Costco Bikes Infinity Boss Three Disc Bike, Unisex 700c

Costco sells these Infinity Boss Three Unisex Bikes for $279.99. Scroll down for photos. Costco has been selling this brand / model for several years now & they always sell out! If you take a look at last years post (click link), you can read the comments and see how many people wanted one, but couldn’t find them. These are on the shelves now (March 2022) & they won’t be in stock for very long. This bike is GREAT for the casual rider or someone who likes to get around town without a car. It is the hybrid bike which has hybrid tires (combination of road and mountain), so you can take it almost anywhere. This model is unisex as opposed to last years men’s and women’s. Last years model got GREAT reviews & I have no doubt this will be the same. Here are a few more details about this Costco Unisex Infinity Boss Three Bike from Costco…….

  • Brand: Boss Three Unisex Hybrid 7-Speed
  • Light Aluminum Frame
  • Shimano Revo Shifter
  • Front & Rear Disc Brakes
  • Aluminum Rims
  • Seat: Vader, Saddle
  • 700c Infinity Double Wall Alloy
  • Innova 700 x 38c City Tire Rubber

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Costco Bikes Infinity Boss Three Unisex Hybrid 7-Speed

If you are even thinking about buying this bike, just grab it. You know what will happen if you don’t……they’ll be all sold out when you decide to go back and purchase it. With inflation on the rise these last couple years, you can still get this bike for under $300. Last years model was $219, so this did see a $50 price increase, because it now costs $279.99. Still a great deal! I found this in the center of the store next to all the other fitness equipment. does not currently sell this exact model, but make sure to check them out if you are looking for other bikes. They have a good selection right now. If you can’t find this at Costco, make sure to check out these other HIGHLY RATED hybrid bikes……

Price: $279.99, Item Number: 1518213

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13 thoughts on “Costco Bikes Infinity Boss Three Disc Bike, Unisex 700c

  1. Can you give advice on the gearing? That crankset/front sprocket looks very small. Can you get up to speed well with that small of a crankset?

    1. The front has 36 teeth while the rear freewheel is a 7 speed with 14-28 teeth. This means with its tires, it would have a 71 gear inches. That translates to 18mph at 85rpm cadence and 21mp at 100rpm. Plenty fast enough for casual riders. If you are a pedaler that slowly crank away at 60rpm, you might go at slightly below 13mph.

      1. Awesome t-bone! Thanks so much for your help. You’ve responded to a lot of other posts as well & I appreciate it. You sound like a pretty hand person!

  2. Finally purchased the women’s bike online. This model was also in sale.

    $399 – $70 = $329 plus $60 Costco gift card, I think it is a pretty good deal.

    It was $269 at the warehouse but they were out of stock.

    1. Nice! That’s a great deal! The price of all these items has increased so much lately, that if you can snag it on sale, go for it! You got a $60 gift card too, so that’s just as good as cash for me =)

  3. Hi
    I just picked up mine, was wuite happy but i got home and pit it together i noticed that the manual/video link to assembly was for a different bike (with brake pads and not discs).
    Second disappointment was that the front disc touches the disc pad brakes. Took it to a shop, paid 15$ to “straighten” the disc. Not it’s somewhat fixed

    1. It’s always good to give a new bike a tune-up. They get bounced around during transport & usually need a tune-up. There are some great online videos if you’re up for it when it comes to tuning up a bike. I also feel that the bike is such a good deal that the $15 is still worth it to buy the bike. Hope it ends up working out. Come back and give us an update after you’ve put some miles on it!

  4. I just picked one up today for $269.99 @ Glen Mills PA. Originally priced
    $339.99 it was marked down $-70.
    Love it..

    1. Nice! That is a score. These are popular every year. Especially with the prices going up you got a great deal!

    1. This was last years price. Inflation has set in and almost every item in Costco has been marked up accordingly.

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