Hope Prototype cranks spotted!
- Thread starter Trekrules
- Start date
Wow, gorgeous.
that's pretty hot.
Love the Mill Work on their products!!! So clean.
Cecil
Cecil
That is damn hot! Looking forward to hearing more info.
also... is that a hope chainguide??
Very reminiscent of some other gold blinginess . . .
those are so tight
dude its a crank how many shapes can you have?Very reminiscent of some other gold blinginess . . .
I think that was my point . . . .
looks smaller then 104bcd
haha my bad, Im so use to people saying "oh man it looks like a sunday" crap.
Oh my...
They look like RF, but they will actually stay on because they have a pinch bolt.
I'm thinking they must be BB30 with that aluminum spindle.
That one piece spider looks like it could take a hit too.
They look like RF, but they will actually stay on because they have a pinch bolt.
I'm thinking they must be BB30 with that aluminum spindle.
That one piece spider looks like it could take a hit too.
Thats pretty damn sick... Digin the custom shain guide upper, cranks and ring... Very nice detail on the cranks...
Always did dig good machining here we go BACK, WAYYYY BACK... LOL (ok not too far back
) Kooka cranks...
Always did dig good machining here we go BACK, WAYYYY BACK... LOL (ok not too far back
) Kooka cranks...
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i managed to snipe a set of kooka's off some donated bike we got at the shop, no one else in there that day knew what they were, i was drooling
What is about raw metal that always makes something look tougher?
Hopefully they're CNC finished from a forging, not from Billet like the Kookas. Seems the aluminum chain guide would be LOUD.
Kookas are still my favorite of all time. Mine are forged I think? I've worn them out though, square taper hole got bigger and bigger. 
Anyway, the Hopes are dope. And you know there will be lots of color options.
Anyway, the Hopes are dope. And you know there will be lots of color options.
The good: Retention/securing system like shimano. Thank god they see that as important. It's simple and not prone to wearing out/creaking like the truvativ/raceface/etc press-fit-interface.
The "meh": I-beam cranks (at least has a pretty cnced finish). Kind of like where race-face was 10+ years ago, a few manufacturers BESIDES shimano these days are now doing hollow metal cranks, along with a few others doing carbon fiber. Not that we need carbon fiber cranks, but the ole i-beam tends to be heavier for the same level of strength and stiffness compared to a hollow-forged design.
Still, pretty. Can't complain about any of my hope stuff.
(yes, there were forged kooka cranks, there were also ones CNCed completely from billet, I think those came a little later. I had some kookas and eventually bent them, but they were cool for a while).
The "meh": I-beam cranks (at least has a pretty cnced finish). Kind of like where race-face was 10+ years ago, a few manufacturers BESIDES shimano these days are now doing hollow metal cranks, along with a few others doing carbon fiber. Not that we need carbon fiber cranks, but the ole i-beam tends to be heavier for the same level of strength and stiffness compared to a hollow-forged design.
Still, pretty. Can't complain about any of my hope stuff.
(yes, there were forged kooka cranks, there were also ones CNCed completely from billet, I think those came a little later. I had some kookas and eventually bent them, but they were cool for a while).
I think Kooka and many others were machined from billet and occasionally snapped. RaceFace was different in that they were forged, then cnc finished. They had a much better reputation for durability. Something about grain alignment.
P.S. Is a billet of aluminum made by pouring liquid into a mold (casting)?
P.S. Is a billet of aluminum made by pouring liquid into a mold (casting)?
Good eye-it does look that way, but it's a bit harder to tell with the oversized spindle... But it would make sense- aren't these guys making a stepped freehub body for a smaller rear sprocket as well? I'd be stoked to be able to run a 30t up front as a 1x10 set up!
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Didn't these have a back plate bolted on so they were "hollow"? I remember that crazy mono tube bmx frame they came out with, and Dave Young testing it by catching his rear peg on a street sign at about eight feet up, man that was gnarly!Jad Cranks had these on 20" bikes and a few MTB's sick machine work.
The version I had had big holes drilled in the back. They ere like 8mm or maybe even 10mm in size and about 3 across.
Buy Hope!!!!!
Sorry it's been a while
Sorry it's been a while
Hope sucks. Yeah its been awhileBuy Hope!!!!!
Sorry it's been a while
Technically, yes, billet is cast. But what people are calling 'billet' that they are machining pieces from are probably most often extrusions.
Looks like a 30t chainring in those pictures, and a 30t wont fit on 104 BCD so its definitely a smaller BCD, probably to work well with their 9-(whatever?) cassette/freehub body. Also my face when i saw the cranks.
The retention system on these is a win. Like the looks too.
By that definition, then all aluminum is cast at some point in it's life cycle.
Oh yeah, I forgot that billets always have marks on the end, looking like they were cut from an extrusion. Wouldn't that extruding process have the same beneficial effect on grain alignment that forging has? In either the case of CNC'd from billet (Kooka, Cook Brothers) or CNC'd from a forging (Race Face & every new crank), you're still putting a machined finish on a chunk of aluminum that was squeezed. Is a forged/CNC'd crank really stronger or was that just RaceFace marketing?
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Forged in theory would be stronger. The alum is pressed under extreme load and the mold is punched out. Where cnc'd from billet is carved out of a chunk of alum.
Wish they would offer up the team green color to the masses.
I bet you are correct here...Because like you said a 30t won't work, super compact drivetrains are sick...I am all for this.
I think they are 29er cranks so it can run a 30T middle chainring
The Hope site states that its a 32t chainring but looking at the pic of their ring and a 32t 104BCD ring that I have here their's does look like a smaller BCD. Great...more stuff to want...
i've got a set of kooka cranks floating around my parts bin.
That is a 32t ring in the picture.