Adds a second accessory mount to any Unior 1693-series classic repair stand made after July 2014. A quick-release lever clamps the collar anywhere on the stand's upper tube, so an extra tool tray or parts organizer rides at whatever height suits the work. Ships with bushing, cover, and fixing bolts.
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Forged in Zreče, Slovenia since 1919. Sponsors professional road and mountain-bike race teams.

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The Repair Stand Tool Tray Collar 1693.16 is the add-a-mount-point accessory that lets a single 1693 series shop stand carry a second tool tray, a parts organizer, or another column-mountable accessory beyond the one mount point the stand ships with. The collar clamps around the stand's upper sliding tube and locks with a quick-release lever, so the second mount can be raised, lowered, or repositioned to suit the day's work.
What it solves
Every 1693 series stand comes set up to carry one tool tray (1693.3-US). That's enough for most home garages and most one-tool-tray service workflows. The 1693.16 collar is the answer for shops that have grown into a workflow where one tray isn't enough, and the second tray or parts organizer needs its own place on the stand. The collar mounts the addition at whatever height and position the mechanic chooses, then locks in place with the QR lever; no drilling, no modification of the stand itself.
How it mounts
Fitting the collar is a one-time, drill-free job: open the stand's upper quick-release lever, loosen the two M6 hex bolts, and pull the upper sliding tube out of the frame. The collar, its plastic bushing, and its metal cover slide onto the tube past the bottom-out rivet, and four M3 bolts fix the cover to the collar. The tool tray or other accessory then slots straight into the collar. To reposition, release the lever, slide, lock again. Removal reverses the install, so it makes sense to leave the collar mounted and use the lever for day-to-day height changes.
Compatibility
Fits all Unior 1693 series classic shop stands manufactured after July 2014. That covers the Single Arm Pro Stand, the Double Arm Pro Stand, and the BikeGator portable family. The collar is not used on the 1693EL Electric Repair Stand (which has its own column-mount accessory line).
Specs
- Article number: 1693.16 (SKU 629065); weight 173 g
- Compatibility: Unior 1693 series stands manufactured after July 2014
- Mount: slides onto stand upper sliding tube; quick-release lever locks position
- Accessory interface: accepts the 1693.3-US tool tray and other stand accessories
Includes: tool tray collar with quick-release lever, plastic bushing, metal cover, and four M3 fixing bolts.
Built in Zreče, Slovenia
Unior has been forging hand tools in Zreče since 1919, and sponsors professional road and mountain-bike race teams. The collar is the kind of catalog item that exists because the stand is a long-lived workshop fixture; the workshop grows around the stand, and the stand's accessory load grows with it. The collar lets the stand carry more without requiring drill-and-modify changes to the stand body, which is the practical benefit of buying accessories from the same maker as the stand.
Pro tip from our mechanics
The collar is a low-cost accessory that buys real workflow margin once you're past one tool tray. In our experience shops reach for it once the original tray has filled up and the natural next move is a second mount surface. The 1693-series stand the collar bolts to is a long-term workshop investment; the buying guide covers the manual-versus-electric and single-versus-double-arm decisions if you're sizing the stand first: How to choose a bike repair stand →
FAQ
Which repair stands does the 1693.16 collar fit? It fits every Unior 1693 series classic repair stand made after July 2014, which covers the single-clamp and double-clamp Pro stands and the BikeGator family. It is not used on the 1693EL electric stand, which has its own accessory line.
Is the tool tray included with the collar? No. The box holds the collar with its quick-release lever, a plastic bushing, a metal cover, and four M3 fixing bolts. The tray is sold separately; the collar accepts the same 1693.3-US tool tray the stand carries on its standard mount.
Does installing the collar mean drilling or modifying the stand? No drilling and no permanent changes. You open the upper quick-release lever, loosen the two M6 hex bolts, and pull the upper sliding tube out of the frame; the collar, bushing, and metal cover slide on past the bottom-out rivet, the cover screws to the collar with the four M3 bolts, and the tube goes back in the frame.
Can I move the collar after it is installed? Yes, without tools. Open the quick-release lever, slide the collar to whatever height on the upper tube suits the job, and close the lever to lock the mount in place.
Tech Tips
How to choose a bike repair stand for your workshop