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Flow SL Cage

4.142857142857143 out of 5 stars
7 Reviews
$13.99 - $19.99



Flow SL Cage

Offered in left and right-side configurations, the Lezyne Flow SL Cage provides easy-access to your water bottle on uphill slogs and fast training rides. Its fiber-reinforced construction strikes a nice balance between weight savings and strength. Oval mounting holes fine-tune the position on your frame.


  • Easy-access cage whether you're a lefty or righty
  • Fiber-reinforced construction is light and strong
  • Side-grab opening is easy to use while riding
  • Oval mounting holes for fine-tuning position
  • Right or left openings available to suit your preferences
  • Item #LED004B
reinforced composite
standard cycling water bottle
Claimed Weight
Manufacturer Warranty
2 years

Overall Rating

4 based on 7 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 1 reviews
3 Stars - 1 reviews
4 Stars - 1 reviews
5 Stars - 4 reviews

Fits True To Size

Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.
Runs smallTrue to sizeRuns large

What do you think about this product?


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3 out of 5 stars

November 12, 2022

Lefty-Righty Cages do the Job

I've used it several times

I'm a lefty. Bought 1 L & 1 R pair, installed R cage on seat tube, inverted facing forward. Both now oriented for Lefty. Perfect solution. Road Mickelson Trail in SD with hilly side trip to Mt. Rushmore. They hold bottles securely, though I don't subject to MTB riding. They've held up well, despite being plastic. I anticipate long life under my use. Recommended, given the price point and availability as L-R pair.

user image
Jack R
2 out of 5 stars

November 1, 2021

Ok value for the money

I've used it several times
Size Bought:

Ok value for the price but doesn't hold my bottle securely. Not worth the headache to return the item. I do not recommend this item.

Edert O
Brian SGearhead
5 out of 5 stars

September 12, 2021

Value priced side-loading cage

I've put it through the wringer
Size Bought:
Right side open

So, there is a specific cage that the manufacturer of my bike recommends, and it's a really nice carbon side-loader. Nothing against that cage, but if you're trying to save dollars and not grams...the Flow SL is the best bang for your buck. It holds the bottle perfectly over rough, chunky terrain and yet the bottle is still easy enough to grab when needed. Maybe someday, I'll swap it over to a light weight cage that echos the level of craftsmanship on my bike and saves some weight. Until then, this thing works perfectly fine!

5 out of 5 stars

August 4, 2021

Great design and value

I've put it through the wringer

I have a tight triangle on my full suspension bike (YT IZZO) and needed a cage which would fit a small/squat bottle and allow me to pull it out from the side rather than the top. This fit the bill perfectly.

Chris N

Originally reviewed on Backcountry.com

4 out of 5 stars

April 25, 2021

R on downtube, L on seat tube

I've used it once or twice and have initial impressions

Looks nice, and is easy-on and off. I ordered the R side. It's important to note, this will come out the right if mounted on the downtube and the left if mounted on the seat tube.

Jeremiah W
5 out of 5 stars

February 23, 2021

Great Cage

I've used it once or twice and have initial impressions

Love the cage. Purchased the hyper green. Color matches perfectly with my Specialized 5.0 Ordering the left hand model too.


Originally reviewed on Backcountry.com

5 out of 5 stars

July 8, 2020

Try To Remember If You're A Lefty

I've used it once or twice and have initial impressions

Well, hopefully this is the goofiest employee review I'll ever write. We were running a little low on cages, and I saw this one came in purple, and honestly kind of impulse bought it. Lo and behold, I did not think the situation through at all. I got it on my bike yesterday and went to see if I could grab my bottle while riding, so I could report back on the quality and ease of use. Unfortunately, all I can report is that I ride left handed, and I bought myself a left-entry bottle cage ? so that's pretty much a complete bust. I leaned down and ended up with a handful of bottle cage and no bottle. It did keep a solid hold on the bottle, though! Seemed like it would be pretty easy to operate if you get the correct entry side; the plastic has a nice little bit of flex to it. It also fits super nicely on my tiny XS frame. Just double check which is your dominant hand before ordering.

Ana S

Originally reviewed on Backcountry.com