Long Teng / Mondince aero frame FM126

[Leon1234]

More pictures and review tomorrow or on Friday.

Are those the bar and spacers from mondice? The lowest spacer looks really tall compared to the others?

[BeR]

Are those the bar and spacers from mondice? The lowest spacer looks really tall compared to the others?

The handlebar and the spacers come from SP-cycle.

[Leon1234]

The handlebar and the spacers come from SP-cycle.

Is the gap between the fork and the headtube with the crown race sitting directly on the bottom on the fork? That looks quite big.

[bigApple]

I measured the bearing seats on the frame, and they match the specifications in the FSA manual for integrated headsets exactly. According to that, the gap between the headset and the frame should be less than 1 mm. I think Mondince completely messed up the fork crown. They should have just chosen a cone integrated into the fork, like every other manufacturer. I’ve now ordered an FSA ACR headset and will see if it improves the situation.

[BeR]

Is the gap between the fork and the headtube with the crown race sitting directly on the bottom on the fork? That looks quite big.

Yes with a 7 mm height bearing.

[Leon1234]

I measured the bearing seats on the frame, and they match the specifications in the FSA manual for integrated headsets exactly. According to that, the gap between the headset and the frame should be less than 1 mm. I think Mondince completely messed up the fork crown. They should have just chosen a cone integrated into the fork, like every other manufacturer. I’ve now ordered an FSA ACR headset and will see if it improves the situation.

Depends on what mondice messed up. If they only messed up the crown race ring then that could help. If the fork itself is the problem then it wont help the situation if i understand it correctly. Has anyone asked mondice about it?

[BeR]

Depends on what mondice messed up. If they only messed up the crown race ring then that could help. If the fork itself is the problem then it wont help the situation if i understand it correctly. Has anyone asked mondice about it?

Try to install a 6,5 mm height bearing instead of 7 mm.

[Leon1234]

Try to install a 6,5 mm height bearing instead of 7 mm.

I dont have the bike but i am / was quite interested. But as of now it does not look that good.

[Tpower59]

The handlebar and the spacers come from SP-cycle.

What is the weight of your build ? And size ?

[BeR]

What is the weight of your build ? And size ?

Frame (white, SL size 54, the heaviest finish) with thru-axles, derailleur hangers, bolts...: 1172 g

Uncut fork: 549 g

[Freddy__HH]

As of now, I am kinda glad I did not wait for the FM126 and went with another frame instead...

[pscrs]

Regarding peoples concern with the crown race and fork shape. I don't think that this fork has in integrated crown race but that lip is an error. Those who have frames in hand i think should let Jack know of this error see if there's any recourse for a redesigned fork that either has a  proper integrated crown race or has a flat transition. I don't have my frame yet however I think may approach will be to machine a new crown race that adds minimal stack and has a relief in the back to bypass that horrible steerer to crown transition.

[Leon1234]

Regarding peoples concern with the crown race and fork shape. I don't think that this fork has in integrated crown race but that lip is an error. Those who have frames in hand i think should let Jack know of this error see if there's any recourse for a redesigned fork that either has a  proper integrated crown race or has a flat transition. I don't have my frame yet however I think may approach will be to machine a new crown race that adds minimal stack and has a relief in the back to bypass that horrible steerer to crown transition.

Yes they probably have some manufacturing error. That gap does not look proper. I am not sure why they would even choose this route.

[pscrs]

Yes they probably have some manufacturing error. That gap does not look proper. I am not sure why they would even choose this route.

How they missed this is bit of mystery to me surely someone tried to dry fit all of this at some point, less than ideal. I just hope that the lip is  small enough such that there is enough space to machine in the relief on the back side of the crown race. I cant say im wild about removing material to shape this fork to properly accept a crown race.
My brother works carbon fibre manufacturing ill get his opinion on viable approaches.

[Leon1234]

How they missed this is bit of mystery to me surely someone tried to dry fit all of this at some point, less than ideal. I just hope that the lip is  small enough such that there is enough space to machine in the relief on the back side of the crown race. I cant say im wild about removing material to shape this fork to properly accept a crown race.
My brother works carbon fibre manufacturing ill get his opinion on viable approaches.

Yes that does not make sense to me as well. If only one person has the problem i would say its just an error but this looks like something is fundamentally wrong with their design. Someone should definitely contact them. Maybe they can offer a replacement fork (if they overhaul their product).