard finishes. If your main goal is lightweight performance, we recommend choosing matte black.
For custom colors, please provide a Pantone color code or clear reference images. We will confirm the design details with you before production.

Production configuration
Frame set:
Frame:T1000 Carbon fiber frame
Fork:T700 Carbon fiber frontfork
Wheelset:Carbon Fiber 88mm Depth Wheel
Tire:700*28C
Drive system/TT Kit
Transmission:L-TWOO ERX TT SW-ERT1200 2X12speedWIRELESS ELECTRONIC CONTROLLER FOR TT
Brake Handle: L-TWO0 eRX ST-ERT1201 (TT Brake Handle)WIRELESS ELECTRONIC CONTROLLER FOR TT
Front Derailleur: L-TWOO eRX TT FD-ER1204
Rear Derailleur: L-TWOO eRX TT RD-ER1203
Roulette: SHIMANO 105 FC-R7100 (170mm)50-34T
Flywheel: SHIMANO 105 CS-R7101
Brakes:L-TWO0 TT Hydraulic Disc Brake (140mm)
Li-ion Battery:L-TWOO BT-ER02 (Rated capacity:800mAH 5.92Wh)
Assembly:
Shaft:2026 New TT Handlebars
Seattube:T700 Carbon fiber Seatpost
Cushion:TT Saddle





















Bought the TT219 frame and cockpit. Looks amazing. Missing (or misplaced) the fixing ring but BXT has been great in their communication and are shipping me the missing part. Will come back for a full review after I race it.
Fantastic frameset for incredible price. I finished the building and already did a few rides, it feels good quality and fast. I will consider buying maybe another BXT frame for road or gravel as well. Also customer support was good helping me out with the local delivery trouble (Belgium's DPD - from China to Europe went smooth 😄).
Except for the seat post that keeps coming down, bike is great!!
As you can see in my last E-mail, the TT-extensions can not be clamped tight on the handelbar. The wallthickness is different and one is to thin.
Now I have used my BXT TT bike for around 2 months and it has been great! Better than expected. The only small issue are that I wasn't able to get a mechanical front derailleur to work. As this was my first build I needed some help from the BXT support and it was always great! Fast and informative answers, very professional.
I am very happy and can only recommend BXT! Big thank you to the BXT team!