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PostPosted: Sat Oct 21, 2017 9:50 am 
98+ BoTM Winner / Gold Trader
98+ BoTM Winner / Gold Trader
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Joined: Tue Feb 14, 2006 9:58 pm
Posts: 3532
Location: the Netherlands
Sweet machine, love the EWR inspired look. The upgrade to Onyx is a good decision (you know you can have a custom logo on it for free too?). The Onyx hub makes the drivetrain more direct as well. It virtually takes the second freewheel away as the engagement is 100% direct.
One question, why no belt?

ps, my machine:

Image


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PostPosted: Mon Oct 23, 2017 6:43 pm 
retrobike rider
retrobike rider
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Joined: Tue Jan 29, 2008 11:04 pm
Posts: 2019
Location: A wretched hive of scum and villainy...
Hi, Y-E,

Nice frame....and good to see some sensible XC geometry (72.5/71º). not all the long and slack 74/65º stuff.
I made a Ti frame a few years ago running an Alfine hub, like your Antelope model, but I now much prefer the central mounted weight of the Pinion. Are you using the PMW Ti Pinion bridge, or do you make them yourselves like the chainstay yoke?

Yes, I am really liking the direct feel of the Onyx hub and the silent rolling.
I would have tried a belt, as I have the sprockets etc, but I did not have a mill and lathe to fabricate the seat-stay splitter at the time of building and I couldn't find any ready-made ones as framebuilding parts.
I have now have the machine tools and some suitable 7005 billet, so the next frame will have a a splitter and a belt to try out.

All the best,


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PostPosted: Mon Oct 23, 2017 7:07 pm 
98+ BoTM Winner / Gold Trader
98+ BoTM Winner / Gold Trader
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Joined: Tue Feb 14, 2006 9:58 pm
Posts: 3532
Location: the Netherlands
danson67 wrote:
Are you using the PMW Ti Pinion bridge, or do you make them yourselves like the chainstay yoke?

All CNC parts on our bike are own design, from the cable guides to the Yokes, drop-outs etc. Gives a lot of satisfaction to work with your own "lego box" of parts :D Lucky to have an in house designer that likes to freak out on the smallest details. :mrgreen:


danson67 wrote:
Yes, I am really liking the direct feel of the Onyx hub and the silent rolling.
I would have tried a belt, as I have the sprockets etc, but I did not have a mill and lathe to fabricate the seat-stay splitter at the time of building and I couldn't find any ready-made ones as framebuilding parts.
I have now have the machine tools and some suitable 7005 billet, so the next frame will have a a splitter and a belt to try out.
All the best,


Yup, the specific tooling requires some dedication to make .... or €'s to buy :facepalm: but the reward of being able to have your "Solid Works" and "Metal Works" combined is worth it.

You'll love the belt as it makes the drive train even more direct and silent.

Thumbs up for your creations, like your style!


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PostPosted: Fri Oct 27, 2017 12:38 am 
Devout Dirtbag

Joined: Thu May 26, 2011 6:03 am
Posts: 125
Location: Singapore, formerly Luton
How much are the gear units running to ?
This should be the way forward.


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