Quote:
Originally Posted by Dead Man
Are you concerned with the screws pulling out, or something?
I'd put $100 on 4 faceplate screws having higher pullout strength than any part of the stem's sheer strength.
Screws are strong, with regard to shank direction loads.
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When open face stems were first introduced, many used a two bolt face plate. These were found to be prone to bolt failure, and if a single bolt failed, the handlebar completely detached from the stem (I witnessed several failures of this type). 4 bolt face plates are now the norm. Not only are these less likely to fail, but it requires a failure of at least two bolts before the handlebar detaches.