The TanTan/Seraph TT912 is a UCI-certified carbon fiber time trial/triathlon frame that offers a cost-effective, modern-looking alternative to premium brands, but is frequently accompanied by quality control issues and a relatively heavy build weight.
Pros
- Cost-effective alternative to high-end TT/triathlon bikes from major brands
- Modern, aggressive aesthetic with fat tube profiles
- Good tire clearance, capable of fitting up to 32 mm tires
- Includes useful storage features: top-tube mounts for bento box, internal triangle storage, and removable Di2 battery holder
Cons
- Quality control issues: scratches on delivery, missing screws, obstructed cable routing holes, and incorrect parts sent
- Persistent headset rocking/looseness issues requiring multiple adjustments and additional spacers
- Seatpost too long for some riders, requiring cutting, and saddle clamp prone to loosening
- Heavy overall build weight (e.g., 10.3-10.4 kg), partly due to integrated cockpit and components
Key Facts
- UCI-certified carbon fiber frame
- BB386-24 bottom bracket standard
- SRAM UDH-style derailleur hanger
Reviews & Ratings
A 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
- Has an integrated cockpit for aerodynamics
- Equipped with deep-section Elitewheels ENT 2.0 60mm wheels for speed
- Received positive community feedback on aesthetics and build quality
- Glossy British racing green finish praised for appearance
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
- Limited information on direct comparisons with similar frames like Velobuild TT 023
Key Points
- Frame: Seraph TT912, size 56, carbon fiber, UCI-certified
- Drivetrain: SRAM Rival AXS electronic shifting, 46T single front chainring with power meter, 10/36T rear cassette
- Wheels: Elitewheels ENT 2.0 60mm deep-section
- Cockpit: Integrated design with Winow armrests
- Weight: Approximately 10.4kg
- Color: Glossy British racing green
- Total cost: Approximately €3.4k, excluding second-hand saddle and pedals
The TanTan TT912 is a UCI-certified carbon fiber time trial/triathlon frame, described as a 2019/2020 disc-brake revision of an older rim-brake design with modern fat-tube aesthetics. Users report it's a cost-effective alternative to expensive brands like Canyon Speedmax or Cervelo P-Series, especially for self-builds. Key attributes include: price varies based on configuration (custom paint jobs cost extra, e.g., USD 280), frame weight around 1.6 kg (with accessories), total build weight approximately 10.3 kg with mechanical components, material is carbon fiber, standards include BB386-24 bottom bracket, SRAM UDH-style derailleur hanger, and clearance for up to 32 mm tires. It features storage options like a top-tube bento box mount and internal triangle storage, but quality control issues are common.
AI Summary
Pros
- Cost-effective alternative to high-end TT/triathlon bikes from major brands.
- Modern, aggressive aesthetic with fat tube profiles that look menacing and stylish.
- Good tire clearance, capable of fitting up to 32 mm tires, providing versatility.
- Includes useful storage features: top-tube mounts for bento box, internal triangle storage, and removable Di2 battery holder.
- Stiff and fast ride quality, offering performance gains compared to road bikes.
- Custom paint job options available with attractive finishes like glitter effects.
Cons
- Quality control issues: scratches on delivery, missing screws, obstructed cable routing holes, and incorrect parts sent.
- Persistent headset rocking/looseness issues requiring multiple adjustments and additional spacers.
- Seatpost too long for some riders, requiring cutting, and saddle clamp prone to loosening.
- Heavy overall build weight (e.g., 10.3 kg), partly due to lower-tier components.
- Limited cockpit customization from manufacturer; unwilling to add extra mounting points for accessories.
- Sketchy handling in crosswinds due to large tube profiles.
Key Points
- UCI-certified carbon fiber frame
- BB386-24 bottom bracket standard
- SRAM UDH-style derailleur hanger
- Clearance for up to 32 mm tires
- Internal storage triangle and top-tube mounts
- Removable Di2 battery holder
- Available in various sizes with custom paint options
- Compatible with mechanical and electronic groupsets
Where to Buy
Carbon Frame TT Bike Frame Aero Triathlon Bike Frameset Disc Brake Time Trial Bicycle BB386 T800 Track Frame YCT63120 TT912
Specifications
Attributes
Included Components
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