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Trifox X18
Frame

Trifox X18

Weight838g
Year2021
CategoryFrame

The Trifox X18 is a budget carbon frame that offers good ride quality and value, but it suffers from quality control issues and requires additional finishing work. Reviewers from Trace Velo and Dani’s Bike agree that it is a versatile all-rounder with clean aesthetics and comfortable compliance, but they caution about potential problems like loose derailleur hangers and brake mount misalignment, which may require DIY fixes.

Pros

  • Clean paint job with well-applied decals, not looking like a budget frame.1
  • Rides well: lightweight, comfortable, and compliant for long rides, with enough stiffness for speed.12
  • Internally clean with EPS molding, clean bonding areas, and well-aligned threads.1
  • Seat post does not slip and provides good compliance.12
  • Robust construction: survived a crash that bent the derailleur hanger without damaging the carbon.1
  • Versatile all-rounder geometry suitable for climbing, endurance, and aero riding.2
  • Good value for money, especially with included carbon bars and stem.1
  • Brake mounts and bearing seats are clean and well-finished.1

Cons

  • Quality control issues: front derailleur hanger came loose due to rivets over paint without epoxy, requiring repair.1
  • Rear brake mounts were not flat, causing disc brake rub; required shimming.1
  • Headset spacer rubbed against frame paint, requiring sanding.1
  • Rear triangle appears slightly too wide, causing dropout alignment slop.1
  • Customer service reportedly poor for minor issues, though responsive for major ones.1
  • Internal cable routing can be tricky during assembly.2
  • Stem walls are thick, making the handlebar/stem combo heavier than expected.1

Key Facts

  • Frame, fork, and seatpost weigh just over 1.5 kg (size 56).1
  • Price: $659 normally, $593 paid by reviewer (~£460); another source mentions under £450 including carbon bars and stem.1
  • Uses EPS molding technique for the front triangle and bonded construction.1
  • Open mold design shared with other brands (TFSA JH33, Dalia Rest2).1
  • Geometry similar to S-Works Tarmac SL7 but not identical, with a straight seat tube.1
  • BSA bottom bracket and fully internal cable routing.12
  • Handlebar/stem combo weighs 539 grams.1
  • Front derailleur hanger failure occurred after ~300 miles; three of four rivets came loose due to lack of epoxy bonding.1

Reviews & Ratings

Dani’s Bike
04:50
TRIFOX X18 OVER 1000 MILES OWNERSHIP REVIEW

The reviewer shares their experience with the Trifox Carbon Road Bike Frame X18 after over a year and thousands of miles of ownership. They describe it as an all-rounder frame suitable for various riding styles, with good compliance and versatility.

August 15, 2023Watch on YouTube
Trace Velo3 videos
16:56
TriFox X18, 6 months later - Is this Chinese frame even viable?

The reviewer tested the Trifox X18 carbon endurance frame for 6 months and approximately 1,000 miles. While he ultimately enjoys how it rides and finds it robust, he encountered multiple quality control issues requiring repairs and adjustments. He notes the brand competes on price rather than craftsmanship, and while the frame has good potential, buyers should expect to do additional finishing work themselves.

February 09, 2024Watch on YouTube
17:19
Giving TRIFOX a Second Chance - X18 budget carbon frame

The reviewer examines the Trifox X18 carbon road bike frame, noting significant improvements over the previous X16 model. He finds the frame visually appealing with clean paintwork, well-applied logos, and good external finishing. Internally, he praises the clean construction using EPS molding technique, which is unusual at this price point. While generally impressed, he mentions some minor concerns and plans to test problem areas in a future build video.

August 21, 2023Watch on YouTube
14:49
Problems after 300 miles - TriFox carbon bike frame

The reviewer discusses a Trifox X18 frame where the front derailleur hanger came loose after about 300 miles due to rivets failing. He contacted Trifox, who acknowledged the issue as rare and offered to cover repair costs. The reviewer identifies cost-cutting as the likely cause—the hanger was riveted over paint without epoxy bonding, unlike most manufacturers. He repairs it himself with epoxy and rivets, noting the fix is straightforward but requires time and tools. He mentions owning another Trifox frame with the same hanger design that has remained solid over 5,000–6,000 miles, but due to this and past issues with Trifox products, he is hesitant to recommend or try their frames again.

September 19, 2023Watch on YouTube
Codes from reviewers
Trace Velotrifoxbike.comTRACEVELO
Purchase

Where to Buy

$549.00· trifoxbike.com
View Deals

Specifications

Attributes

Frame TypeRoad
Frame MaterialCarbon
Brake MountFlat Mount Disc
Bottom BracketBSA Threaded
Seatpost
Front Axle12x100mm Thru-Axle
Rear Axle12x142mm Thru-Axle
Max Tire Width28 mm
Headset Type
Di2 CompatibleYes
Max Chainring Size
UDH Compatible
Includes CockpitYes
Stack : Reach1.35

Included Components

Trifox X18
Frame
838g
Carbon Fork FX18
Fork
384g
Carbon Seatpost SX18
Seatpost
182g
Carbon Drop Handlebar DHX18
Handlebar
Stem STX18
Stem
Headset
Headset
Total Weight1,404g

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