Step 5: Slide basket to Extended position and drill wire-lock pin holes.

Remove the wire-lock pins and slide the basket to extended position.

You'll note that the further back you slide the basket, the more it wants to pull down. You are looking for the magic spot - long enough for your envisioned load, yet still balanced with the runners. When you find it, drill through the inner runner rail at the point of the existing hole on the exterior runner rail.

Slide the wire-lock pins in and give it a shake.

"it's a bit shakier, but it ain't goin' nowheres," you should be saying.

Feel free to refer to the extended basket as "X-wing position."

I did something similar to add a milk crate to the back of my bike and I have an important warning. I had about 4 pounds worth of stuff in the crate and that was enough to throw off the equilibrium off the bike. I fell twice, the last one, injuring my knee and almost getting run over in the process. I have been riding for about 30 years and am an avid mountain biker. I think that it is safer to either wear a small back pack or saddle bags where the weight is further down in the center of gravity. Be very careful. Good instructable though, thanks for offering it.
to help keep smaller items in the basket, when you're not carrying the yoga mat, you could keep the cut-out end, trim off the "poking-out" bits, and re-attach the bottom with zip-ties... fold it down and in so it lies flat when you want to carry the yoga mat, and flip it up and secure with bungees (weaving in and out) or something else, when you want to carry groceries, etc.
I love it! Been looking for a rear basket and can't find anything that's not made of wire that's close to the flexibility of string, or not uber-expensive. Will implement this asap!
This excellent idea will be very useful to me. Much appreciated. Vic
awesome rack :)
Well done. I never thought of the wire cart business. That was very innovative and to the point. Trailers are bulky and take away from the quick parking advantage of cycling. I use to live in a bike city, and had the option of carrying the premier chain lock or the premier U-Lock. Both cost nearly $100, and the chain was more flexible solution. But it was a pain to carry. And it seem to take forever to lock to something. I used the U-Lock, which was no slouch in both weight and protective factor. It was very quick to lock the bike. The point of that diatribe is that convenience is one of the best parts of biking. I love trailers, but finding a place to park a bike attached with one is problematic at times. Your solution is efficient and elegant.
Fantastic! I agree with rocknroll, please take on the project of a trailer. I would like to see what you would come up with. They are way too expensive to start with. I have found a kit to start with, but I can't decide where to take it from there.<br/><br/><a rel="nofollow" href="http://www.wicycle.com/trailer.htm">http://www.wicycle.com/trailer.htm</a><br/><br/>Good luck and great build.<br/>
one more idea for even more stuff! make a trailer for her! i have two designs on here and they are awsome, but your basket i like more than my rack on my bike and its cool how it expands. but is there a way to do it without buying a brand new rack for scrap?

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