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Add an inner chainring to the existing crank... Move the E ring to the other side of the crank spider, add another ring to the inside, plus a front derailleur and a left hand shifter. You may need a set of 5 2mm chainring spacers. The crank bolt circle diameter is 110mm; the smallest ring you...

You'll need to extract the bolt... ...or buy a new headset, as the collar is not available separately. Actually, this headset had disappeared from the retail world, but I finally found it: http://store.bikefriday.com/index.php?cPath=200 The top collar is a slightly different...

http://richmond.craigslist.org/bik/3831794496.html Low top tube, can be changed from 24 to 26 inch wheels with a little ingenuity... Downside is it's probably steel, so the finished bike may be in the 45 lb range. But this is the goemetry you're looking for.

I, Too, am intersted in electrification... Over the past year, I've done a lot of work based out of Shenzhen, China. It's a city of 10.6 million that was only 350,000 in 1982. Traffic density is massive. Internal combustion engine motorcycles, scooters and mopeds are outlawed by local...

Tandem frame conversions... I have been wanting a Cruzbike tandem for some time. We have a Vision R82, but the drivetrain is 10 miles long and pretty inefficient, and the bike is over 9 feet long - I don't have anything that will transport it anymore. I have considered building a compact...

Pretty cool... I like it.

Pacific and other brands of this type... ... are essentially holding companies, buying off-the-shelf designs produced mostly in China. If you look carefully across the Walmart, Target and Toy-r-Us websites you'll see the same few design over and over again with different brand logos on them...

These may also be of interest... http://www.paulcomp.com/chainkeepers.html

Check your chainline and dimensions... Use a yardstick or carpenters' square to check the alignment of the chainring and center cog of the cassette. These two gears should be pretty close to perfectly aligned. This alignment is changed by using a longer or shorter BB axle, or by shimming...

Kickstand Solution I solved the kickstand issue on one of my conversion bikes by attaching it to the front fork. Since it keeps the front end from rotating, the arrangement is very stable.

Deore HB M525A - So you fitted a 135mm OLD drive hub? Did you have any issues fitting it?

Thanks, BillyK... I'll be alright here. ... I don't want to hijack this thread completely (my nettiquet isn't great). So I have been gathering pictures for a blog post about this. You're right, it's "everyone for themselves"... but John has a good angle on how things actually work...

Doing these modifcations is usually my role... ...And when I get a Silvio 2.0 it's probably one of the first things I'll start on, that and developing a parts kit for disc brakes. I was sorry to see my 1.5 go; it was a prototype for "short people" frame and front triangle changes, which...

Good post, Jeff... It always helps us when customers post extensively about their experiences with our bikes. It's also very exciting to see forum members post well-researched and correct answers to questions. Much of what Cruzbikes are today is the result of incorporating owner...

Hard to find... These have become very difficult to source. The one US stockist I had, Gaerlan Cycles of SF, has deleted this from their catalog. There are other products that do the same thing. The Problem Solvers Micro-Adjustable Headset Spacer...

Seat Pan Screws 6mm x 1.0 Pitch x 20mm length button head allen screws. 16mm length originally supplied; 20mm is easier to work with.

Not that this is welcome news at this point... But as far as I know, all DualDrive hubs are configured for disc brakes. I could be wrong, but I've worked on a few of these. There is a plastic cover mounted in the disc bolt holes to cover them and improve cosmetics if you choose to use rim...

26" wheels in 24" frames I've done this with every Tiara frame I've used. (Tiara's are all 24" (ISO 507) bikes). One of John's early conversions for his wife was done this way, and that was an excellent bike. If you can adapt the rear brake mounts or use an alternate rear brake, it...

I'm here... ... to follow up on the issues that come from being a small company and having such an aggressive R&D curve. John designs (and is doing a helluva job I might add) and I provide follow-up on the back end to make sure things work for you, the customers. I have some experience in...

And... There are no dumb questions. We get a lot of ideas and information from questions that are routinely labeled "dumb". We do, occasionally, however, provide dumb answers... ;)