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The Flyxii FE-02 is a budget-friendly carbon gravel frameset purchased primarily through AliExpress, with prices ranging from $300-$483 shipped. It features a BSA bottom bracket, standard cable routing (not proprietary), and comes with frame, fork, axles, headset, spare hanger, and seatpost clamp. Users report it accommodates tires up to 700x50mm (approximately 52mm measured) or 650b x 54mm, with toe overlap noted as an issue especially with larger tires and 175mm cranks. The frame is described as durable and stable for gravel riding, though some note rear flex when pedaling out of the saddle. Builds commonly use components like LTwoo GR9 groupsets, Senicx cranksets, and various carbon parts from brands like Toseek and ZNIINO.
AI-Generated Forum Summary
Pros
- Budget-friendly price, often on sale for around $300-$350 shipped
- Durable frame construction with good build quality and no major issues reported over thousands of miles
- Good tire clearance up to 700x50mm or 650b x 54mm, suitable for varied terrain
- Standard cable routing (non-proprietary) makes maintenance and upgrades easier
- Stable geometry suitable for gravel riding without being too upright
Cons
- Toe overlap issue, especially with larger tires and 175mm cranks, problematic at low speeds
- Rear flex when pedaling out of the saddle, causing brake rub in some cases
- Thru axles require an 8mm allen wrench, which is uncommon and poorly designed with limited insertion depth
- Narrow chainstays can make internal cable routing tricky and prone to tools getting stuckReferences: #57485
- Some quality control issues with components like defective LTwoo shifters or dimpled stem faceplates
Key Points
- BSA bottom bracket (not press-fit)
- Standard cable routing
- Tire clearance: up to 700x50mm or 650b x 54mm
- Geometry similar to road bikes but stable for gravel
- Includes frame, fork, axles, headset, spare hanger, seatpost clamp
Frequently Asked Questions
What is the tire clearance and can it fit 29x2 or 2.2 tires?
Maximum clearance is around 700x50mm (measured ~52mm) or 650b x 54mm. 29x2 tires may fit but cause toe overlap and handling issues due to height; 2.2 tires might squeeze in the front but are not recommended for the rear.
How does the LTwoo GR9 groupset perform?
Mixed experiences: rear derailleur works well with good range, but shifters can be defective or require premium cables for better performance. Some users replaced them with GRX due to issues like dragging brakes or sloppy indexing.
What are the frame dimensions and sizing recommendations?
Flyxii does not provide height-based sizing; users recommend comparing geometry on Bike Insights or using existing bike measurements. A size 56 was used by one builder.
Can full cable housing be used instead of the provided tubing?
Yes, full outer housing is recommended over the provided tubing and cable stops for better shifting performance, based on experiences with similar frames.
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