Works perfect on my Cat Trike. The flag mount attaches to the backside of my seat which keeps it from rattling the rear fender.
MODERN RECUMBENT ESSENTIALS FOR THE MODERN RECUMBENT RIDER
WE DESIGN IT. WE MACHINE IT. WE ASSEMBLE IT. SIMPLE AS THAT.
PROUDLY MADE IN PORTLAND, OREGON
SKU:PSK310.1
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Finally! A high quality flag mount that you can use almost anywhere! It took a while to perfect, but here it is: a nicely made, very versatile, good looking flag mount that you can put almost anywhere. And it has an adjustable rubber gripper ring that you can set anywhere from "easy in and out" to "absolutely can't even pull it out." Machined from a solid block of aluminum, these mounts are super strong. Twin adjuster slots let you dial in the perfect flag angle. Attaches using two T-Cycle modified Cateye clamps, so you can attach to almost anything round, like chainstays, seatstays, back of seat tubes, racks, etc. Available in both 6mm and 1/4 inch versions, so you can use them with any standard flag. Works great when you want to run twin flags too, the mounting freedom means you can always find two matching locations for a cool twin look.
1. What makes this unique?
The combination of quality, versatility, and the pole gripping feature make this mount unique. These mounts attach more places and have an adjustable pole gripping mechanism that keeps your flag from inadvertently flying out. These are not an afterthought item, they are designed from the ground up for daily use in places where they need to look good and work reliably.
2. Aren't there other flag mounts?
Yes, there are other flag mounts. There are a couple decent ones, but they are special purpose and don't have the pole gripping feature. The most commonly available flag mounts are cheap stamped things designed to be given away with kids bikes. There really isn't anything else designed to fit lots of places on lots of different kinds of bikes and trikes.
3. Where can I attach it?
Almost anywhere. The angle adjustment lets you get a good flagpole angle on almost any tube from horizontal to 90 degrees up (70 degrees on tubes 1-1/8in and larger). You can use it on chainstays, seatstays, racks, backs of seats, trailers, all kinds of places. The flag mount itself is attached using a pair of Cateye brand clamps. Cateye clamps are super strong and available in sizes to fit tubes from 1/2 inch (12mm) up to 1-1/4 inch (31.8mm). This covers pretty much all the sizes of tubes you might want to attach to. If you want to attach to a rack with smaller tubing, we have shims to go from 1/4 or 3/8 inch up to 1 inch, ask for details. It's also possible to attach the mount to other places. If you're handy, you could easily attach it to the back of a carbon fiber seat, or the side of a cargo box, a mobility scooter, etc.
4. Will the flag fall out?
Not very likely, particularly if you adjust the gripper to max grip. The gripper is a neoprene ring that grips the pole when you slide it in. Since it's rubber, it holds on through bumps and potholes and even a good tree whacking. The low setting gives a nice grip, but you can still push the flag in and pull it out. The strength goes up from there. With it all the way tight, you could lift your trike with the flagpole.
We recommend the flagpole be mounted near the back of the seat and at a slight rearward angle (not quite vertical). This brings the flag further forward, so it's more visible when you enter intersections. It also ensures the flag doesn't hang back too far, making it easier to park and walk around. Typical places are a chainstay, a seatstay, or a tube on the back of the seat itself. Measure the approximate size of the tube and order your mount accordingly. If you don't know the size, and need help measuring your bike, we have a handy printable tube sizing tool.
Depending on the angle of the tube you're attaching to, the Cateye clamps can either face the same or opposite sides. At low angles, the open (bolt) sides can both be up or both be down. At steeper angles, one clamp may need to have it's open (bolt) side on the top of the tube, and the other clamp on the bottom side of the tube. The flag mount is designed to work either way, with the orientation of the clamps extending the angle range.
Once you've determined the best arrangement of the clamps, insert the bolts and start them into the clamps. Fine tune the angle of the clamp, then tighten the clamp bolts.
To adjust the pole gripper, start out with the button head bolt just barely loose. Insert and remove the flagpole and see how it feels. Insertion will be easier if there is a slight bevel on the end of the pole. Twisting the pole as you insert it makes it easier as well. If you want more grip, tighten the bolt. When it's all the way tight, the stainless washer will clamp directly to the pole, really gripping it.

Overall rating: 4.7 / 5 from 187 reviews.
Works perfect on my Cat Trike. The flag mount attaches to the backside of my seat which keeps it from rattling the rear fender.
Tim P. 5/5 Verified
Easy to install . I particularly like the rubber washer that allows the flag pole to be friction tightened. I am not sure how long the clamps will last. I would have preferred a metal split clamping system.
Mark S. 4/5 Verified
Still tinkering with the flag mount and tail light combination . . .
Tim S. 5/5 Verified
Very very satisfied with my bottle holders and especially my flag pool mounts, but I use them for my lighted whips to ride at night!!!
Julian G. 5/5 Verified
This bike's axle won't fit many of typical bike flags, but this solved my ziptie-laden woes.
Gregory H. 5/5 Verified
so safe, so fun!
Charlie E. 5/5 Verified
Works exactly as advertised. Quality construction and clever design when it comes to firmly holding it in place on bar and easily removing flag pole with allen wrench. Thank you!
Kevin W. 5/5 Verified
awesome thank you
Mike W. 5/5 Verified
A well made, thoughtful design. The best in the business.
Mike M. 5/5 Verified
Arrived as ordered. Installed on ICE Adventure 26 RS. Works as advertised.
Tim W. 5/5 Verified
Excellent mount. Easy to install and setup. Unlimited adjustments.
Edward N. 5/5 Verified
It was very windy the first day I tried my flags and the holder worked perfectly.
Barb S. 5/5 Verified
Fits my trike frame and flagpole perfectly.
Russell K. 5/5 Verified
I like the item(s). But, I didn’t received a rubber or plastic sleeve(s) with the item(s), I ordered. So, the flag mounts were really loose. I used tape to make the mount tight on my Catrike.
Adrian A. 4/5 Verified
I recently installed the Veltop canopy on my ICE trike and didn't take into account that it covers the holes in the seat back where the flags normally go. Ordered the Terracycle flag mount and it fits the rear rack perfectly. Now the flag clears the canopy and is more vertical. The tension screw for the pole seems solid too.
Kent R. 5/5 Verified
I couldn't mount a flag using the bracket that came with my Catrike Dumont because the pole would interfere with my rack mounted bag. I installed the Teracycle mount in the center of the upper seat support and it securely holds the flag pole in place.
Bill O. 5/5 Verified
Always great products from Terra Cycle Purchased a Terra Cycle Flag Mount which was a breeze to install and holds your favorite flag in place Also purchased a head rest which has changed my riding experience It is so comfortable and takes neck fatigue out of the equation The people at Terra Cycle are always there to support you with any questions on sizing tubing diameters etc. Just shoot them an email and you will get a prompt reply Thanks everyone at Terra Cycle for supplying the recumbent community with such quality equipment Carl Krause Long Island NY
Carl K. 5/5 Verified
Carl K. 5/5 Verified
I purchased this flag holder when the one on my trike gave way. Installation was very easy, and I am very pleased with the quality and strength of this holder. It is just what I needed. I mounted it high on the seat back to give the flag maximum height and visibility. Great!
James V. 5/5 Verified
The T-Cycle Flag Mount is exactly what I needed. Simple and well made, It was an easy install and now my safety flag is at the perfect position. Highly recommend this item.
Steven M. 5/5 Verified
The flag mount is easy to install and is super adjustable. My first attempt I couldn’t get the angle I wanted. Then I realized that you can reverse the bolts and then it was perfect. Very happy with my vertical flag mount. The tension adjustment really holds the pole in, I think I could lift the trike up with it (not going to try).
Loren T. 5/5 Verified
Works great
Richard R. 5/5 Verified
This is not the world's greatest review process. You have to do each item one at a time. All good!
Richard S. 5/5 Verified
Works as advertised. Great adapter to add a flag when the standard options won’t work.
Meaghan M. 5/5 Verified
Well designed, quality materials and workmanship.
Dean H. 5/5 Verified
Great
Jeffrey N. 5/5 Verified
Excellent piece of kit
Prof J. 5/5 Verified
Perfect flag mount, easy to install. Many thanks!
Peter T. 5/5 Verified
My new trike had an upgraded seat but it covered the flag holes on top. There was a small slit to put the flag through but it was awkward. I looked around and saw this item. It looked perfect! Also, I could attach it to my rear rack in a location that allowed me to display my flag at a height and angle that I liked. It's this reason especially that I liked. I ride in a group and along streets that have trees. This flag mount lets me put the flag lower and straighter. Lower so I don't hit tree branches and straighter so riders behind me aren't bothered.
Kim H. 5/5 Verified
Prompt delivery and excellent product (as usual). Many thanks!
Prof J. 5/5 Verified
Way better than what is standard on the trike.
Marshall W. 5/5 Verified
Installed on a Scorpion 26 made by HP Velotechnik.
William D. 5/5 Verified
Responsive and painless. Don’t reinvent the wheel. If you need something, check TC, they probably have it. Thanks.
Warden H. 5/5 Verified
Besides the shipment being delayed, the product itself worked as described and seems to be of high quality
Christopher R. 5/5 Verified
way too expensive.
Stephen S. 5/5 Verified
I have 5 of these units. They are exactly what I need. They are way too expensive.
Stephen S. 5/5 Verified
Well designed and strong flag mount. Installation was straightforward, but required trying different locations and angles before settling on the final configuration. Holds the flag pole securely. Does not interfere with pedaling once installed.
Jim W. 5/5 Verified
Second one of these really nice flagholders so I'm pretty sure I've already spoken highly of it once.
Kenneth J. 5/5 Verified
Quality parts and timely service.
Kent B. 5/5 Verified
The pole holder could be a bit deeper to hold the pole better. The pole Has a tendency to pop out sometimes when going over a bump.
Peter G. 3/5 Verified