Kenda K850 Review
K850 from Kenda
The Kenda K850 is an incredibly inexpensive all-around bike tire we (and hundreds of online customers) found works well in a wide variety of terrain and delivers excellent overall value. However, it likely won’t be your first choice if you ride aggressive trails, or are concerned about puncture protection.
User Review( votes)
The K850 from Kenda is a go-to tire found on many department store bicycles. In this brief review, by combining on our personal experience with online rider feedback, we’ll help you better understand where it shines and where it leaves something to be desired.
About the Kenda K850
Kenda’s K850 bicycle tire is an affordable, no-nonsense option that promises to deliver an aggressive tread design ideal for trail riding.
If you decide to hop on hard-packed dirt or pavement, though, they advertise its central “connected knobbies” will decrease rolling resistance and increase smoothness.
While the K850 clincher was available in 20” and 24” versions in years past, it’s currently only sold in two models: 26” x 1.95 and 26” x 2.10. Both weigh in at 725 grams (1.6 lbs) and feature 37 threads per inch. Recommended pressure is 40-65 pounds per square inch (PSI).
Like all Kenda bike tires, the K850 comes with a one-year manufacturer warranty against defects in material and workmanship. Third-party pricing was about $20 at the time of this writing.
Kenda K850 Quick Facts
|Sizes Available||26” x 1.95, 26” x 2.10 (20”, 24” previously sold)|
|Third-Party Pricing||$20 (Amazon)|
|Pressure Range||40 – 65 PSI (2.8 – 4.5 bar)|
|Threads Per Inch||37 TPI|
Combined with the fact that the tire has been available in a variety of sizes and colors (black, red, and green) for many years now—even as stock equipment on several off-road-oriented bicycles from name-brand manufacturers—the K850 has proven to be an exceptionally popular model with a great deal of staying power.
But, just because it’s popular, should you replace your existing K850 bicycle tire when the time comes, or should you choose another make or model? We’ll leave everything up to you, although this article will quickly cover the basics so you can maximize your cycling fun—and your money.
Firsthand Feedback Regarding the Kenda K850 Bike Tires
|Tester Specs||Age: 7, 10|
|Bikes||Specialized Hotrock, Novara Pixie 20, Adams Folder 1 Trail-a-Bike|
|Sizes Tested||24 x 2.1; 20 x 2.0; 20 x 1.75|
|Weight||726 g (26” version)|
|Surface Conditions||Tacky, slick|
|Weather Conditions||Wet, dry, windy, calm, hot, cool (no sub-freezing temps)|
To emphasize just how popular the Kenda K850 tire is, I found it mounted to no less three different kids bikes in my garage: a Specialized Hot Rock (24” x 2.1), Adams Folder 1 Trail-a-Bike (20” x 2.0), and Novara Pixie (20” x 1.75).
And while I never rode on the tires myself due to size limitations, both of my children used them successfully on a wide variety of terrain; everything from concrete urban streets to loose, sandy singletrack. In general, its unique “sweeping” central knobby pattern seemed to deliver solid grip in many different situations.
However, my kids often complained that the ride was harsh if I inflated them above 40 to 45 PSI.
Weight & Flat Prevention
And at just 37 threads per inch in its casing, the K850 also features a lot of rubber and as a result, is relatively heavy for its size. This low thread density also means that the tire also doesn’t provide a great deal of puncture resistance.
Related: How Bike Tires Work
In fact, based on the number of flats my kids received (although they did ride frequently), I’d strongly recommend purchasing a heavy-duty inner tube, or even one pre-filled with sealant, to save yourself some frustration with these tires.
Important: Mounting Direction
Along these same lines, it’s important to emphasize that according to Kenda you’ll want to make sure its chevron pattern points in the direction of rotation (this critical detail isn’t stamped on the tire’s sidewall).
My Overall Impression About the K850
My bottom line: As a stock tire mounted to several different kids’ bicycle models, I found that the K850 performed well under nearly all conditions. It features a chunky tread pattern for optimal grip, as well as a central pattern that minimizes rolling resistance on hard-packed surfaces.
But, I also achieved a great deal of value by investing in heavy-duty inner tubes. Just keep in mind that at $10-$15 (or more) each, this will almost double your overall cost, which could be used to purchase higher-quality replacement tires.
In the end, I found that the K850 doesn’t necessarily do anything great, but seems to do many things very well.
Is this mostly in line with others’ experiences?
What Cyclists Are Saying About the Kenda K850 Bicycle Tire
With nearly 400 combined customer reviews on Amazon, the K850 had an average rating of about 4.5 stars as of this writing.
In general, cyclists reported that it was inexpensive, delivered good traction and excellent handling, and was ideal for hard-packed surfaces like gravel.
On the other hand, several complained that the thick knobbies created greater rolling resistance, that its traction greatly decreases if it gets wet, the puncture protection leaves a lot to be desired, it’s heavy, and that it’s not an ideal choice for more aggressive trails or riding styles.
Pro tip: Also, more than one emphasized that the 2.10” version is closer in width to 1.95”, so keep this in mind if you’re looking to go with something wider than your current setup to boost traction.
Whether you just purchased a bike with Kenda’s K850 tires mounted or you’re looking to upgrade your current tires, what’s the bottom line?
Coming to a Conclusion About the K850 Tires From Kenda
At just $20 on Amazon as of this writing, the K850 is priced meaningfully lower than many other mountain bike tires. So, if the price is your number one factor, combined with its almost wholly positive online customer feedback, you probably can’t go wrong.
Just keep in mind there are several other 26” tires from name-brand companies (like Schwinn) that fall below $15. Therefore, it might pay to shop around if you’re most interested in the lowest price.
As with most things in cycling, though, you generally get what you pay for. In the instance of the K850, you’ll sacrifice weight, rolling resistance, and puncture protection. Together, this means that it’s not necessarily built to withstand the abuse delivered by more aggressive riding.
And even if you (or your children) only ride around the neighborhood or on hard-packed trails, based on my firsthand experience and feedback from multiple Amazon customers, it’s strongly recommended that you invest in a heavy-duty or goo-filled tube, or a liner insert to prevent frustrating flats.
So, while the Kenda K850 (as well as tires from other manufacturers in the same category) might start at a lower price, make sure you factor these additional expenses into your overall budget.
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