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21
Member's Gallery / Re: Simeon's ride photos
« Last post by John Saxby on August 15, 2018, 12:08:38 AM »
Super photos as always, Simeon!  Love the geese -- but they seem unnaturally (i) clean, and (ii) placid.  Or maybe they're just ultra-domesticated?  Though our flock on the farm, all those years ago, were s'posedly domesticated, but in fact guarded the front yard.  Our Canada geese on the river here have a rep for being tough customers, territorial in the extreme.
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Transmission / Re: Which missing links fit the KMC X8-xx and KMC X1 chains?
« Last post by Andre Jute on August 14, 2018, 10:34:29 PM »
Thanks for that, Dave. Therefore an engineering reason to do with the transmission configuration of other classes -- than touring bikes -- for which Rohloffs are also marketed.
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Non-Thorn Related / Re: Soliciting Suspension seatpost recommendations
« Last post by Danneaux on August 14, 2018, 08:34:05 PM »
Quote
There is this one, it seems a good compromise with 5cm of clearance, available for long travel model : http://byschulz.com/komponenten/sitzkomfort/parallel-gefederte-sattelstuetze-g2/
Julien,

I have not used the Schulz 'post, but a friend of mine in Germany purchased this seatpost and reports he has been very happy with it. No problems at all after a year of use.

I have not seen or used the Redshift seatpost, so I have no experience with it I can pass on to you.

One potential issue for non-Thudbuster parallelogram seatposts is whether the saddle rails will clear the linkages at the front through the whole range of available travel. I know some fitments of Brooks saddles on the SunTour seatpost result in an initial interference and "clicking" sound until the edge of the aluminum seatpost link wears(!) away. It seems this might initially limit travel as well. Our own Forum member StuntPilot has noticed this and so far as I know, remains very happy with his SunTour parallelogram suspension seatpost even after extensive use.

I do like the idea of adjustable springs, but I don't have personal experience with them.

I made (they are relatively easy to construct if you have machining tools) a telescopic suspension seatpost that has been in operation for my tandem stoker the last 15 years or so. She reports it is helpful and won't ride without it, but I do notice it has noticeably more "stiction" (sticky friction) than my parallelogram Thudbusters, so it hangs up a little at various points in its movement.

Have you made a choice yet? If so, I'd love to hear how you like your new suspension seatpost, Julien.

All the best,

Dan.
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Transmission / Re: Preparing new chain for use.
« Last post by rafiki on August 14, 2018, 08:24:58 PM »
Thanks, Dan. Great tip the mascara brush!
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Transmission / Re: Preparing new chain for use.
« Last post by Danneaux on August 14, 2018, 08:00:56 PM »
Quote
I think that Dan would likely suggest Purple Extreme for use in Oregon's dry'n'dusty terrain, but I've had trouble finding that lube in Eastern Ontario, where I live.
Yes indeed, I have found Purple Extreme does work well in dry, dusty conditions and does not seem to react with the alkali dust I often encounter on my tours of America's Great Basin deserts.

The lube I choose depends on the bike/drivetrain and conditions used. In really sustained wet conditions, I will go for a mix of lubes I have found works well for me, usually a mix of Tri-Flow and Phil Tenacious Oil on some of my rando bikes if it is to be a 300km+ day ride in heavy wet. The main thing there is to keep the lube on the chain without washout. I usually do a clean immediately after such rides and relube with something else that is lighter and cleaner. Of course, this mix would be completely inappropriate in the dry as it would serve as a dust magnet.

I think the important thing with exposed chains is to keep them well lubed and as clean as possible. I asked my sister for an old mascara brush and have it tucked in my kit. Works a treat for quickly flossing grit from between the links after a day's desert transit. After the grit is removed I relube, sometimes daily sometimes not. Depends on conditions and distance.

Best,

Dan.
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Transmission / Re: KMC X1, number of links?
« Last post by Dave B on August 14, 2018, 07:54:57 PM »
See your point about frame size (565L) No not sure about 105. Will recount in the morning . Thanks for your response.
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Transmission / Re: Preparing new chain for use.
« Last post by rafiki on August 14, 2018, 07:10:20 PM »
Very helpful, John. Thank you. In my part of Spain we are very dry and very dusty plus extremely hot. 'll check out the lubes you mention.
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Transmission / Re: KMC X1, number of links?
« Last post by mickeg on August 14, 2018, 07:01:34 PM »
Can't help. The Nomad Mk II comes with different chain stay lengths depending on size of frame.  Even if you had my size frame, I have 44T front and 16T rear, so my number would be meaningless.

If you have an odd number of links including the quick link, that would mean that you have one of those half links, which is rather rare.  Are you sure about your number?  Was a half link added after a while to get more distance out of the chain?

Do you have a multi-tool with a chain tool on it?  If you have not used one before, perhaps there is a you tube video to watch to learn how?  Then you could cut a new chain to your length, and get a few spare links with the left over. 

But a new chain would not have a half link on it.  And you would need a chain tool to install a half link.  If a bike shop is willing to cut your chain for your length for you when you buy it, it likely would not include a half link.

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Transmission / Re: Preparing new chain for use.
« Last post by John Saxby on August 14, 2018, 06:42:16 PM »
Brian, I don't use a whole lot of chain lube, 'cos on my Raven I have a Chainglider, but on my derailleur bikes I've had good luck with Squirt lube.  This is a South African product, and my reasoning is that Soufafricans know lots about dry'n'dusty conditions.

(No advice on lube to help a chain during/after a high-veld thunderstorm, 'cept to avoid them at all costs -- the storms, that is.)

I think that Dan would likely suggest Purple Extreme for use in Oregon's dry'n'dusty terrain, but I've had trouble finding that lube in Eastern Ontario, where I live.

Hope that's helpful,  John
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Transmission / KMC X1, number of links?
« Last post by Dave B on August 14, 2018, 06:14:47 PM »
I am in a position to purchase a KMC X1 chain cut to the correct length.
Obviously I will need to advise the supplier how many links i require. I have counted 105, including the quick link, on the chain currently fitted to my Nomad ( 17 / 42 ). This i fitted myself. I suspect that I didn't fit this chain at the optimal start point in terms of the eccentric bottom bracket. Is there a guide to chain length / link numbers which I could refer to?  Does anyone happen to know ? Or , is it a case of just applying the rule of thumb method? Thanks
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