Custom Bicycle rack - rear mount - Mazda 6 Forums : Mazda 6 Forum / Mazda Atenza Forum
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post #1 of 7 (permalink) Old 04-13-2017, 11:58 AM Thread Starter
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Custom Bicycle rack - rear mount

I had a roof mounted bike rack system on my 6, but I thought it took away from the looks of the car. I decided to figure out a way to take advantage of the stock tow hook mounts in the rear. They are 28" apart.. very close to the 27" spacing of the roof mounted bar positions. There was absolutely no support online trying to figure out the bolt and thread spacing of the tow hooks.

I can definitively tell that they are 20mm bolts with 2.5mm thread pitch spacing.

After a ton of searching, I found a class 12.9 bolt with these specs in a 400mm length. About 16". With a clean 17mm Allen key head and the perfect amount of thread for this application. They were not cheap! About $74 for the two bolts shipped to my house, but worth every penny. I got them from a site called McMaster Carr. They have a great app for shopping and they bolts came in 1 day!

They fit perfectly inside 3/4" black polyethylene sprinkler pipe. Very strong, but flexible pipe. Feels very much like the plastic used in Yakima crossbars. I gave the bolts a couple coats of gloss black rustoleum to slow down the rust from the black oxide treated bolts. Hit the ends with a little anti seize so they would go in and out smoothly.

Once I figured that out it was simple. The bars will work with pretty much any roof mount bike rack. I opted for the Thule Big Mouth. I added some 3M reflective tape for increased visibility.

And before you ask, "why didn't you just get a hitch?" ... I did want to put a hitch on it. Don't like the looks. My setup can be removed in just few minutes, but is theft deterrent from the locked Thule rack. You can't take the Thule rack off when it is locked and you can't take out the bolts when the Thule rack is clamped down.

Now for a few pictures...
Custom Bicycle rack - rear mount-img_0216.jpg

I added some 3M reflective tape in the last picture


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post #2 of 7 (permalink) Old 04-13-2017, 12:12 PM Thread Starter
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Here is a shot of when I had the roof rack. I just thought it was a little too busy up there with the sleek lines of this car.



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post #3 of 7 (permalink) Old 10-04-2017, 06:53 PM
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Excellent Idea, I have been wanting to add a bike rack to mine as well.
I will have to try this.

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post #4 of 7 (permalink) Old 10-08-2017, 05:11 PM
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This is brilliant. Coincidentally, I lost one of the covers for the tow eyes and I've been wondering if there's anything to do with the holes. Best idea I had was long bolts and a pipe or 2x4 in between to discourage those who 'park by feel.'

GTGTGT, if we ever meet, drinks are on me.
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post #5 of 7 (permalink) Old 01-16-2019, 02:16 PM
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Quote:
Originally Posted by GTGTGT View Post
Here is a shot of when I had the roof rack.
I have nearly the same roof setup on my 2016 6. I agree, it's too busy, but ultimately I need the ability to haul a canoe and occasional lumber/etc on the roof.

I use the same Yakima setup with round bars, although I've ditched the fairing (didn't like it rubbing on the roof). I pull the bars off whenever I'm not using them. I don't love the four tower pads - they kinda spoil the roofline, but the bars are terribly loud and make a noticeable dent in gas mileage.

LOVE the rear bike rack you've whipped up. If I just needed to haul a bike or two, I'd definitely be looking at that.

2016 Mazda 6 Touring (MT)
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post #6 of 7 (permalink) Old 01-19-2019, 09:32 PM
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Quote:
Originally Posted by hunter186 View Post
I have nearly the same roof setup on my 2016 6. I agree, it's too busy, but ultimately I need the ability to haul a canoe and occasional lumber/etc on the roof.

I use the same Yakima setup with round bars, although I've ditched the fairing (didn't like it rubbing on the roof). I pull the bars off whenever I'm not using them. I don't love the four tower pads - they kinda spoil the roofline, but the bars are terribly loud and make a noticeable dent in gas mileage.

LOVE the rear bike rack you've whipped up. If I just needed to haul a bike or two, I'd definitely be looking at that.
I agree that the roofline somehow "destroys" the aesthetics of the car. Anyways, I don't haul a lot of things so I don't see a need for it.

If ever I'll have the strength to ride a bike after a long drive, I'll put the same setup.
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post #7 of 7 (permalink) Old 01-20-2019, 01:06 AM
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GTGTGT. That's a really smart idea and well executed. Very impressed.

Steve

2017 Snowflake White Mazda 6 Grand Touring GT Premium Package.
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