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Thread: +'12 Curt Class 1 hitch install on <’10

  1. #16
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    The back of the car is not that strong to support required weight safely.
    So no one designed a 2 inch. you can get an adapter if you need to fit a bike hitch but you will still be weight limited.

  2. #17
    2012 CR Mazda5 Touring 90210's Avatar

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    Thank you

  3. #18
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    Quote Originally Posted by Vasy View Post
    The back of the car is not that strong to support required weight safely.
    So no one designed a 2 inch. you can get an adapter if you need to fit a bike hitch but you will still be weight limited.
    Yep, that's what I figured out when I put the hitch on mine 4 years ago. Could only find a class 1. It has held up well though.

  4. #19
    Registered Member Silentnoise713's Avatar

    2008 Mazda5 Grand Touring; 2009 Honda Fit Sport/Nav MT

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    -Class rating is a dummy/quick reference/101 guide. Tongue is calc as exactly 10% tow but up to 15% should be safe (there are ways to measure this individually)
    -The car's hitch rating is determined by the lowest/weakest link, which is always the car itself (weak chassis, transmission, suspension, brakes, 'what the mfg says', etc.), not the hitch. Fitting a Class 5 hitch on a subcompact car does not automatically increase it's tow. The Mz5 is build on a "compact" car chassis. While it looks bigger and sorta, kinda like a minivan - it is not. They are typically build on mid to full size sedans and are much heavier/stronger framed.
    -Keep Archimedes' lever principle in mind! Extenders/Converter/Adapter are ok for tow but I would avoid them for tongue.
    -Not all hitches are created equally.


    I use this to carry 3 bikes, plan to fit 4 once the youngest bike can fit tube top; it looks like a tight fit. Also, the provided 2--> 1.25 adapter is not desirable. Have to invert it, which leaves very little departure angle. I'm working on making an adapter. It is the only bike on the market that has the unique parallelogram design to allow access to the hatch (with or without hydraulics to assist in lifting). Note the rack itself is 42 lbs! I would recommend the 3 bike aluminum version b/c it is lighter. There's also the "swing away" type racks but they too are really heavy and really aren't meant for Class 1.
    http://www.softride.com/rack-product...sist_bike_rack
    Last edited by Silentnoise713; 12-01-2017 at 08:39 PM.
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  5. #20
    2012 CR Mazda5 Touring 90210's Avatar

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    Thank you

    Will order the rack

    Then figure out hitch and inversion as you note

    Quote Originally Posted by Silentnoise713 View Post
    -Class rating is a dummy/quick reference/101 guide. Tongue is calc as exactly 10% tow but up to 15% should be safe (there are ways to measure this individually)
    -The car's hitch rating is determined by the lowest/weakest link, which is always the car itself (weak chassis, transmission, suspension, brakes, 'what the mfg says', etc.), not the hitch. Fitting a Class 5 hitch on a subcompact car does not automatically increase it's tow. The Mz5 is build on a "compact" car chassis. While it looks bigger and sorta, kinda like a minivan - it is not. They are typically build on mid to full size sedans and are much heavier/stronger framed.
    -Keep Archimedes' lever principle in mind! Extenders/Converter/Adapter are ok for tow but I would avoid them for tongue.
    -Not all hitches are created equally.


    I use this to carry 3 bikes, plan to fit 4 once the youngest bike can fit tube top; it looks like a tight fit. Also, the provided 2--> 1.25 adapter is not desirable. Have to invert it, which leaves very little departure angle. I'm working on making an adapter. It is the only bike on the market that has the unique parallelogram design to allow access to the hatch (with or without hydraulics to assist in lifting). Note the rack itself is 42 lbs! I would recommend the 3 bike aluminum version b/c it is lighter. There's also the "swing away" type racks but they too are really heavy and really aren't meant for Class 1.
    http://www.softride.com/rack-product...sist_bike_rack

  6. #21
    2012 CR Mazda5 Touring 90210's Avatar

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    Mine arrived today

    Will install tomorrow

  7. #22
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    Came upon this thread while searching for a hitch mounted bike rack and wanted to share a couple things to Silentnoise713's comments re the installation of the Curt hitch on our cars. Definitely more than 45 minutes, I estimate I spent closer to 2 hours, mainly because I had to modify the heat shield a couple times for a proper fit. I didn't remove the exhaust, but I did lower it from 4 hangers instead of 3 giving more access. I did remove the driver side rear wheel. I rough marked the heat shield then removed it to cut out the opening; I had to do this a couple times for a proper fit. My 'second set of hands' was a jack to help with the marking and then the actual mounting of the hitch. Solid piece of kit.

    Anyways, have been searching for a solid bike rack (4 bikes) to get. I did try an older Thule but did not like all the bouncing and swaying on a test fit. A challenge is the receiver is about 5" recessed. Any suggestions or recommendations?

  8. #23
    Registered Member Silentnoise713's Avatar

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    You'll need to shop around and look carefully at the 4 bike carrier racks. Some come with longer attachment arms than others. Since this car only have Class 1 hitch avail, it uses a 1.25" receiver. The bike rack's 1.25" bar will be solid piece of metal to carry weight. Unlike Class 3+, which uses a hollow 2" square bar, you cannot insert an anti-rattle kit (really just a nut and bolt that allows you to screw it tight) on less than Class 3. If you gearing towards the higher end of weight limit, it is important to keep it from bouncing around. I don't like the idea of using a push pin for tongue weight.

    The reason why I went with the Softride rack is b/c the 1.25" bar is THREADED so you secure it with a bolt (it comes with a lock bolt with key) to make it anti rattle. I just noticed Softride stopped making bike racks... One of the few American made stout options but alas I don't think they can compete with the mass manufacturers. I'm glad I have my rack and will be keeping it as long as it lasts.
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  9. #24
    Registered Member Silentnoise713's Avatar

    2008 Mazda5 Grand Touring; 2009 Honda Fit Sport/Nav MT

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    Went to a local metal fabricator to inquire about making an adapter (shorter attachment arm) for my bike rack. Guy runs a solo shop and doing metal fabrication for auto and truck work for over 25 years.

    He went under the car on a creeper to look at the Curt hitch to see how it is installed. I have little knowledge on this so had little expectations. His comment's were very enlightening and I think may help fellow Mazda 5 with +'12 Curt hitch installed. I'm also using a Rola 59519 adapter (b/c the receiver is recessed) with a helicoil in it to make it anti-rattle https://www.etrailer.com/comparison....59519&pc2=HT5R



    His comments: the way the Curt hitch is mounted is SOLID. With the Rola 59519 inserted, he stepped on the protruding receiver and jumped up/down hard. He wanted to illustrate that the Curt hitch attachment points and the Rola adapter are both SOLID and can carry a lot of weight. He reaffirms to me that he knows metal and constructions and he assure me what I have is very strong, will not break, or fall off. I told him this car is not rated to tow but my intentions are to use the adapter (adds leverage that I want to avoid) with my bike rack to carry 4 bikes in the rear. I went with the intent of getting a custom 'shorter' adapter made to lessen the leverage. Curious, I asked how much tongue weight he think this this hitch can realistically handle. His response surprised me. He said, this hitch can safely carry up to about 1000 lbs (tongue) so four bikes will not be a problem at all. Even with the extra leverage is no trouble. I have no intentions to tow. Regarding not-rated to tow, his response: it's the transmission. There's nothing you can do to and trying to pull too much weight will strain and beak.


    I'm not saying you can safely go out and do something unadvised but figure this experience may be enlightening to some as it was for me. Note, this is with regard to the +'12 Curt hitch ONLY. Curt makes a different one for <'10 model years with different attachment points. I can't wait to take all 4 bikes to some trails this summer!
    Last edited by Silentnoise713; 05-03-2019 at 11:26 AM.
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