# Brokeneck Bikes
**URL:** https://tarck.cc/t/brokeneck-bikes/21263
**Category:** Bikes
**Created:** [November 23, 2016, 3:45pm UTC](https://tarck.cc/t/brokeneck-bikes/21263 "2016-11-23T15:45:27Z")
**Posts on this page:** 20
**Page:** 4
### Author:  [@anon3547885](https://tarck.cc/u/anon3547885)
#### Post date: [December 23, 2016, 10:15pm UTC](https://tarck.cc/t/brokeneck-bikes/21263/61 "2016-12-23T22:15:11Z")
I actually don’t know if the front is a standard lefty. I asked them like 5 times but couldn’t get an answer. I was also thinking about the Extralite Hypercamber, but it uses a bushing instead of a bearing??? I was also thinking about
Didn’t we already talk about those rims not taking 70-75 PSI? For the rear I’m actually thinking I’ll do a Stan’s Alpine on this bike.
I’m rethinking the Lightning, but only because, apparently, Garmin Vectors won’t fit on them. I’ve been getting serious about training, not so much for speed, but more for not wanting to fall over on a 15% grade.
Ashima rotors: All reports I’ve heard is that they are a-ok. Rob uses them a lot with no issues.
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### Author:  [@eric\_ssucks](https://tarck.cc/u/eric_ssucks)
#### Post date: [December 23, 2016, 10:32pm UTC](https://tarck.cc/t/brokeneck-bikes/21263/62 "2016-12-23T22:32:14Z")
Would 165mm cranks be a problem? is there something about that extra 5mm that’s critical? if you can run 165s then power meter and chainset options open up.
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### Author:  [@anon3547885](https://tarck.cc/u/anon3547885)
#### Post date: [December 23, 2016, 10:33pm UTC](https://tarck.cc/t/brokeneck-bikes/21263/63 "2016-12-23T22:33:32Z")
Not absolutely critical. I was going to ultimately dual 26" the Fujin. With a 26" wheel in front I need that 5 mm to avoid hard crank/tire interference. Ah, recumbents.
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### Author:  [@eric\_ssucks](https://tarck.cc/u/eric_ssucks)
#### Post date: [December 23, 2016, 10:37pm UTC](https://tarck.cc/t/brokeneck-bikes/21263/64 "2016-12-23T22:37:15Z")
Come on now, can’t you just use an 18mm tire?
😉
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### Author:  [@JUGE\_FREDD](https://tarck.cc/u/JUGE_FREDD)
#### Post date: [December 23, 2016, 10:47pm UTC](https://tarck.cc/t/brokeneck-bikes/21263/65 "2016-12-23T22:47:22Z")
There’s no fuckin way a Stan’s Alpine is gonna take more pressure, that’s one of the noodliest vintage disc rims
That Nextie 26" rim is labeled for 45psi because they’re assuming at least 2" tire, the forces are dramatically lower in a smaller tire. Reasonably fancy aluminum rims have similar limits, even a modern burly Stan’s rim rated for downhill is going to be labeled like that.
Given that you’re doing the build from scratch, I think this gets you the lightest powermeter result with the least asspain: [https://www.powertap.com/product/powertap-g3-rear-disc-hub](https://www.powertap.com/product/powertap-g3-rear-disc-hub)
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### Author:  [@akasnowmaaan](https://tarck.cc/u/akasnowmaaan)
#### Post date: [December 23, 2016, 11:00pm UTC](https://tarck.cc/t/brokeneck-bikes/21263/66 "2016-12-23T23:00:27Z")
> [@Recumbentist](#):
>
> Does anyone build custom carbon forks? I want a 20" carbon monoblade with a disc attachment.
Lamere?
> **[LaMere Cycles | Custom Carbon MTBs, eBikes, and Wheels](https://www.lamerecycles.com)**
>
> Factory direct carbon frames from the top Asian factories, American built with the best foreign and domestic components. We offer the world's best deal on high-end carbon custom bicycles and eBikes. We buy directly from Shimano, Sram, Fox, RaceFace,...
They make their own forks, and make it clear they customize. Maybe?
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### Author:  [@anon3547885](https://tarck.cc/u/anon3547885)
#### Post date: [December 23, 2016, 11:39pm UTC](https://tarck.cc/t/brokeneck-bikes/21263/67 "2016-12-23T23:39:43Z")
Not sure I’d buy anything from a company called Lame Recycle?
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### Author:  [@anon3547885](https://tarck.cc/u/anon3547885)
#### Post date: [December 23, 2016, 11:41pm UTC](https://tarck.cc/t/brokeneck-bikes/21263/68 "2016-12-23T23:41:40Z")
[quote=JUGE FREDD]There’s no fuckin way a Stan’s Alpine is gonna take more pressure, that’s one of the noodliest vintage disc rims
That Nextie 26" rim is labeled for 45psi because they’re assuming at least 2" tire, the forces are dramatically lower in a smaller tire. Reasonably fancy aluminum rims have similar limits, even a modern burly Stan’s rim rated for downhill is going to be labeled like that.
Given that you’re doing the build from scratch, I think this gets you the lightest powermeter result with the least asspain: [https://www.powertap.com/product/powertap-g3-rear-disc-hub[/quote]](https://www.powertap.com/product/powertap-g3-rear-disc-hub%5B/quote%5D)
Yeah I’d prefer a PowerTap but I need to be able to move the pedals from bike to bike…and they all have different sized wheels.
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### Author:  [@JUGE\_FREDD](https://tarck.cc/u/JUGE_FREDD)
#### Post date: [December 24, 2016, 1:11am UTC](https://tarck.cc/t/brokeneck-bikes/21263/69 "2016-12-24T01:11:38Z")
Won’t moving the pedals require calibration every time you swap them? Didn’t you want to use 2-bolt shoes?
Seems a lot easier to give each brokeneck bike its own appropriate PM without having to compromise on other parts. The PT hub is only $300 and 75g more than the King you were going for…
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### Author:  [@JUGE\_FREDD](https://tarck.cc/u/JUGE_FREDD)
#### Post date: [December 24, 2016, 1:29am UTC](https://tarck.cc/t/brokeneck-bikes/21263/70 "2016-12-24T01:29:42Z")
> [@akasnowmaaan](#):
>
> [quote=Recumbentist]Does anyone build custom carbon forks? I want a 20" carbon monoblade with a disc attachment.
Lamere?
> **[LaMere Cycles | Custom Carbon MTBs, eBikes, and Wheels](https://www.lamerecycles.com)**
>
> Factory direct carbon frames from the top Asian factories, American built with the best foreign and domestic components. We offer the world's best deal on high-end carbon custom bicycles and eBikes. We buy directly from Shimano, Sram, Fox, RaceFace,...
They make their own forks, and make it clear they customize. Maybe?[/quote]
Uh I see a lot of generic open mold chinese carbon marked up 3x, no forks, and nothing custom?
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### Author:  [@anon3547885](https://tarck.cc/u/anon3547885)
#### Post date: [December 24, 2016, 3:12am UTC](https://tarck.cc/t/brokeneck-bikes/21263/71 "2016-12-24T03:12:39Z")
[quote=JUGE FREDD]Won’t moving the pedals require calibration every time you swap them? Didn’t you want to use 2-bolt shoes?
Seems a lot easier to give each brokeneck bike its own appropriate PM without having to compromise on other parts. The PT hub is only $300 and 75g more than the King you were going for…[/quote]
Hmm didn’t realize powertap was so inexpensive. That might work well.
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### Author:  [@anon3547885](https://tarck.cc/u/anon3547885)
#### Post date: [December 24, 2016, 3:14am UTC](https://tarck.cc/t/brokeneck-bikes/21263/72 "2016-12-24T03:14:57Z")
Alas, unless you know something I don’t, a disc powertap is 700-800 dollhairs
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### Author:  [@eric\_ssucks](https://tarck.cc/u/eric_ssucks)
#### Post date: [December 24, 2016, 6:46am UTC](https://tarck.cc/t/brokeneck-bikes/21263/73 "2016-12-24T06:46:00Z")
Sure you need to “calibrate” the pedals, but I bet it’s a zero reset against a factory calibration curve rather than a calibration, so NBD. That PT hub looks like it’s $800.
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### Author:  [@Dr\_Jart\_Attack\_PhD](https://tarck.cc/u/Dr_Jart_Attack_PhD)
#### Post date: [December 24, 2016, 8:42am UTC](https://tarck.cc/t/brokeneck-bikes/21263/74 "2016-12-24T08:42:45Z")
> [@Recumbentist](#):
>
> Help me build this bastard. It’s basically a cost no object exercise since I’m converting no less than 6 upright bikes into 2 recumbents.
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### Author:  [@featherduster](https://tarck.cc/u/featherduster)
#### Post date: [December 24, 2016, 5:25pm UTC](https://tarck.cc/t/brokeneck-bikes/21263/75 "2016-12-24T17:25:21Z")
Working at a shop that did everything by the book with clients who required dependability, Vector pedals were a PITA for us–required a torque wrench to install too; Always tried to steer folks towards crank based power (Quarq or SRM) for dependability.
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### Author:  [@oogens](https://tarck.cc/u/oogens)
#### Post date: [December 25, 2016, 1:13am UTC](https://tarck.cc/t/brokeneck-bikes/21263/76 "2016-12-25T01:13:40Z")
unless we’re talking different ashima rotors, the ultralight ones I have are pretty shit compared to shimano rotors. worth the weight penalty. these sawtooth looking ashimas make my hydro shimano setup feel like rim brakes
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### Author:  [@JUGE\_FREDD](https://tarck.cc/u/JUGE_FREDD)
#### Post date: [December 30, 2016, 3:39am UTC](https://tarck.cc/t/brokeneck-bikes/21263/77 "2016-12-30T03:39:00Z")
Spent yesterday riding around testing this contraption, a lightweight touring version of Haulin Colin’s Shamu
Yes it planes, sometimes on multiple frequencies
Still needs a bunch of random shit implemented:
steering limiters for the captain so he can’t jam the linkage rod
chain management on the front with idler pulleys somehow
the stoker needs a corncob junior cassette and a barend shifter
the boom extension needs to be keyed to the collar and get internal dynamo wiring
chainstay/seatstay bridges for Wald fenders
custom mid-bike basket and pannier racks
The drivetrain also seems like it’s not quite feature-complete, the front is linked with a disc cog so singly-independent, the stoker can coast at any time. But if the stoker pedals they force the captain’s feet, and if either person backpedals they’ll backpressure the other.
It could be fully-independent if the captain’s chainrings were both on the right with a freewheeling crank, but getting all three chains on one side is a chore. Could bolt a chainring spider to the front DS hub flange? It’s also really easy to jam the middle shift on the Rohloff and be fucked on a climb, more independence doesn’t help avoid that but does make it much easier to get started again afterwards.
I couldn’t captain it as-is with the owner stoking, he weighs 80lb more than me and it was stupidly hard to get started with him on the front, especially with the front tire underinflated. It’ll be interesting to see how well we can tune the weight balance and steering to make that possible.
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### Author:  [@NOVELTYNAME](https://tarck.cc/u/NOVELTYNAME)
#### Post date: [December 30, 2016, 4:33am UTC](https://tarck.cc/t/brokeneck-bikes/21263/78 "2016-12-30T04:33:53Z")
Nope
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### Author:  [@akasnowmaaan](https://tarck.cc/u/akasnowmaaan)
#### Post date: [December 30, 2016, 10:10am UTC](https://tarck.cc/t/brokeneck-bikes/21263/79 "2016-12-30T10:10:47Z")
I’m seeing a buddy movie with you and Recumbinist in my head
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### Author:  [@lofarkas](https://tarck.cc/u/lofarkas)
#### Post date: [December 30, 2016, 11:24am UTC](https://tarck.cc/t/brokeneck-bikes/21263/80 "2016-12-30T11:24:47Z")
Tandem with the tiniest wheels man has ever seen? No thanks.
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