Cheap crash bars. - Wrist Twisters
  • 1 Post By KarlJay
  • 1 Post By mcromo44
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post #1 of 4 Old 01-13-2018, 02:04 PM Thread Starter
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Cheap crash bars.

I found some cheap crash bars if anyone is interested.

CB900 Engine Guards Bumper Buffer Highway Crash Bars Frame Protector for Honda CB 900 Hornet 900 919
(from AliExpress Android)

They seem to be a steel clone of the Goldmedal aluminium guard bars. Chinese made.
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post #2 of 4 Old 01-13-2018, 04:21 PM
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The real problem with those is that they attach to the engine. See the bold a bit forward of the bars, that's the frame. If that forward bolt went to the frame, it would be a LOT more effective. @ $119, I'd say they could have extended the front part to get to the frame.

Good find on on Alie, but not a good design.
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post #3 of 4 Old 01-13-2018, 06:39 PM Thread Starter
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Yeah. I wonder why they didn't mount to the frame.
Even the expensive goldmedal bars attach to the engine mount. The goldmedal bars are aluminium and probably would deform more easily in a crash and not transfer much shock?
They do have another two mount points to share the shock. So perhaps in this stype of crash bar that engine mount is OK?
I think I would prefer all frame mounts. Probably less vibration without an engine mount as well.

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post #4 of 4 Old 01-14-2018, 10:27 AM
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The 919's front engine mounting is not "fully stressed", as the forward engine mount tabs are NOT at all rigidly mounted. The frame extensions to the tabs easily allow for lateral flex, surely a design intent as there is plenty of room for a much more rigid design.
In my mind, knowing that, and being aware of some 919s with broken front engine tabs, screams out a warning not to use those tabs for slider mounts nor crash bar mounts.
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