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Fat Tire Adapter Kit for Swagman G10 and E-Spec Bike Racks

Fat Tire Adapter Kit for Swagman G10 and E-Spec Bike Racks

Item # S64679
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Substitute wheel holders let you carry 1 bike with fat tires up to 5" on your Swagman bike rack. Simply remove your current wheel holders, slide these onto the crank arm, then tighten with the hand knob. No tools or extra hardware required. 1-800-496-5010 to order Swagman accessories and parts part number S64679 or order online at Free expert support on all Swagman products. Guaranteed Lowest Price and Fastest Shipping for Fat Tire Adapter Kit for Swagman G10 and E-Spec Bike Racks. Accessories and Parts reviews from real customers.
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  • Reviews (83)
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Swagman Accessories and Parts - S64679

  • Hitch Bike Racks
  • Wheel Adapters
  • Swagman

Substitute wheel holders let you carry 1 bike with fat tires up to 5" on your Swagman bike rack. Simply remove your current wheel holders, slide these onto the crank arm, then tighten with the hand knob. No tools or extra hardware required.


  • Substitute wheel holders let you carry 1 bicycle with fat tires on your Swagman G10 (S64682) or E-Spec (S94FR) platform-style bike rack
  • Includes 1 front-wheel holder and 1 rear-wheel holder
  • Extra-long straps secure fat bike wheels to holders
  • Installs easily with no extra hardware required
    • Secures to crank arm with convenient hand knobs
  • Durable, black powder-coated steel resists corrosion
  • Fits tires up to 5"

S64679 Swagman Fat Bike Wheel Holder Upgrade Kit for Swagman G10 and E-Spec Tray-Style Bike Carriers

Video of Fat Tire Adapter Kit for Swagman G10 and E-Spec Bike Racks

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.

Video Transcript for Swagman G10 2-Bike Rack Fat Tire Adapter Kit Review

Colin: Hey guys. It's Colin here at etrailer. Today, I'm going to take some time to show you guys the Fat Tire Adapter Kit for the Swagman G10 Platform Rack. Now, if you already own the G10 Platform Rack, and you've just recently invested in a fat-tire bike, well, you're going to want a way to carry it on your bike rack without having to invest in a brand new rack. Just more economical to just go ahead and get the adapter kit.So, you can see down here, we have a fat-tire bike loaded. This is going to increase the width of your tire to five inches of a carrying capacity for the bike rack.

However, you do want to keep in mind to still abide by the 45-pound weight limit of the bike rack. With our fat-tire bike up here, we are pretty close to it. This bike comes in at about 43 pounds, so it's just under, so that's going to be able to handle it.You can see the strap is just going to be much longer to get around those bigger wheels. You would still have that rubber space right there sitting on top of our wheel help make sure that this plastic strap doesn't rub up against it too much. With the fat-tire adapter kit, you're not going to lose any functionality of your bike rack, like our tilt-away feature still operates the same way.

Pull the latch, and it tilts away, holds their bike very well, and all the locks are still going to be the same. Nothing really changes with the bike rack.Now, you can see how much longer the strap is for those bigger tires. What's also really neat is that with this fat-tire cradle installed, if for some reason you still have a road bike or a mountain bike you want to take out, you can still use this cradle for it. You can see we have a slot for road bikes. We have the mountain bike sitting in that slot right there.

It's just going to be wider than your standard cradle to allow you to get those five-inch wide tires loaded up.It's going to have the same construction with a powder coat finish to help resist rust and corrosion. We're also still going to be able to adjust it back and forth. Really, the adapter kit is just these two cradles. You just replace the two cradles on whichever side you want to load your fat-tire bike, and then you're all done. This kit is just going to be one set of cradles, one for your front tire, one for your back.If you only got one fat-tire bike to carry, I would advise keeping it at the front of your bike rack closest to the vehicle.

When loading bikes, you just want to make sure you have the heaviest bike loaded first, and chances are if you're carrying a fat-tire bike right here, and you are going to use this other standard set of cradles, it's not going to be heavier than that front bike. If you do have two fat-tire bikes you want to load up, you're going to have to pick up an extra set of these cradles available here at etrailer.Well, thank you all for watching. That's going to do it for our look at the Fat Tire Adapter Kit for the Swagman G10 Bike Rack.

Customer Reviews

Fat Tire Adapter Kit for Swagman G10 and E-Spec Bike Racks - S64679

Average Customer Rating:  4.7 out of 5 stars   (83 Customer Reviews)

Substitute wheel holders let you carry 1 bike with fat tires up to 5" on your Swagman bike rack. Simply remove your current wheel holders, slide these onto the crank arm, then tighten with the hand knob. No tools or extra hardware required.


These are a great addition to the Back rack, enabling us to carry our e-bikes. They fit on easily do a good job of keeping the bikes planted on the rack. Though I've only had them a short time, they seem to made made of durable metal.

My only nit about them and the reason I gave it 4 stars is that they can't be ordered with the bike rack and you have to remember to order TWO sets to completely replace the originals.


It’s a shame that the fat tire saddles can’t be an either-or purchase. Now I have a set for the trash can. Why not make the fat tire saddles the standard and the skinny saddles the option? The fat tire set will work for all tires. It would have been nice if the the 2” tube was another 3” or 4” longer so the handle bars on the bike had a little more clearance from hitting the back side of the camper. The hold down hoops could have been a little bigger. The cross members on a lot of electric bikes are pretty wide as most Ebikes store their batteries their


Fat tire cradles work well. The only negative -reason for not 5 star is that the cradles attach to the bar with a turn style tightener. There needs to be a end cap on the rail so that it cannot come off. We tightened it as much as possible (without damage) and it actually came off the end and we almost lost/damaged our juiced e-bike. It was not a good day but we were going slow and in town so no damage occurred. Now we are always in fear it will happen going down the road. Bikes are too expensive to lose one due to a poor design.

One thing we recommend if your bikes are having a hard time staying stable, is to use some stabilizing straps, like part # 18050
Curt Cam Buckle Stabilizing Strap for Hitch-Mounted Accessories - 61" x 1" - Qty 1
-- Etrailer Expert Katrina B - 08/17/2022


Perfect match for the Swagman G10 bike rack if you have a fat tire bike. At the same time, it will accommodate skinny wheels/tires when you need to in an emergency. Overall a great product.


Adapters are great. The wait due to backorder was unacceptable. While waiting I changed addresses several times. etrailer's system had trouble handling the address changes and actually duplicated the order. It was frustrating.


A must for the Fat tire bikes. Easy to install on bike rack.


The fat tire wheel trays worked exactly as intended, made of a sturdy metal material that is held up well.


These fat tire carriers work very well with the two electric bikes we own. we have had to adapt the previous small tire carriers and now have a safer way of transporting our bikes on the back of our 5th wheel trailer. Tell Lori it was worth the wait.


These are a great fit for my Sondors fat tire e-bike. Traveled hundred if not thousand of miles with out 2 e-bikes without incident. The straps work great at keeping the tires where they should be.


Online ordering was simple and fast, the shipping was incredibly fast. I look forward to do more business with etrailer..


Evaluated several brands with first screening for weight capacity as our two bikes weigh in at about 60# each. Had decided on a particular rack, but noticed e-trailer’s little green chart at the end of the ad, indicating that it was not approved for fifth wheel trailers. We wanted to be able to use the rack on our fifth wheel, the 3/4 ton truck, or the Subaru Forester. The Swagman E-SPEC was the only rack that I found in a reasonable price range, that specifically indicated that it was approved for fifth wheel usage. The design of the rack is pretty good, and is built well. Took a bit to determine the right configuration of bikes on the rack.
As I have seen commented on other posts, not real happy that I had to buy two sets of Fat Tire cradles for $[XX] to replace those that came with the rack. Seems that Swagman should be able to sell a Fat Tire version OR standard.


It fits and shipping was Fast.
a great company to deal with.


Rack was delivered early in time for us to take on our camping trip. Assemble was straight forward however I encountered a few challenges when putting our 2 e-bike on it. I’d wanted to put my fat tire bike on the inside since it is considerably heavier than my wife’s Trek. Unfortunately the handlebar of my bike touched the rear window of my 5th wheel so I had to switch positions. To get the hooks to fit properly I had to switch the long and shorts hooks. When all was done, everything worked great. I did try to fold up the rack but couldn’t get the pin to come through. I didn’t want to force it so I’ll work on that problem when I get back home.


We needed to change the stock cradles out for these because our ebike has 4" tires. These adapters are exact fit and attach quickly just like the stock ones.


Had an issue afterwards wth one of the parts and customer service was very responsive and helpful in getting me through it!


Plastic ratchet straps are NOT UV stabilized. The metal parts are sturdy and well-made. However, the plastic parts are NOT UV stabilized. My ratchet straps (used to secure the bike to the metal shoe) disintegrated in less than a year. You can order more straps from Swagman (SKU P495) for $[x]each but, the shipping is a minimum of $[xx]. One would think that a bike rack designed for use outdoors would have plastic parts that are UV stabilized.


Does exactly what it says. Easy to install. Stays put.


Always great service knowledgeable people and great follow through. Been buying from them for well over 15 years.


We waited a long time for Swagman to get these back into stock, but are extremely happy with our purchase. Makes loading the bikes a snap!


Great well made product!


It was just what we wanted!


Like the rack, seems very solid with no wobble, however, you should be able to order with wide tire tracks rather than paying xx.xx for the fat tire model and end up with four tire tracks you have no use for. It's just a way to get [more money] out of fat tire bike customers.


Excellent, very sturdy product. Using for Lectric ebikes


parts delivered fast and fit what I needed,thanks for the help..


They are very wll made

Show More Reviews

See what our Experts say about this Swagman Accessories and Parts

  • Thule Euroride 940
    I contacted Thule directly and they informed me that this is a rack that is only stocked in Asia. They encourage you to contact Thule Asia or the Thule website for the Philippines.
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  • Bar Dimensions the Fat Tire Adapters Fit
    The Fat Tire Adapter Kit for Swagman G10 2-Bike Rack for 1-1/4" and 2" Hitches part # S64679 are designed at for square tubes that are 1 1/4" x 1 1/4" in size. Of course they will bite down on smaller size tubing and will likely work for your 1 1/8" tubing. If you can provide me with the model number of your rack I can look into an exact replacement for you to ensure the proper fit.
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  • Will The Swagman Chinook 2 Bike Rack Fold Up Properly On a 2017 Subaru Forester
    The Swagman Chinook 2-Bike Platform Rack # S64683 has a distance of 6 inches from the center of the hitch pin hole to the closest part of the carrier when it is folded. If you go out and measure from the center of your hitch pin hole to your bumper you can determine if it will fold up without any issues on your 2017 Subaru Forester. I will link a demonstration video that talks about different measurements for you. I have attached a help article and an image to help explain bumper clearance.
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  • Can I Buy Extra Wheel Trays for the Swagman Current # S64678?
    From the sounds of your question, I believe you are talking about spare wheel trays for the Swagman Current # S64678. If this is what you mean, then yes! I called my tech at Swagman and confirmed that the exact cradles that come with the rack are the # S64679. This will provide you with an extra set.
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  • Fat Tire Adapter that Fits Swagman G10 Bike Rack
    What bike rack do you have that you installed the fat bike adapter on? It shouldn't have moved the hoops out any further than what was originally on the rack.
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  • Platform Bike Rack Recommendation for 59 lb Fat Bikes with 5 inch Wide Tires
    The Swagman E-Spec Bike Rack for 2 Electric Bikes # S94FR is primarily designed for electric or downhill mountain bikes, if the tires on your fat bike are 3 inches wide or less, the Swagman E-Spec Bike Rack would work great for you. However, since you have 5 inch tires you will also need the Fat Tire Adapter Kit for Swagman G10 and E-Spec Bike Racks # S64679.
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  • What Tubing Size Does Swagman Fat Tire Adapter Kit Fit
    The Fat Tire Adapter Kit # S64679, for the G10 S64682 and E-Spec # S94FR bike racks, will fit with 1-1/4" x 1-1/4" outer diameter square tubing.
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  • Recommended Bike Rack to Carry 1 Fat Tire e-Bike and 1 e-Bike on 5th Wheel Trailer
    The best bike rack we have available for your particular application is the Swagman E-Spec 2-Electric Bike Platform Rack # S94FR paired with the Fat Tire Adapter Kit # S64679. This is an excellent carrier that is rated for use behind a 5th wheel trailer, can handle two bikes that weigh up to 70 pounds each, and features integrated locks to help protect your investments throughout your trip. The Fat Tire Adapter Kit will allow it to secure bikes that have up to 5 inch wide tires. Please...
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  • Fat Tire Adapter that Can be Used with Swagman E-Spec Bike Rack
    The correct fat tire kit to use with the Swagman E-Spec bike rack part # S94FR that you referenced is the part # S64679. I attached review videos for both of these for you to check out as well.
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  • Best Bike Rack for Rad E-Bikes on Back of Motorhome
    Due to how heavy your Rad E-Bikes are, the best option to carry the bikes on the back of your motorhome is the Swagman E-Spec Electric Bike Rack # S94FR. The reason for this is what you mentioned when talking about the Saris rack - weight capacity. The Hollywood rack has an 70 lb weight capacity and is also rated for use behind a motorhome. It will work with tires up to 3" wide but can work with tires up to 5" wide with the Fat Tire Adapter Kit # S64679. The E-Spec is also a frame-mounted...
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  • Bike Rack for 60 lb Fat Tire E-Bikes That is Compatible With Fifth Wheel Trailer
    There is an option for a bike rack that is compatible for a fifth wheel trailer and will work for a pair of fat tire, 60 lb e-bikes: - Swagman E-Spec Electric Bike Rack # S94FR with the Fat Tire Adapter Kit # S64679 This rack has a 70 lb per bike capacity and with the adapter can carry bikes with fat tires (up to 5 inches wide); it is also rated for use on the back of a fifth wheel trailer. This is an extremely strong rack made of solid steel, and this sturdiness is what helps keep the...
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  • Bike Rack Recommendation for 65 lb E-bikes With Fat Tires
    You are correct that there are limited options for a bike rack that is capable of carrying a pair of 65 lb e-bikes with 4 inch fat tires. What you will need is the Swagman E-Spec Electric Bike Rack # S94FR with the Fat Tire Adapter Kit # S64679. This rack will fit the 2" hitch on your 2013 Ram and is extremely well-built, as you can imagine for a bike rack that can take the weight of heavy e-bikes. It is more than just sturdy though, because the rack also gives you protection for your...
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  • Bike Rack for 70 lb E-Bike With Fat Tires for 2 Inch Trailer Hitch Receiver
    I can certainly respect the fact you have a budget, though to carry a 70 lb electric bike with fat tires there are very few options, and you won't be able to install the second half of a 2-bike system. The most economical of those is the Swagman E-Spec Electric Bike Rack # S94FR with Fat Tire Adapter Kit # S64679 The rack has the capacity you need at 70 lbs per bike, works with tires up to 5" with the tire adapter and fits your 2" hitch so it is easily the best option for you. I have...
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  • Best Fat Tire E-Bike Rack for Flat-Towed Vehicle
    The best fat tire e-bike carrier we offer that can be used on the back of a flat-towed vehicle is the Swagman E-Spec Electric Bike Rack part # S94FR. The E-Spec can haul bikes up to 70 lbs, can accommodate bikes with tires up to 5" wide when you obtain the Fat Tire Adapter Kit part # S64679, and is rated for used on the back of a flat-towed vehicle. The E-Spec is the only option which meets all of the criteria so it is your best option.
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  • Fat Bike E-Bike Rack for Use at Rear of Fifth Wheel Trailer
    We have the Swagman E-Spec Electric Bike Rack part # S94FR with the fat tire adapter # S64679 which would be perfect for your situation. It's rated for the weight of e-bikes which are heavier than standard bikes, is approved for use at the rear of 5th wheel trailers and with the fat tire adapters is perfectly compatible with fat bikes.
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  • 2-Bike Rack Recommendation For 5th Wheel Trailer
    The best option for a platform bike rack that is approved for use on the back of your 5th wheel trailer is from Swagman: - Swagman E-Spec Bike Rack # S94FR This is the best option for a number of reasons, starting with the fact it can carry just about any bike due to it's frame-mounted design and the fact it has a whopping 70 lb per bike capacity, which speaks to just how strong this rack is. The E-Spec also has large wheel holders to make loading bikes easier, and the holders slide so...
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  • Best Bike Rack for E-Bikes on a Motorhome and Flat-Towed Vehicle
    I have a great platform rack for you. It's the Swagman E-Spec, part # S94FR. It's compatible with motorhomes and flat-towed vehicles, and it fits into 2" receivers. It supports bikes up to 70 pounds and is a frame-mount rack. Since its capacity is 70 pounds per bike, it would be best for you to remove the batteries so you are not pushing the capacity all of the time. I've linked to a video review of this rack for your consideration.
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  • Swagman E-Spec Fat Tire Adapter
    The correct fat tire adapter for the Swagman E-Spec part # S94FR is the part # S64679 which can accommodate tires up to 5 inches in width.
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  • Best Bike Rack for Heavy Fat Tire Ebikes on Truck and Travel Trailer
    Sounds like you need a bike rack that can fit heavy bikes, fat bikes, is compatible with travel trailers, and can swing away. That's asking a lot of a bike rack, but thankfully, bike rack technology has improved in the past couple years that you actually have some choices. The best rack that I can recommend for you is the Swagman E-Spec # S94FR with the Fat Tire Adapter Kit # S64679. While most electric bike racks can carry up to 60 lbs per bike, which is not enough for yours, this one...
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  • Fat Tire Bike Adapter For Swagman E-Spec
    IF you're wanting to convert your Swagman E-Spec # S94FR to a fat tire bike rack, you'll need to get this fat tire adapter kit # S64679.
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  • How Do I Measure a Spare-Tire Clearance for a Swagman E-Spec Bike Rack on a 2011 Navion?
    The measurement that you need to figure out if the Swagman E-Spec Bike Rack for 2 Electric Bikes # S94FR will clear a spare tire above the hitch is the measurement of the shank from the center of the pinhole to the closest part of the rack (while folded up or folded down). The dimension that you will need is the closest part of the E-Spec while folded up, which is 10-1/2 inches. In order to make sure it will clear the spare tire, the distance from the center of the hitch pin hold to the...
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  • Can Fat Tire Holders Be Added To The Swagman E-Spec Bike Carrier?
    The Swagman E-Spec Bike Rack for 2 Electric Bikes - 2" Hitches # S94FR can fit up to 3" wide tires, but you can buy Fat Tire Adapter Kit # S64679 separately and add it to the E-Spec which would then be able to accommodate up to 5" wide tires. I attached a demonstration video for you to check out. Simply click on the part link above and you will see the product listing and price.
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  • E-Bike Rack Recommendation for Fat Tire E-Bike at Rear of Travel Trailer
    The best option for carrying fat tire E-Bikes on a a trailer is the Swagman E-Spec Electric Bike Rack # S94FR with the fat tire adapter # S64679. The E-Spec holds your bike down with hooks that touch the frame and it can hold up to 70 lb E-bikes and it will do well to carry your two e-bikes on the back of your travel trailer. I have linked a review video of this bike rack for you to check out.
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  • Best E-Bike Rack for Rear of Travel Trailer
    I'd recommend the Swagman E-Spec, part # S94FR. When equipped with the optional # S64679 fat bike cradles, the E-Spec can easily handle 2 65 lb e-bikes with fat tires up to 5 inches wide on your travel trailer. The # S64679 includes 2 cradles, so for 2 bikes, you'll need 2 sets. When used on the travel trailer, you must remove the folding pin and install the supplied bolt, washers, and nut.
    view full answer...

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