Micro "beef tubes" (metal axle inserts)

Show original modifications and customizations that you've completed for the Losi Micro Rock Crawler (not pre-made hop-ups). Provide How To directions that can help others improve their rides.

Moderator: Mod Squad

Micro "beef tubes" (metal axle inserts)

Postby Andy » Thu Oct 06, 2016 9:37 am

Only spot of the micro crawler/trekker I have problems with is where the front c-hubs mount to the axle housing. The plastic is very thin, and after a lot of hard use they don't hold anymore and a bunch of play develops between the c-hub and axle. If you've had this problem or just want to bullet-proof your rig, this will help.

I used a 13mm long piece of 3/16" thick wall tubing.
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Ream out the center of the axle so the tube is a press fit. Be careful not to damage where the bearings sit.
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Use a vice or clamp to press it in.
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If you press the tube in far enough for the outer bearing to fit, the holes you'll need to drill are at the very end of the tube. To avoid this I used a bearing that is .5mm narrower. You could also use a micro t wheel bushing and file a bit off.
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Drill holes in stock location with a small (1mm-ish) bit. Or to clock hubs and spindles, file the tabs off and drill new holes. I tapped the holes with some cutting fluid and a fresh screw.
The screws will now bite into aluminum and plastic instead of just the plastic axle housing. Way more secure, no more wobble.
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Re: Micro "beef tubes" (metal axle inserts)

Postby joeyblaze » Thu Jan 26, 2017 2:06 pm

wow great mod and right up.... might have to try this...
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