Topeak 34.5 cm Extra Long Rack Mounting Bracket for BabySeat II, MTX Racks

Worked perfectly on my recumbent trike! Just the right length to connect my Blackburn bike rack to the seat stays on my TerraTrike. They have just enough give to allow them to be bent into position for proper attachment. The hardware included seemed to be decent quality. I did need to get some extra bolts/nuts for my install though due to my bike being "unique".

The original brackets that came with the basket were too short to allow the basket to fit behind the seat on my bike. These were the perfect fit and work just great. Now I can have my basket clipped on the back of my bike and still be able to sit on my bike seat.

Solid bracket with necessary screws for installation. Using these to install Ibera back rack bicycle touring for disc brakes and RinoWalk RK19662 panniers on a 2021 29" Trek Marlin 5. Rods that come with the back rack are round and fit into a round slot/bracket AND are 4" too short for level fitting. I read that placement of that round bracket would likely interfere with the standard 29" x 2.22 tire because of low clearance between the bottom of back rack with the provided bracket installed and top of tire. I didn't have to test that to see that it would, it's obvious; so this flat bracket is necessary. The back rack comes with 3.5" 'short leg" extensions which provides 1.25" clearance between top of tire and bottom of back rack. I found 5.5" 'long leg' extensions at bikePakMart for this back rack. This gives not only more clearance between the tire and back rack it also raises the bottom of the panniers an additional 2.0" from the ground. Don't want to dragging panniers thru the brush.

Heavier than many others. Worked well to level rear bicycle racks that had shorter mounts.

These X-long mounting arms did the trick. The mounting arms that came with my rack were too short for my Trek hybrid so I needed these. I did however reduce to four stars due to the fact I did have to order these so the rack would fit my bike. Longer mounting arms should be an option when ordering the rack. This way I had to pay more and I also have a set of useless mounting arms to discard.

I got the Topeak Super Tourist for Disc Brakes rear bike rack with the Topeak MTX basket. I'm on the tall side, and so the seat ends up being pretty far back...so far back that the basket (when installed on the rack) was bumping the seat. Even with the Tourist all the way back on the rails, the basket was too close to the seat. So, I order these longer rails. They work. I can move the Tourist back far enough that the basket is a safe 1-2" from the back of the seat. Unfortunately, the rack now slants downward toward the back of the bike. Not a lot...but it sure would be nice if I could increase the length of the rack's rear axle post so that the seat was (as recommended by Topeak) slanted slightly forward. Still...that's a problem with the rack, not with these extender bars. These bars will get your Topeak rear rack farther back. That's what they're for, and they work.

Ok, so this is a pretty simple item, right? But, often the simplest of things can be the worst quality. These two rails and supplied hardware were excellent quality and were a joy to install. And I’m sure they’ll last longer than the bike I put them on. So glad I went with the Topeka brand instead of the slightly cheaper no-name. Also, despite the description, these appear to be stainless steel.

I was having the hardest time trying to find a back rack to go on my women's trek bike and was about to give up. My husband had ordered the Topeak back rack for his bike and noticed that they offered extra long mounting arms. These worked great, and I didn't even have to use the full length. It took a little bit of work to bend them to the correct curve, the arms are not the easiest to bend. Now I have a sturdy rack on the back of my bike.

C est très bien

Exactly what I need to keep a Raleigh child seat on my bike. The manufacture rack came short in some bike model, especially small frame bike

Die Halter haben gut gepasst. Gut fand ich auch, dass genug und passende Befestigungsschrauben dabei waren

Just what I needed, easy to install.

I flattened the twist in these brackets to suit the small frame I was fitting them to. They are steel and did the job, but really, for the price they should have at least been stainless steel.