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Messages - Ogie

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Component Deals & Selection / Re: Crankset for 73mm frame?
« on: October 02, 2024, 06:01:43 AM »
It is a Lauf Seigla.

Yes, I know there is a SRAM specific crankset for that which may be where I go, but I'm looking to understand what alternatives are out there.

Maybe the better question would have been - what alternatives are there for the SRAM DUB Wide Road crankset are out there?

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Looking for some help - I'm new to MTB/Gravel stuff so less familiar than in the road space.

I'm looking at a frame that has a 73mm Bottom Bracket and when I search the internet I think I'm see that this is a "MTB" sizing and that MTB cranks should work.

I'm well aware of the various options in the road space so not sure if I'm just not searching the right terms - and I know that the descriptions on Aliexpress can be light.

I've seen this that I'm guessing might work but no idea if 91.5-94.5mm is the correct dimension here.  Also seen what looks like the same cranks with different Q-factors so not clear if that is a typo or an actual difference in the arm shape (or something else)?

https://www.aliexpress.com/item/1005007392822975.html?spm=a2g0o.productlist.main.17.2d51pApHpApH9w&algo_pvid=92658a9a-059c-41ae-b62e-afd9bee49356&algo_exp_id=92658a9a-059c-41ae-b62e-afd9bee49356-8&pdp_npi=4%40dis%21GBP%21210.77%2193.10%21%21%211917.84%21847.18%21%40211b6c1717277825063711681e3320%2112000040561971882%21sea%21UK%210%21ABX&curPageLogUid=mrNWfQ3ksecL&utparam-url=scene%3Asearch%7Cquery_from%3A

Can anyone help with the above or point me to some resources so I can help myself?

3
Is there a hex key bolt holding the insert into the frame?  If so you might need to loosen that off, thread the thru axle in then re-tighten.

I managed to mess one up badly like this so don't try and force anything whatever you do.

4
I also see from their news feed that they have a different variation but I can't see it available on their site yet:

Now based on customer feedback, we have developed the LCG087-D based on the LCG073-D frame. The t is changed to the T47(85.5mm) Bottom bracket and the head tube angle is modified to 69.5°, and have added the design of fender and rack mounts.

https://www.lightcarbon.com/lightcarbon-in-china-cycle-2024-shanghai_n72

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