TanTan TT-X68
Frame

TanTan TT-X68

Weight878g
CategoryFrame

The TanTan TT-X68 offers exceptional value as a lightweight carbon road frame that closely mimics the Specialized Tarmac SL8, delivering 70-75% of the premium experience at a fraction of the cost, but requires careful assembly and quality control checks due to inconsistent manufacturing.

Pros

  • Excellent value for money compared to Western brands
  • Very comfortable ride quality, often more comfortable than genuine Tarmac SL8
  • Lightweight frame and overall build (7.1-7.6kg typical)
  • Good paint quality and custom paint options available

Cons

  • Inconsistent fork safety: early batches had lightweight forks (~330g) prone to failure, enhanced versions (~400g) recommended but supply inconsistent
  • Poor quality control: brake mounts and bottom bracket shells often not properly faced, requiring professional facing
  • Variable customer service: reports of wrong parts shipped, long delays, and difficulty resolving issues
  • Internal cable routing can be difficult with sharp carbon edges and poorly angled holes

Key Facts

  • Frame weight 878-895g (size 56 painted)
  • BSA threaded bottom bracket
  • T1000 carbon fiber construction

Reviews & Ratings

TanTan X68 - Is a CHEAP Frame and EXPENSIVE Components Enough?
00:15:06

The reviewer discusses the TanTan TT-X68 frame set, noting it's a budget-friendly alternative to the Tarmac SL8. He built it with premium components to test performance and found it comfortable, fast, and stable, though lacking in stiffness and with poor caliper mount finishing.

AI Summary

Pros

  • Very comfortable ride, more so than the genuine Tarmac SL8
  • Just as fast and stable in crosswinds as the Tarmac SL8
  • Good paint job and overall proportions
  • Easy build process with no stripped bolts
  • BSA bottom bracket area was good and compatible
  • Affordable at $600-$700 for the frame set
  • Provides about 70-75% of the Tarmac SL8 experience for a fraction of the price

Cons

  • Worst caliper mount and facing of any frame he has featured, requiring sanding and still causing disc rub
  • Lacks stiffness compared to premium frames like Tarmac SL8, Scott Foil RC Pro, Giant Propel, or Canyon Aeroad
  • Does not accelerate or respond out of the saddle as well as premium frames
  • Seat post required tighter torque (10 Nm) than specified (6.2 Nm)

Key Points

  • Frame set costs $600-$700 USD
  • Weight: 7.1 kg in size 56 with all components (bottle cage, computer mount, pedals, power meter, etc.)
  • Design is essentially a clone of the Tarmac SL8
  • Reviewer spec'd it with premium components (e.g., SRAM Force E1 groupset, Number Six 50-58 wheels, EXS cockpit) totaling about $5,000
  • Uses 28C tires with TPU inner tubes
  • Estimated to be 70-75% of the genuine Tarmac SL8 experience
TanTan X68 First Look - The ELEPHANT In The Room
00:23:28

The reviewer provides an unboxing and first look at the TanTan X68 frame set, which is a clone/homage of the Specialized Tarmac SL8. They discuss the price point of approximately $800-850 USD including custom paint and shipping, the weight of 895g for a painted size 56 frame, and the overall design which closely mimics the Tarmac SL8. The reviewer examines the frame's construction quality, hardware, and compatibility features, noting both positive aspects like good bottom bracket threading and concerning aspects like past reports of fork failures. They plan to build it with premium components to test its performance against the genuine Tarmac SL8.

AI Summary

Pros

  • Weight of 895g for painted size 56 frame is solid
  • Custom paint option available with nice finish
  • Good bottom bracket threading with no issues
  • Attention given to making brake caliper mounts flat
  • Headset bearing cups are clean with no sharp edges
  • Includes necessary hardware like Di2 battery holder and fork mount for 160mm rotor
  • Uses identical hardware to Tarmac SL8 in many areas
  • Price point is very low compared to Western brands

Cons

  • Headset bearings may not last long in wet conditions
  • Cheap alloy bolts are prone to stripping
  • Past reports of exploding forks due to lightweight construction
  • No installation instructions provided
  • Questionable warranty and aftermarket support
  • Morally controversial as a clone product
  • Seat post too narrow for Shimano Di2 battery
  • Paint durability over time is uncertain

Key Points

  • Clone/homage of Specialized Tarmac SL8
  • Price: $800-850 USD all-in with custom paint and shipping
  • Frame weight: 895g (size 56 painted)
  • Fork weight: 399g (uncut)
  • BSA bottom bracket
  • Uses Tarmac SL8-style hardware and mounting systems
  • Includes Di2 battery holder due to narrow seat post
  • Multiple bottle cage mount positions
  • Front derailleur hanger with internal routing for Di2
  • Tantan has rectified previous fork weight/strength issues
r/ChineseCarbon14 days ago
tantan seraph ttx68

The 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
  • Includes integrated cockpit (one-piece bar/stem)
  • Uses common BSA threaded bottom bracket for compatibility
  • No reported creaks or fitment issues
  • All-inclusive pricing with shipping and duties included
  • Comparable power meter performance to established brands (SRAM, Magene)
  • Quick acceleration due to low weight

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)
  • Some concerns about safety and quality control of knock-off frames
  • Aggressive geometry may not suit all riders
  • Mixed reliability reports on XCADEY power meter (one failure reported, but replaced under warranty)
  • Cable routing through integrated cockpit can be challenging

Key Points

  • Frame weight: 878g
  • Fork weight: 422g (uncut)
  • Total bike weight: 7.16kg (15.8 lb)
  • Total cost: $3,222
  • Frame material: T1000 carbon fiber
  • Bottom bracket: BSA threaded
  • Derailleur hanger: Tarmac SL8 compatible
  • Seat post minimum insertion: 100mm
  • Delivery time: ~5 weeks production + ~4 weeks shipping
  • Geometry based on Specialized Tarmac SL8
r/ChineseCarbon14 days ago
tantan seraph ttx68

A 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)
  • Lightweight at 7.57kg/16.7 lbs
  • Useful for others researching similar builds, as intended by the poster

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
  • Rear derailleur required adjustment by a local bike shop
  • Shipping took nearly two months (ordered Jan 8, delivered Mar 5)

Key Points

  • Frame: TanTan/Seraph TT-X68, 54cm chameleon white with 380x90mm handlebars
  • Groupset: Shimano Ultegra Di2 R8170
  • Wheelset: EliteWheels ENT 2.0 60mm deep
  • Total cost: $3,243 (including $2,191 for complete build without wheelset, plus shipping and additional parts)
  • Weight: 7.57kg/16.7 lbs with accessories
  • First ride: 43-mile night ride with FooChow, described as 'great'
r/ChineseCarbon14 days ago
just another tantan x68

A 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)
  • Improved climbing feel
  • Stiff frame
  • Successful DIY build satisfaction
  • Humorous 'S-WOKS' decal appreciated by community

Cons

  • Poor internal cable routing with sharp carbon edges
  • Uneven rear brake mount requiring sanding/adjustment
  • Seatpost slippage requiring excessive carbon paste
  • Front thru-axle loosening regularly (safety concern)
  • Quality control inconsistencies compared to other Chinese brands
  • Counterfeit branding concerns from some users

Key Points

  • Frame: TanTan TT-X68 (Chinese carbon)
  • Groupset: Shimano 105 Di2
  • Wheels: Elitewheels ent-disc 2.0 (60mm depth)
  • Tires: Continental GP5000
  • Saddle: Ryet ultimate carbon
  • Computer: Garmin Edge 540
  • Total cost: ~2200€
  • Weight: <7.5kg (size 56)
  • Mileage tested: 1500km
  • Frame size: 56 (rider height: 180cm)
Seraph Bikes Superlight 836g X68 - Alternative to SL8 Fakes?

The TanTan TT-X68 is a lightweight carbon road bike frame, a clone of the Specialized Tarmac SL8, sold by TanTan/Seraph via their websites or WhatsApp. It features a BSA threaded bottom bracket, integrated handlebar, and is designed for disc brakes with internal cable routing. The frame is noted for its low cost (around $700-$900 for frameset) and custom paint options. However, there are significant concerns about quality control, particularly regarding inconsistent fork weights and failures, with reports of some forks weighing around 330g (considered risky) and others around 400g (an 'enhanced' version). Other common issues include unfaced brake mounts and bottom bracket shells, paint overspray, and variable seatpost fit. New reports highlight difficulties with internal cable routing, especially on the left side of the cockpit, and seat tube irregularities that can prevent proper battery insertion for electronic groupsets. The supplied computer mount is often criticized for poor quality. Additionally, users report that the stock integrated handlebar feels soft and flexy ('noodly'), leading some to consider aftermarket replacements. Genuine SL8 seatposts are not compatible due to diameter differences, and aftermarket options may have fit issues or inferior clamps. Many users report good ride quality and value for money when the frame is built correctly, but experiences with customer service and manufacturing consistency are mixed.

AI Summary

Pros

  • Excellent value for money, offering a lightweight, aero-inspired carbon frame at a fraction of the cost of major brands.
  • Good ride quality; many users report it feels fast, responsive, and comparable to the original SL8 in terms of handling and comfort.
  • Wide range of custom paint and color options available through TanTan/Seraph.

Cons

  • Serious fork safety concerns: early batches had lightweight forks (~330g) prone to failure; later 'enhanced' versions (~400g) are recommended but supply is inconsistent.
  • Poor quality control on manufacturing details: brake mounts and bottom bracket shells often not properly faced, leading to brake alignment issues and potential creaking.
  • Variable customer service and communication; reports of wrong parts shipped, long delays, and difficulty resolving issues.
  • Internal routing can be difficult, especially on the left side of the cockpit, with reports of snagging, poorly angled holes, and broken routing tools.
  • Seat tube interior may have excess carbon layup or irregular shape, preventing proper battery insertion for electronic groupsets and potentially causing batteries to get stuck.
  • Supplied computer mount (Deemount) is often reported as low quality, with issues like screws loosening due to vibrations despite using threadlocker.
  • The stock integrated handlebar is reported to feel soft and 'noodly' with noticeable flex, leading some users to consider aftermarket replacements.
  • The supplied seatpost may have a larger diameter than genuine SL8 seatposts, causing compatibility issues with accessories like 3D-printed light mounts.

Key Points

  • BSA threaded bottom bracket
  • Integrated handlebar (Roval Rapide clone)
  • Disc brake only, flat mount
  • Internal cable routing
  • Reported max tire clearance: 32mm (may fit 34mm measured)
  • Geometry matches Specialized Tarmac SL8
  • Compatible with SL8 thru axles
  • Front brake requires supplied 140mm to 160mm adapter for 160mm rotors
  • Genuine SL8 seatposts are not compatible
  • Stock integrated handlebar reported to be flexible
Purchase

Where to Buy

TanTan Superlight 836g Disc Road Bike Frame TT-X68 BSA Bottom Bracket Max Tire 700*28C With Integrated Handlebar

TanTan Superlight 836g Disc Road Bike Frame TT-X68 BSA Bottom Bracket Max Tire 700*28C With Integrated Handlebar

tantanbikes.com
🇺🇸$609.00
Checked 4 days ago
TanTan Super light Disc road bicycle carbon frame Bike 700*32C Full Toray T1000 Flat mount brake frameset YS9448+YS3073 TT-X68

TanTan Super light Disc road bicycle carbon frame Bike 700*32C Full Toray T1000 Flat mount brake frameset YS9448+YS3073 TT-X68

tantanbikes.com
🇺🇸$799.00
Checked 14 days ago
TanTan Ultralight 836g disc brake road bike frame TT-X68 unpainted (BSA bottom bracket) – supports tires up to 700*32C.

TanTan Ultralight 836g disc brake road bike frame TT-X68 unpainted (BSA bottom bracket) – supports tires up to 700*32C.

tantanbikes.com
🇺🇸$529.00
Checked 14 days ago

TanTan Superlight carbon frame 836g Disc Road Bike Frame TT-X68 BSA Bottom Bracket Max Tire 700*28C With Integrated Handlebar

tantanbikes.com
🇺🇸$629.00
Checked 6 months ago
$529.00· 4 stores
View Deals

Specifications

Attributes

Frame TypeRoad
Frame MaterialCarbon
Brake MountFlat Mount Disc
Bottom BracketBSA Threaded
SeatpostProprietary
Front Axle12x100mm Thru-Axle
Rear Axle12x142mm Thru-Axle
Max Tire Width (mm)32
Headset Type1.5" Straight
Di2 CompatibleYes
Max Chainring Size
UDH CompatibleNo

Included Components

TanTan TT-X68
Frame
878g
Fork
Fork
390g
Seatpost
Seatpost
154g
Headset
Headset
Handlebar
Handlebar
356g
Total Weight1,778g

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