BarkMau wrote:One of the goals of the project is to make a bolt-on solution; which means, no cutting and no welding at least on the main frame. I am confident on the way I linked the shock to the frame (custom plate which bolts on the brake bosses).
veloman wrote:Mine works well, has a decent air shock. I just don't like the sluggish handling, and weight. I was thinking of converting it to semi-rigid so I can load cargo on the rear triangle.
Would that be a regular bmx type rim?
gogo wrote:BarkMau wrote:One of the goals of the project is to make a bolt-on solution; which means, no cutting and no welding at least on the main frame. I am confident on the way I linked the shock to the frame (custom plate which bolts on the brake bosses).
Its good that you're aware of the need to have confidence in the shock absorber/spring mounting. That short shock is pressing into the center of the long tubes that are your stays, however. The stays will be subject to a repetitive flexing for which they aren't designed.
A much better point of attachment would be in a way that transfers the force to the junction of the top tube/seat tube/rear stays. A longer motorcycle or moped shock would span that distance, have better damping, and most have a five position spring preload adjustment. They also come in about any length you'd need.
spinningmagnets wrote:Would that be a regular bmx type rim?
John in CR wrote:Since you're likely to load it down, make he rear a 20" and put the hubmotor in it. That will give you lower gearing and better all around performance. I hope that caster is rated for 400lbs or more, because it looks kinda thin to me.
dogman wrote:AW had spoke problems with 20" wheel. Radial laced But that was a stock 9c rim and stator I sent him. Surely it can be done stronger.
BarkMau wrote:fat 20" on cast rim seems bullet proof. Right now I'm looking at Michelin gazelles 17x3.0 on moto wheels which should come a bit under a 24" bicycle wheel size. we'll see how that turns out.
spinningmagnets wrote:With the frankenbike longtail, it would seem to me that's it's easy to rotate the swing-arm rear downwards (via the shock mount location, or adding spacers) to dial-in the pedal-height?
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