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[spelunker]

I have a 2013 S.  What size socket do I need to get for the rear axle nut?

[BrianTRice@gmail.com]

I'm sure you have the manual, so I'll just make clear that it states the torque spec for the rear axle nut (75 ft lb = 20 Nm) but not the size. I haven't tried it myself (haven't needed to adjust the belt yet) but can find out this weekend.

[spelunker]

I called Zero.  They said, 27mm.

[dc5dd]

Just a question why is an American company using metric fasteners?

[Richard230]

And that 20 Nm figure is an error.  It should be 102 Nm.  I brought that to Zero's attention as soon as I finished proofreading the owner's manual.   

I think most American manufacturing companies have switched, or are switching, to metric fasteners.  They are a lot easier to buy when you source fasteners from China.   

[NoiseBoy]

Just a question why is an American company using metric fasteners?

Because imperial measurements are moronic?

[dc5dd]

Just a question why is an American company using metric fasteners?

Because imperial measurements are moronic?

Is that a question or a statement

[Richard230]

I still get my feet tangled up.  And I have no idea how to convert F to C, or mpg to liters per 100 km.     It would be nice if we were all on one system of measurements.  But then I would have to learn something new and you know what they say about old dogs.   

[dc5dd]

I still get my feet tangled up.  And I have no idea how to convert F to C, or mpg to liters per 100 km.     It would be nice if we were all on one system of measurements.  But then I would have to learn something new and you know what they say about old dogs.   

I agreed, I just always use google and the search engine just pops out with the conversion.  I always thought for Euro and Japanese they used metric and American and UK?? used imperial.  They should just switch to metric and get it over with!

[benswing]

Because imperial measurements are moronic?

Seconded!

[trikester]

I worked with bicycle parts and designs for quite a number of years before motorcycles and they were always metric. I got so used to that I started using metric fasteners in anything I design. When I go to get hardware I just always pass the SAE section and head directly for the metric. I find the diameters and thread sizes easier to work with.

When I got my 2010 DS I was upset with Zero's design because everything was metric except the motor mount bolts. I stripped out a couple socket head bolts because I used metric "Allen" wrenches. I had to drill the bolts and take them out with an easy-out. Zero told me, when I complained, that the only way the motor was available was with SAE threaded holes. Many US component manufactures these days will either supply their components with metric mounting only or a choice to the OEM of metric or SAE.

Trikester

[BSDThw]

I go with Trikester,

it is easier to use metric and I think the standard thread pitch of metrics is "tighter".

The only pity I see is losing the "feeling" for SAE! I guess you will have a native understanding for fractions - most mechanics "feel" which fraction is bigger because they have their tools in mind - I have to calculate with some of the fractions