What on earth was the 3D printing needed for? If he didn’t want to buy the factory trolley, why not take a block of wood, aluminium, steel, brass, plastic, or a particularly sturdy piece of stale bread and drill 3 holes in it?
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Was wondering what the 3d printed doohickey does better than a piece of oak as well
We have a unistrut storage system like that at our community shop. It doesn’t work great in that application since it gets too overstuffed to move anything around. Would love it for my garage!
Never put in too many to have a gap open enough for the widest bars. Seems not hard
It’s not hard in theory. In the practice of a volunteer run bike shop with folks of varying skills and abilities, and wildly insufficient storage it’s a bit harder to manage.
suns a guns like $25 each tho. plus you need machine thread hooks (seemingly only park makes these, but they ain’t that that bad), but unistrut is for sure badass. i had two bikes upside down hanging from the ceiling at my old compartment- nothing else would have got r done
You can get cheaper ones like this for like 16/ea on eBay.
Fire up zap gun and attach any kind of hook I want to it.
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are those single-sided, ie they could function as sliding door hardware, or sliding panel hardware for pin walls?
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Pretty sure they have 4 bearings.
Or just get an s hook?
Any kind of hook, it just needs to be steel and be coated in something to avoid scratching rims.
You can always use plasti dip if it’s not coated too
Hydraulic hose: what are the relevant criteria when selecting hose?
outer diameter?
inner diameter?
pressure rating?
material selected?
intended fluids to be pressurized?
or, more simply, is it a fool’s errand for me to try to find hose for a bike brake setup based on these (or other relevant) properties instead of just buying what’s available from Shimano or Jagwire?
I ask because of a conversation in another thread about the range of hose available, and a quick look on the information superhighway suggests that there may be a lot. What I’m not sure of is if it’s like using generic strapping tape in place of Stans rim tape, or if there are enough particular qualities being selected for by a manufacturer that one ought to just stick with what they or a reputable aftermarket parts maker is selling.
Inner diameter seems to be the big factor. I’ve tried both the new flavor and old flavor of Shimao hydro hose with my XTR calipers and 685 levers. The new one has a narrower ID, iirc, and the levers felt more stiff with less lever travel. The old one has a greater ID and there is more lever travel and (to me) more modulation as a result. I also think the consideration about diameter is relative to the lever reservoir size. Besides my experience with the two hose types, this is all based on reading various internet BS tho.
This is my intuition too, but I’m thinking back to high school physics and am wondering if there’s a consideration for pressure rating of the hose itself. As with most things bicycle, I suspect that hydro brakes are in the “barely industrial” level of use intensity / force. Kinda like how ceramic bearings are pretty useful when you’re spinnning something at 100000 rpm, but aren’t that important at 90 rpm. So it’s possible that you could just use those wacky twisty straws fast food places used to give kids and be fine, but I want to make sure before I just use aquarium air tubing to carry braking force on my 90lb cargo bike
pressure rating and fluid/material compatibility are minimum safe requirements. ID is potentially tunable to affect lever feel and feedback, though the relationship between the master and caliper piston is much more important. OD is a result of the type of hose and mostly matters for fitting choice and where the hose fits on the bike.
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right, you’re moving the same amount of fluid.
yeah, the only way ID itself matters is if the ID is so small that the viscosity of the fluid starts to affect lever feel
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I thought the only difference in Shimano hoses was rigidity, with the road stuff being more flexible since better modulation and more sensitive to resistance during bar turns or something. I think saint has the stiffest hose for a super direct feel over the length needed for a dh bike (like the hose itself is more reinforced to prevent expansion)
I might be making that up tho
So basically any hose with the right outer diameter and pressure resistance is good? This opens things up nicely
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