Rear axle dimensions? - Honda RC51 Forum : RC51 Motorcycle Forums
 
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post #1 of 7 (permalink) Old 04-30-2014, 10:40 PM Thread Starter
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Rear axle dimensions?

Anyone happen to know what size the rear axel is? a friend is looking to swap over the wheel on his blackbird to an sp2 wheel but doesnt know if it will fit. I'm too lazy to take the axle out of my RC so figured id ask someone on here who might already have the axle out of their bike!

Looking for length and diameter please.

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post #2 of 7 (permalink) Old 04-30-2014, 11:19 PM
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My axle is out, but will have to let you know tomorrow...unless someone beats me to it.

2001 SP1 (sold)
2004 SP2 (properly stored)
2012 Ruckus (stolen)
2015 Grom (under construction)

Weyrauch pronounced (Y Rock)...Rock for short.

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post #3 of 7 (permalink) Old 05-01-2014, 01:10 AM
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It's diameter is 25mm that's for sure.

As far as it's lehgth, I guess you need the distance between right under it's head on the left size up to where the bolt's threads starts.

Breaking that down means the thickness of (from left to right)

1) swingarm
+
2) wheel spacer L
+
3) Bearing
+
4) Wheel inner spacer
+
5) Bearing
+
6) wheel spacer
+
7) Caliper mount
+
8) Swingarm
+
9) 2-3mm freeplay

Right?

What diameter is the Blackbird's rear axle?


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post #4 of 7 (permalink) Old 05-01-2014, 08:33 AM
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Rear axle dimensions?

Not the best measurements...but my toolbox is lacking.
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Overall length was 14in or 355.6mm.

2001 SP1 (sold)
2004 SP2 (properly stored)
2012 Ruckus (stolen)
2015 Grom (under construction)

Weyrauch pronounced (Y Rock)...Rock for short.

Semper Fidelis

Last edited by weyrauchrc51; 05-01-2014 at 09:12 AM.
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post #5 of 7 (permalink) Old 05-01-2014, 06:54 PM Thread Starter
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awesome!! thank you so much!
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post #6 of 7 (permalink) Old 05-01-2014, 09:12 PM
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Rear axle dimensions?

Sorry for the upside down pictures...did it in a rush to work.

2001 SP1 (sold)
2004 SP2 (properly stored)
2012 Ruckus (stolen)
2015 Grom (under construction)

Weyrauch pronounced (Y Rock)...Rock for short.

Semper Fidelis
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post #7 of 7 (permalink) Old 05-01-2014, 09:42 PM
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Quote:
Originally Posted by MakisRC51 View Post
It's diameter is 25mm that's for sure.

As far as it's length, I guess you need the distance between right under it's head on the left size up to where the bolt's threads starts.
That would be 325mm to where the axle tapers down to the thread area, which is 22mm diameter.
The tapered area is 5mm wide, and the thread area is 20mm wide.
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