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4-Bolt Double-Ended Clamp

11 reviews
SKU: SMH273.1

An essential building block for anyone looking to tinker toy their way to recumbent success is the Double-Ended Clamp! The open-ended four-bolt setup means that installation is a breeze, because you don't have to remove other things from your tube. The high surface area of the Double-Ended Clamp's grip securely clamps into place, holding light accessories or mounts wherever you want them to be. These clamps measures 2" from the center of one clamped tube to the center of the other clamped tube.


1. What an odd shaped clamp. How does it work?

This clamp is designed to be a low clearance, medium duty clamp that's easy to install. That's why the ends are open- it gives you more room to get up close to things, and it makes it easier to install the clamp. The sides just pop apart and you put the clamp where you want.

2. What can I hold with it?

Any round, straight tube that is the right diameter. We an ever-growing library of clamp sizes. It's important the tube is straight for the 1/2 inch (12.7mm) where the clamp is attached. The tube can curve around in other places, but where the clamp is attached needs to be straight.

3. How strong it it?

The four-bolt Double-Ended Clamps are meant for most applications. It's definitely not designed for attaching critical things like steering components, heavy accessories, or exit assist handles. What it can handle strongly depends on the amount of leverage you put on it of course, so the overall design matters a lot.

4. Can I use it on things that aren't the "proper" size?

Unfortunately, no. For the clamp to grip well, it needs to be gripping something that is round, straight, and the rated size. Fortunately, that is usually possible.


  • Machined from 6061 aluminum, anodized black. Available in multiple sizes, be sure to use clamps sized exactly for the tubing you wish to clamp.
  • Simply remove both bolts, put the halves of the clamp around the tubes, and reinstall the bolts.
  • Fits nearly any place you would like to clamp two tubes so they are parallel to each other.
Customer Reviews
4.9 Based on 11 Reviews
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Max S.
United States


Moved a T-cycleside bag mount from my wife's Trident Trikes 20"Fat Terrain, to her ICE Adventure HD 26FS with Shimano Stepps and Alfine 8 speed w di2 Auto Shift seat frame is 1" on the ICE so need the1to7/8" clamp to make the switch happen ! Received in 3 days, now my wife's Adventure HD is sporting a T-Cycle side bag mount w/Topeak Handlebar Bag !

Bill W.
United Kingdom United Kingdom


These are to support a Windwrap fairing on my Bacchetta Corsa. As I've now come to expect, These were machined & finished perfectly; TerraCycle products have always lived up to my very highest expectations!

Philip S.
United States United States

Worked fine on chance--lack of critical spec

I purchased two of these to move the cockpit accessories on a Greenspeed X7 toward the cranks because the e-brake handles from Electric Bike Outfitters were much bigger than the original brake handles, and I kept scraping my knuckles on the tires when in a tight turn. I sometimes have a hard time when specs are missing from the description, in this case the center-to-center distance between the pipe positions. I tried to scale from the pictures but somehow got it wrong, It is in fact about 2". In any case, they worked fine and are well made. In order to use them for additional offset in addition to the special one from Greenspeed (necessary to attach to the 15mm diameter kingpins), you will need short pieces of 7/8" diameter pipe, either purchased from T-Cycle or maybe if you like the custom-rigged look, a piece of thinwall conduit.

Robert W.
United States United States

Quality product

Works perfectly. Very well made.

Howard S.
United States United States

Very helpful friendly first of all people tell me what I needed got me what I wanted

Necessary accessory from time to time good idea to have a couple of them