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Concerns over Subframe bolt upgrade

1759 Views 25 Replies 13 Participants Last post by  badlandstom
I've had a long hiatus from riding and recently have been making plans for long trips. To prepare, one thing I recently bought was the eagle mike drill through subframe bolt upgrade. I listened to T2Ws tutorial and in the comments noticed that there were some opinions concerning the potential drawbacks of drilling through the frame and I was wondering what everyone else's opinions on it were.

Is drilling through the subframe excessive? Would a simple replacement with better bolts do the same job? Anyone have tips on not screwing the drill portion up?

As you can see I have a lot of doubts.
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I'd rather enlarge two 30mm deep / 8mm holes to accept 10mm threads than continue to drill another 30mm of Solid Steel bar to 10mm ID hole, if not Totally necessary.
I know you would. ;)
@pdwestman's right, you know.
I was hoping to provoke the rant after all but .... šŸ¤·ā€ā™‚ļø

First no "Freakers" anymore now this...... 😢


šŸ˜†
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Thank you all for your thoughts! I think for now I'll do the bolt upgrade without drilling. Save the drilling for when I feel confident about it
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I did the drill through subframe kit.

Just because.
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Thank you all for your thoughts! I think for now I'll do the bolt upgrade without drilling. Save the drilling for when I feel confident about it
You’ll get no condemnation (or very little) for riding/modding your bike as you see fit! Gather data, decide, and whatever brings you the most smiles per mile and peace of mind, do it and ride on!!
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I've had a long hiatus from riding and recently have been making plans for long trips. To prepare, one thing I recently bought was the eagle mike drill through subframe bolt upgrade. I listened to T2Ws tutorial and in the comments noticed that there were some opinions concerning the potential drawbacks of drilling through the frame and I was wondering what everyone else's opinions on it were.

Is drilling through the subframe excessive? Would a simple replacement with better bolts do the same job? Anyone have tips on not screwing the drill portion up?

As you can see I have a lot of doubts.
I replaced my sub frame bolts on my Gen 1 becasue I broke a couple on the Gen 2 I had. I repalced all of the bolts with the exception that needed drilling. It was the night before leaving for the Idaho BDR trip this summer. I weight 200 lbs and carry another 35 - 40 in tools and camping gear. I've ridden some pretty technical stuff with this set up and never broke a bolt. Both front and rear suspension have been too. That's my experience and opinion but there are those on this site with a lot more experience and knowledge.
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