
TanTan TT-X68
FrameThe TanTan TT-X68 is a Chinese carbon road bike frame that closely resembles the Specialized Tarmac SL8. A user built one with Ultegra Di2, XCADEY power meter crankset, and EliteWheels, achieving a total weight of 7.16kg at a cost of $3,222. The frame quality, paint, and components were reported as good, with the bike being light, stiff, and quick to accelerate. Some concerns were raised about safety and quality control of knock-off frames, but the builder experienced no issues over several months of use.
AI Summary
Pros
- Lightweight frame (878g) and overall build (7.16kg)
- Aggressive race geometry for quick, responsive handling
- Good paint quality and overall frame finish
+6 more
Cons
- Limited seat post adjustment range (minimum insertion 100mm vs. Specialized's 75mm)
- No Universal Derailleur Hanger (UDH) support
- Long delivery time (approximately 2 months from order)
+4 more

ELVES Falath EVO+ Carbon Road Disc Framesets UCI Approved
FrameA user shares their experience with two ELVES Falath carbon road disc framesets - the EVO and EXP models. The EVO has been ridden extensively (12,000km) with positive feedback on stiffness, design, and value, while the EXP is newer and described as even stiffer with a compliant seat stay. Both frames allow for extensive customization and are UCI approved.
AI Summary
Pros
- Excellent value for money
- High stiffness-to-weight ratio
- Extensive customization options (colors, decals)
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Cons
- Susceptible to crosswinds due to side profile
- Not the lightest frames available
- Design of EXP model may not appeal to everyone
+1 more

LightCarbon LCG071-PRO
FrameA user shares their experience building a LightCarbon LCG071-PRO gravel bike, highlighting the custom ordering process via email, excellent build quality comparable to major brands, and challenges with assembly due to cable routing and integrated handlebar fit. The total cost for frameset and components from LightCarbon was $1,388, with an additional ~€2,500 for the groupset and other parts.
AI Summary
Pros
- Excellent build quality comparable to major brands like Giant
- Highly customizable ordering process via email
- Competitive pricing for carbon frameset and components
+4 more
Cons
- No traditional online shop for visual configuration
- Email-based ordering can be confusing without detailed tracking
- Integrated handlebar makes cable routing extremely difficult for mechanical groupsets
+3 more

Velobuild CX-002 Carbon Fiber Disc Brake CycloCross Frame
FrameA user built a Velobuild CX-002 carbon fiber disc brake cyclocross frame for under €2000, aiming for a cost-effective race bike with reliable parts. The build received positive feedback for its value, weight, and appearance, with the owner reporting good frame quality and ride feel.
AI Summary
Pros
- Cost-effective build under €2000
- Good frame quality and ride feel
- Reactive and helpful customer service from Velobuild
+3 more
Cons
- Stickers not perfectly aligned
- Owner has low confidence in crankset weight limit
- Average shifting performance with current cassette
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BXT 2025 New Carbon Zeitfahrrad Disc Triathlonfahrrad Carbon TT Bike 2
KompletträderA user reviewed the BXT 2025 Carbon TT Bike purchased from AliExpress, highlighting its performance, components, and minor quality issues after six months of use.
AI Summary
Pros
- Excellent aerodynamics on flat terrain, reaching 35-40 km/h easily
- Very stiff and responsive frame
- Genuine Shimano 105 Di2 R7170 groupset with smooth operation and good battery life
+4 more
Cons
- Discomfort on rough surfaces like cobblestones, attributed to rim profile
- Aero bottle leaked after two rides, making it unusable
- Poor-quality bolts on aerobars wear out quickly with frequent adjustments
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ICAN Cycling Flyee
FrameA user shares their experience with an ICAN/Triaero Flyee carbon road bike frame purchased from China, noting its good finish, quick delivery, and current setup weight of 7.6 kg, while discussing component choices and potential upgrades.
AI Summary
Pros
- Frame delivered with excellent finish and clean internal construction
- Caliper mounts were properly faced
- T47 bottom bracket threaded smoothly without issues
+4 more
Cons
- Mixed component groups (SRAM Red derailleur with Rival cranks) questioned by some
- Weight could be reduced with lighter components
- Chainstay clearance may limit tire size beyond 34c
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TanTan TT-X68
FrameA user shares their experience building a TanTan/Seraph TT-X68 road bike, detailing the complete build cost, components, and performance after the first ride. The post includes positive feedback on the bike's stiffness and responsiveness, but also mentions controversial decals that mimic a Specialized S-Works design, sparking debate in the comments about counterfeit branding versus 'inspired by' frames.
AI Summary
Pros
- Stiff and responsive ride quality
- Good value for money with high-end components like Ultegra Di2 R8170 groupset
- Positive customer service experience with TanTan (quick responses, helpful communication)
+2 more
Cons
- Controversial decals that mimic Specialized branding, seen as counterfeit by some commenters
- RideWrap application had bubbles (though not highly noticeable)
- Saddle caused discomfort, prompting a planned replacement
+2 more

BXT GRAVEL-135
FrameA user on r/ChineseCarbon shared their BXT GRAVEL-135 bike build, detailing components, assembly challenges, and cost. The frame is a BXT-135 in Sand Dune color, with mixed transmission parts and custom stickers.
AI Summary
Pros
- Affordable total cost (under 900€)
- Customizable with aftermarket stickers
- Direct purchase option via WhatsApp with potential savings
+1 more
Cons
- Difficult cable routing through the headset
- Potential water ingress issues due to fork holes
- Uncertainty about EU customs fees for international buyers
+1 more

TanTan TT912 UCI Certification Carbon Fiber Time Trial Triathlon Bicycle Frame
FrameA user on r/ChineseCarbon shares their custom-built Seraph TT912 time trial/triathlon bicycle, highlighting its components, performance, and community feedback.
AI Summary
Pros
- Uses a carbon fiber frame with UCI certification
- Features SRAM Rival AXS electronic shifting for precise gear changes
- Includes a power meter on the front chainring for performance tracking
+4 more
Cons
- Weight is relatively high at 10.4kg, partly due to the integrated cockpit
- Wheels could be lighter for improved performance
- Some may find the price high, though it includes premium components
+1 more

Thrust Full Carbon Road Frame Disc Brake Max 700*32C AERO Road Bicycle Frameset BSA Full Internal Cable With Handlebar DI2
FrameA user on r/ChineseCarbon shares their experience building a road bike using a Thrust Full Carbon Road Frame purchased from AliExpress, detailing components, costs, and challenges encountered during assembly.
AI Summary
Pros
- Affordable frame and components compared to branded alternatives
- Electronic shifting (DI2) described as 'bling' and 'totally worth it'
- Aero design with full internal cable routing
+2 more
Cons
- Difficulty verifying reliable sellers on AliExpress
- Challenges ensuring component compatibility
- Frame is unbranded/no-name, raising potential quality concerns
+2 more

Suraida New UD T1100 Carbon Gravel Frame 700*45C Full Hidden Cable Gravel Frameset Carbon Road Frame Bike 2026 Custom varnish
FrameA user built a gravel bike using the Suraida New UD T1100 carbon frame purchased from AliExpress, reporting excellent quality, clean manufacturing, and a high-quality paint job. The frame appears to be an open-mold design similar to the Pinarello Grevil, sparking discussion about Chinese carbon frames versus expensive mainstream brands.
AI Summary
Pros
- Excellent paint job quality
- Clean threads and bearing surfaces
- Easy self-assembly
+5 more
Cons
- Headset cap may have branding (potentially fake)
- Controversial as potential copy of Pinarello Grevil design
- Uncertain long-term durability compared to established brands
+1 more

BXT GRAVEL-135
FrameA user built a BXT 135 gravel bike using a Chinese carbon frame paired with Shimano GRX 820 components and Elitewheels SLR wheels, achieving a total weight of 9.9 kg at a cost of approximately €1900. The build required significant assembly effort including headset installation, cable routing, and brake bleeding.
AI Summary
Pros
- Lightweight at 9.9 kg including accessories
- Cost-effective build at around €1900
- High-quality Shimano GRX 820 drivetrain and brakes
+4 more
Cons
- Significant assembly time and trial-and-error required
- Reliance on low-cost Aliexpress parts for accessories
- Unclear long-term durability of frame and components
+2 more

TanTan TT-X68
FrameA user built a TanTan TT-X68 carbon road bike with Shimano 105 Di2 groupset and Elitewheels, reporting excellent performance gains over their previous aluminum bike but noting several quality control issues requiring fixes.
AI Summary
Pros
- Excellent performance-to-price ratio (comparable to bikes twice as expensive)
- Lightweight (under 7.5kg)
- Significant speed improvement (3.5km/h average gain on flats)
+4 more
Cons
- Poor internal cable routing with sharp carbon edges
- Uneven rear brake mount requiring sanding/adjustment
- Seatpost slippage requiring excessive carbon paste
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