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After the related discussion about whether or not to continue upgrading my Rover or upgrade to a different bike, It became apparent that over the years, several people have tried to produce an upgrade path for the Rover. There are several good reasons for this. You can attempt the internal hub up front, which has pros and cons I won't go into. I wanted the external front derailleur, which requires a trike post.
As I mentioned in my prior discussion, I purchased a trike post from Utah Trikes but didn't like their design. They no longer sell them. I had a dozen of my own design fabricated at a local metal shop where my brother in law worked. I installed the post years ago but for various reasons didn't put the front gears on until a week ago. Viola! Problem solved. For me anyway.
In the other discussion, I found out that some other folks have been working on a similar contraption, but I haven’t seen any photos of what they have produced, nor have I seen any details on what they cost, or how to get them. For folks who were not part of that discussion, I was hoping we could put all related information into this post, so that anyone who is looking to upgrade their Rover with a triple can see what we’ve done and possibly purchase one if we have them available. At the moment, I still have seven collecting dust. I don’t know if there is a huge interest in purchasing them.
Once mine are sold, I probably won’t be making any more. Even though I didn’t do the labor, it’s still a time consuming task to order the right materials and components, get the materials to the fabrication shop, review the design specs, follow up to make sure they are building it correctly, and pick up the product when it’s done. I’m also not overly fond of packing and shipping products, and the profit margin is pretty small. They cost me almost $60 each to produce, and I don’t think the market can support a price tag over $70. $70 + shipping is what I’m charging.
I think if Terratrike took an interest, they could probably get these made in China for a fraction of the cost and sell them for a higher price tag with their engineer’s stamp and their name on it, but I’m guessing the market isn’t big enough for them.
At any rate, this week, I started installing one of my posts on my wife’s trike. I'm reposting a few of the comparison photos from the previous discussion, along with a play by play on how I install my version:
The Utah Trikes version had a hole in the front and the back for you to put your Allen Wrench through, so you could bolt the post down to the Rover. My design (the silver one) uses a different method to get the bolts in place.
Now this is how you install my version:
Remove the bottle cage holder:
Put the plastic spacer in place:
Put the trike post on and slide it forward so you can get the bolt screwed in. Don't make it tight.
When you have the bolt almost all the way down, slide the post into the correct position:
Get everything aligned and tighten it down. I added a washer on the second hole to help the bolt:
Remove the old crankset, put on the new crankset, and add all your cables!
This is a "mount-at-your-own-risk" process, which assumes you know a little bit about bike mechanics. Undoubtedly a local bike shop could help you.