The Mondince FM326 is a Chinese open-mold carbon aero gravel frameset (with a related FM316 variant) whose buyers broadly agree on its strong value, aero looks, T47 threaded bottom bracket and internal storage, but disagree on finish quality and tire clearance. Forum and blog reports flag recurring QC issues — rough BB threads, storage leaks, paint coverage gaps and tight rear mud clearance — while a Reddit build reports a smooth, cheap purchase. No independent lab data exists, so all figures are owner-measured or claimed.
Pros
- Good value for money, especially with custom paint12
- Rides fast and compliant, feels like a road bike1
- Good paint quality with minimal orange peel compared to Western brands21
- Internal storage in frame21
- T47 threaded bottom bracket with 85.5mm width21
- UDH compatible, with standard derailleur hanger also included2
- Direct-mount brake inserts well integrated2
- Progressive geometry (long reach, steep seat tube) appreciated by some riders1
- Flip-chip fork option for adjustable offset1
- Good customer service from Mondince (Jack)1
- Smooth ordering process and good transit time3
- Significant savings from using spare parts3
Cons
- Quality control issues: rough BB threads, storage compartment leaks, seatpost wedge problems1
- Tire clearance is tight, especially in the rear; 50mm tires may rub in mud1
- Geometry charts have been incorrect and changed multiple times1
- Insufficient paint coverage in less accessible areas, especially on top of seat tube (pink color has poor coverage over black base)2
- Rough edges near front brake hose exit on fork (unpainted, likely from post-paint cleanup)2
- Minor imperfections around headset cup area and rear brake mount (unpainted areas, masking imperfections)2
- Slight orange peel texture visible at ideal angle2
- Aggressive reach may be too long for some riders, requiring very short stems1
- Low bottom bracket (85.5mm drop) leads to pedal strikes with 170mm cranks1
- Internal storage compartment is small and not waterproof1
Key Facts
- Frame weight ~1,210–1,343g (sizes S–L); fork ~410–473g1
- T47 threaded bottom bracket, 85.5mm shell width12
- Claimed 50mm tire clearance; measured chainstay width ~62mm allows up to ~54–55mm tires21
- Available with 395mm (FM316) or 420mm (FM326) axle-to-crown fork; some forks have a flip chip for 50/55mm offset1
- Seatpost diameter 27.2mm; headset IS52/IS52 standard1
- UDH compatible, with a standard derailleur hanger also included2
- Price roughly $450–$800 USD depending on paint and options; one buyer paid ~$612 including PayPal fee13
- Direct-mount brake standard with internal front-brake hose routing through the fork2
Reviews & Ratings
A Reddit discussion about a user's custom bike build using the Mondince FM326 frame, highlighting the use of spare parts, cost savings, and component choices.
AI Summary
Pros
- Aggressive and fast-looking build
- Significant savings from using spare parts
- Smooth ordering process and good transit time
more pros in the review
Key Points
- Frame cost approximately $612 including PayPal fee
- Frame color is basic black, raw carbon
- Build uses tubeless setup with Muc Off Big Bore Lite valves (60mm long)
more key points in the review
The reviewer examines the Mondince FM326 carbon gravel frame, highlighting its aero features, UDH compatibility, internal storage, T47 threaded bottom bracket, and claimed 50mm tire clearance. They note overall good build quality and paint for the price, but point out minor imperfections such as insufficient paint coverage in hard-to-reach areas, rough edges near the front brake hose exit, and slight orange peel texture. The frame is considered a good value with some compromises typical of Chinese open-mold frames.
The Mondince FM316/FM326 is an aero gravel frameset with progressive geometry, inspired by the Mondraker Arid. It features a T47 bottom bracket, internal storage, and is available with two fork options: a 395mm A-C (FM316) for a more aggressive, road-like feel, and a 420mm A-C (FM326) for a more relaxed, stable ride. The frame is praised for its aesthetics, compliance, and speed, but criticized for frequent geometry chart errors, tight tire clearance (max ~50-52mm measured), and quality control issues such as rough threads and storage compartment water ingress. Prices range from $450-$800 USD depending on paint and options.
AI Summary
Pros
- Excellent paint quality and customization options
- Good value for money, especially with custom paint
- Rides fast and compliant, feels like a road bike
more pros in the review
Cons
- Geometry charts have been incorrect and changed multiple times
- Tire clearance is tight, especially in the rear; 50mm tires may rub in mud
- Quality control issues: rough BB threads, storage compartment leaks, seatpost wedge problems
more cons in the review
Key Points
- Frame weight: ~1210-1343g (size S-L), fork weight: ~410-473g
- T47 bottom bracket, 85.5mm shell width
- Available with 395mm (FM316) or 420mm (FM326) A-C fork
more key points in the review
Where to Buy
Mondince FM326 T47 Carbon Frame | 420mm Fork | UDH | OEM Manufacturer
Specifications
Attributes
Included Components
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