Mondince FM356 61mm tire clearance

Started by AngryBear, May 08, 2026, 03:22:36 PM

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Madriles_6

Quote from: Aerosoul on October 08, 2026, 06:43:53 AM
My FM356 is way out of tolerance and the direct mount transmission wouldn't fit. I've asked Jack to replace the frame but he's trying to fob me off with a small £100 refund. Alternative is to charge back with my bank but I don't want to do this yet.

Were you able to finally fit the transmission?
I've ordered this frame to TanTan in Sep 22th, waiting for it to be shipped. Will post here the process! :)

illi

Got my Mondince frame last week, now it's waiting for test ride (and one bearing from Jack). I have S size, toe overlap... Hmmm, took couple rides around the block and in tight slow turns flipflops hit front tyre. Hopefully with proper shoes it's better. At 170cm short cannot get much bigger frame anyway.

Jarkko2410

I'm 170cm and driving size M
80mm stem
Feels good. French style build for long distance riding ( saddle / handlebar same height )

xcelrec

Quote from: Er7ik on October 02, 2026, 05:29:03 AMBeen following this thread while building my FM356, so here's mine. It's my
dedicated rough-gravel rig (fast-road duties live on another
bike), so the priorities were tyre clearance and high stack.

Spec
- Frame: Mondince FM356, size L. Mondince headset with their integrated
  cable routing - the included C-ring is actually really good.
- Drivetrain: SRAM 1x13 mix - Force crank (165 mm) + Force 10-46 cassette,
  Rival XPLR AXS derailleur, Rival levers/brakes.
- Chainring: 38T Alugear oval
- Wheels: Elite Wheels Gravel Aero+ (32 mm internal)
- Tyres: Specialized Pathfinder Pro 2.2, tubeless - a true 56 mm WAM on the
  32 mm rims
- Cockpit: Deda 90 mm alloy stem + PRO 44 cm alloy ergo bar (two-piece for now
  while I dial in the fit)
- Rotors: IIIPro rotors 180/180 - brake performance is not diffrent to 160mm rotors
- Seatpost: Mondince 20 mm offset
- Weight: 9.2 kg ready to ride (pedals + bottle cages)

A few build notes
- Up top the clearance is great - 56 mm tyres with 10mm room to frame. But chainring
  clearance to the chainstay is tight: I went 38T partly for the gearing, but
  anything over ~44T would want less than the usual ~6.5 mm offset to clear,
  especially with the SRAM DUB XPLR Wide crank. Worth checking before going big
  up front.
- Minor gripe: there are almost too many mounts - three bolts around the fork
  crown just for a mudguard feels like overkill.

Ride impressions: versatile and comfortable - the big Pathfinders float over
loose gravel without feeling draggy on tarmac, and the 1x13 range covers
everything. But it feels kinda slow: Been on the Tideace GV201 before, and this was quicker.
(Attatched photo with Schwalbe G-One R Pro 50mm, 53mm WAM)


Color looks familiar 😄. Looking good with the silver chainring.

mystery74

I was wondering if anyone who has gotten on has any feedback on the BB height when running narrower tyres around 40MM.  I know it is designed for wider, but thinking around running two sets of tyres, one for raod and one set for Gravel

Madriles_6

I've just received my Tantan GR356 size M. Painted UD Glossy.

I'm willing to use it at gravel events and some ultra. I am a little bit concerned about bottle mounts position.

Apparent build quality is good enough. T-type is allowed since the thickness is 12.5mm.


QC issues: front axle thread is out of spec, it does not pass through the wheel.




I'll try to keep posting.

Kostagarnix

TanTan GR356 / Mondince FM356 / Seraph CR356: Required Flat Mount bolt lengths?

First post here. I'm planning to build a TanTan GR356 (size M) equipped with Seraph carbon wheels (35mm depth, 30mm internal width) and a SRAM Force AXS / GX AXS mullet drivetrain. Just waiting for shipment.

Since the manufacturer does not have the exact specifications on record, I need the frame measurements to order the correct M5 bolts for the SRAM brake calipers with 160 mm rotors (SRAM requires 5-7 mm thread protrusion).

Could any owner of a GR356, Mondince FM356, or Seraph CR356 share the following details:

Front fork flat mount thickness (mm)

Rear chainstay flat mount thickness (mm)

Alternatively: The exact front and rear M5 bolt lengths you successfully used for SRAM Setup with adaptor and 160 mm rotor setup?

Many thanks!