Spare Tire on a 2022 Grand Design 5th Wheel Reflection 150 Series, Model 226RK

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Question:

My trailer has Goodyear Assurance ST225/75R15 tires for trailers. The smaller lettering is ST225/75R15 117/112R load range E. ‘Max load inflate to 80lb’ The trailer is a new 2022 Grand Design 5th Wheel Reflection 150 Series, Model 226RK. The wheels themselves have 6 nuts on them each – I’m pretty confident from all of the research I’ve done the proper notation is 15 x 6, 6 -5.5, 2830 lbs (that is the max weight each tire can have – there are two tires in sequence (not ‘double wide’ form) on each side. The trailer is relatively small – 28 ft long – it is the smallest 5th wheel Grand Design makes. I have a spare under the trailer already, but I have an extra tire (the tire referenced above) and I want to buy a wheel for it so I can have a second spare for long trips - Can you confirm - and recommend the best wheel for me? Also, what is the difference between white, silver or black steel wheels? The price range seems to vary widely.

asked by: Glenn C

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Expert Reply:

I would be happy to help you find a wheel so you can have another spare tire for your 2022 Grand Design 5th Wheel Reflection 150 Series, Model 226RK and clear up any questions about the differences in wheel finishes. We have multiple options for spare wheels that fit your Goodyear Assurance ST225/75R15 tire. With the exception of the Steel Mini Mod Trailer Wheel - 15" x 6" Rim - 6 on 5-1/2 - Galvanized Finish item # AM46ZR, which is galvanized and more for a boat, the only difference between the other wheels is color. All three have the same rim dimensions at 15" diameter x 6" wide with a pilot diameter of 4.27". Their bolt patterns are all 6 on 5-1/2". They have a capacity of 2,860 lbs each. They also come with a 2-Year limited warranty. Your choice in the three Dexstar wheels will come down to what color you want your spare tire to be.

Dexstar Steel Mini Mod Trailer Wheel - 15" x 6" Rim - 6 on 5-1/2 - Black item # AM20560

Dexstar Steel Spoke Trailer Wheel - 15" x 6" Rim - 6 on 5-1/2 - White Powder Coat item # AM20532

Dexstar Steel Mini Mod Trailer Wheel - 15" x 6" Rim - 6 on 5-1/2 - Silver Powder Coat item # AM20539

For a valve stem I recommend the Americana Metal, Bolt-In Valve Stem - 1-1/4" Long item # AM20906. This valve stem will fit all four of the wheels listed above.

expert reply by: Jerred H

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Answer 1

We definitely have what you need! For a great replacement 15" wheel with a 6 on 5-1/2 bolt pattern, I recommend the following wheels: - Dexstar Steel Spoke Trailer Wheel - 15" x 6" Rim - 6 on 5-1/2 #AM20532 (white) - Dexstar Steel Mini…

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Answer 2

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 3

Hi Paul, you’re definitely on the right track here, and I can help you narrow this down with confidence. With your tandem 3,500 lb Dexter axles and 33 inch spacing, both the Dexter EZ Flex part #K71-652-00 and the Lippert Road Armor part #LC53CK are…

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Answer 4

According to Blue Ox, it'll take an experienced installer about 4 to 5 hours to complete the installation of their #BX1128 Base Plate Kit on a 2016 Jeep Grand Cherokee. The install isn't what I'd call super-difficult, but the installation…

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Answer 5

It sounds like you are speaking of the wires for the brake magnets. If this is correct, you will need to connect one of the wires to the brake controller output wire on your trailer connector and the other wire will need to be grounded to a clean…

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Answer 6

The #84 spindle is just a common way to identify the spindle dimensions typically used for 3,500 lb axles. So instead of listing out the parts, people can just say they have #84 spindles and it's easier to know what fits it. The CE Smith Trailer…

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Answer 7

Hey Jon; I was actually just talking to Furrion about heat options for the Chill Cube yesterday (1/21/2025). At this time, the only way to have heat with this unit is through a furnace on a ducted setup. The Furrion Chill Cube RV AC w/ Air…

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Answer 8

You can use leaf springs that are rated higher than the axle without any issues as long as they measure the correct measurement for your trailer. For example the 6-leaf double eye spring for 7,000 lb axles part #e64SR measures 24-7/8" eye to…

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Answer 9

The two sizes you mentioned are pretty similar and fit many of the same 15 inch wheels. The 205/75-15 fits rim widths of 5 inch to 6 inch whereas the 225/75-15 fits widths that are 5 inch to 6-1/2 inch. The 205 is 27.1 inches tall and the 225 is 28.4…

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Answer 10

Hey Bryan, that's a good question. The pricing can definitely be misleading, but I wouldn't use it to judge the quality of the tire. A lot of that comes down to promotions, inventory, and whether you're looking at a tire by itself or…

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Answer 11

That's a very good question, we tend to be extra cautious and say to use 10 gauge wire because that would be more than enough. When you get into longer trailers that will end up using a lot of wire the heavier gauge wire becomes more necessary.…

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Answer 12

Hey Arkadius, welcome back! Yes, the ducted version of the Chill Cube comes with a remote. However, you're going to need the complete system for a replacement. You can choose from the following based on color: -Furrion Chill Cube RV Air…

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Spare Tire on a 2022 Grand Design 5th Wheel Reflection 150 Series, Model 226RK

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