How-To: Mechanical This section is ONLY for sharing step-by-step instructions on how you did a project. Please post tech related questions in "General Tech". Adherence to this policy will be strictly enforced by the staff ...

How To: Ground Anchor Install

Old 05-16-2013, 06:47 PM
sluijs01's Avatar
Senior Member
Thread Starter
Join Date: Oct 2007
Location: Ohio
Posts: 195
Default How To: Ground Anchor Install

Ground Anchor Install

Decided I liked the idea of a flush in ground floor anchor (similar to Y anchor - the Ultimate Motorcycle Security Ground Anchor) but didn't want to deal with that price tag. After a few suggestions from others here on the forum I decided to make my own in my garage floor (note, I did this 2 years ago, so I may list some stuff wrong).

Started by going to a muffler shop around the corner from my house with my OnGuard chain I wanted to fit through it, and tested it through some pipes and landed on the 2.5" diameter since I thought it would still fit through even after slightly crimped by the bending.

Decided on how deep I felt like digging and chopped off the ends to make it flush with the ground
Name:  S5001064.jpg
Views: 83
Size:  88.0 KB

Not the straightest line ever, but I was able to level it out when suspending it in the quikrete.
Name:  S5001071.jpg
Views: 63
Size:  90.2 KB

Ground down the edges (safety first!).
Name:  S5001074.jpg
Views: 64
Size:  130.4 KB

Marked off where I wanted it and started drilling an outline. I was cheap and bought crappy Harbor Freight drill bits, but they worked.
Name:  S5001076.jpg
Views: 64
Size:  188.1 KB

Circular saw helped speed it up a bit, but this was a long slow process every evening after work.
Name:  S5001080.jpg
Views: 80
Size:  111.5 KB

Cut down some, then drilling hammer & cold chisel. Repeat.
Name:  S5001083.jpg
Views: 34
Size:  189.0 KB

Broke through finally! I think it was about 4"-6" thick before the gravel. Had to cut through the metal lattice structural mesh.
Name:  S5001095.jpg
Views: 58
Size:  219.3 KB

Good fit.
Name:  S5001099.jpg
Views: 57
Size:  190.3 KB

Name:  S5001104.jpg
Views: 63
Size:  165.2 KB

by 3.5"
Name:  S5001105.jpg
Views: 76
Size:  124.9 KB

by 12".
Name:  S5001103.jpg
Views: 32
Size:  103.0 KB

Rig for suspending while quikrete set.
Name:  S5001115.jpg
Views: 29
Size:  166.5 KB

Stuffed a bit of newspaper in the ends and filled with some extra GreatStuff foam I had to keep the quikrete out.
Name:  S5001124.jpg
Views: 29
Size:  139.5 KB

Decided to use bonding cement on all the concrete surfaces. May not have been necessary but it's not like it increased the cost much at all.
Name:  382793f8-ef20-44f5-af9c-275b8c184ba1.jpg
Views: 47
Size:  410.0 KB

Put rebar through the base at some point for extra paranoid strength (hopefully), but for some reason I don't have pictures of it. I did drill a hole straight through the pipe so that any collected water/moisture coudl drain straight through. Covered the top hole with duct tape.
Name:  S5001120.jpg
Views: 29
Size:  115.7 KB

Filled it up.
Name:  0f017f3c-cad0-4bd6-a91c-8262d75d4535.jpg
Views: 31
Size:  557.6 KB

Kept it covered.
Name:  c825297e-78ed-4f60-8ac5-3ec5a71c7482.jpg
Views: 27
Size:  521.6 KB

Finished product. Chain took a little bit of coaxing to get through, but wasn't an issue.
Name:  8c25c08c-9971-4630-8ecd-08198867c872.jpg
Views: 24
Size:  648.0 KB

Name:  3a947612-d2ae-4cf1-929e-f76c657eb4ac.jpg
Views: 48
Size:  471.5 KB

General cost breakdown.
Name:  Itemized_Cost.png
Views: 34
Size:  13.5 KB

Final thoughts. Honestly, this wasn't necessary at all. I traveled a lot for work at the time (gone for 1+ month at a time) and I wanted to convince myself my bike was safe the entire time even though it was in a good neighborhood inside my locked garage. If someone wanted the bike, they could still steal it (spend time cutting chain, remove rear tire, etc). I also know that since the chain rests on the ground, it just gives the thief more leverage to cut it against.
I had initally wanted to come up with some clever caps I could put on each hole when my bike wasn't there, but it never happened, and since I locked it there 90% of the time I never needed it. Plus, being flush with the ground, I never had an issue driving a vehicle over it since I set the tip a hair under the level of the concrete.

If you're paranoid, try it. It could deter someone, otherwise I think you can spend your time better.

Link to full album with lots of pointless pictures: Ground Anchor Photos by sluijs01 | Photobucket
Related Topics
Thread Starter
Last Post
General Tech
10-15-2011 05:58 AM
General Tech
08-13-2011 09:22 PM
General Tech
05-08-2011 04:38 PM
Off Topic
01-28-2008 11:18 PM
CBR 600F3
06-20-2007 02:48 PM

Thread Tools
Search this Thread
Quick Reply: How To: Ground Anchor Install

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

© 2019 MH Sub I, LLC dba Internet Brands

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to and affiliated sites.