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51
Non-Thorn Related / Re: Clothing suitable for cycling with a high UPF factor
« Last post by John Saxby on March 29, 2026, 06:54:26 PM »
Thanks for starting this thread, Ian.  Apologies for being a bit slow to add my few cents' worth -- am just back from a nearly-end-of-winter break on the Pacific coast of Costa Rica. (A useful spot to check out sun protection, though it wasn't for that reason we went there.  ;))

I'm a member of the Spotted Tribe -- my mum's family is Scots-Irish, and I've inherited her sensitivity to UV rays. (This of course lets me check in occasionally with Shaun Pollock and Rod Laver & exchange notes & wisdom.)

As for sources of cycle clothing:  Over the past ten years or so, I've come to rely almost entirely on Ground Effect in New Zealand, here: https://www.groundeffect.co.nz/

I've found their products first-rate for quality, fit and comfort.  Prices are reasonable, too -- not least because postage from NZ is very inexpensive by comparison with, say, Canada or the U.S.  I now have only GE garments for my longsleeved cycling jerseys (specifically  the "Rock Lobster"), and I have a couple of "Berglar" T-shirts for indoor wear & under-clothing.  GE advertises a UPF of 50 for their jerseys.

I also have a rainwear jacket, the "Anti-Cyclone".  (I should say that GE has an apparently endless stock of product names.  Most of these I enjoy, and I had a cheerful conversation with them about their use of "Zamboni",. something dear to every Canajan I know. Others are less, er, successful:  The rain jacket one step down from mine is named the "Storm Trooper".)

I've also found GE cycling shorts to be very comfortable.  I usually wear a pair of their liner short under loose overshorts.  For the latter, I use hiking shorts sourced in Ottawa, usually below the knee.

An alternative source for over-the-knee knickers is an outfit named AeroTech Designs, in Pittsburgh, Next Door.  I have a pair I bought years ago, and wear them often.  They sell a pair for USD 65 these days (about CAD 100) + extortionate postage.  That's a very reasonable price for a quality garment, but I doubt I'll buy anything from them for a while, on account of The Situation. (In times past I would use a friend's address in NYC when ordering, and collect them when we visited, but again, that option is off the table for now.)

Hope this is helpful, Ian, and good luck.

Cheers,  John
52
Rohloff Internal Hub Gears / Re: Fitting front Hebie Chainglider 38t
« Last post by Andyb1 on March 29, 2026, 05:29:38 PM »
My wife’s ebike with 1 x 8 derailleur gears came with an open chainguard that runs above the top chain run and around the chainwheel - and after 1000 miles it has ket the chain surprisingly clean.   Not as good as a Chainglider but it is probably doubling the life of the chain.
53
Rohloff Internal Hub Gears / Re: Fitting front Hebie Chainglider 38t
« Last post by Danneaux on March 29, 2026, 07:00:05 AM »
A "half-Chainglider" is surprisingly much better than nothing in my experience, though of course less effective than a full chaincase.

I wanted some chain protection for my all-weather Fixed-gear commuter, so I made my own chainguard by warming a sheet of polycarbonate over a plywood form in my oven. I also made the mounting brackets, a bit of a challenge as this former racing bike had no mudguard eyelets.

Photos show how much glop and debris landed on the chainguard, protecting the vulnerable upper run of chain and keeping the bottom run much cleaner. I wrapped the 'guard 'round the chainring to better protect from road spray thrown up by the front tire, though I also run long mudguards and a generous front mudflap. A lot of the water and rim oxide debris flow drops from the rear brake caliper when riding in the wet. The rest is sand picked up by the tires from gritted roads in freezing weather and drip-off from the rear mudguard lip. The chain looks pristine compared to the chainguard. Even the exposed sprocket is not too dirty. Six years later, my homemade chainguard is still going strong.

For photos and descriptions, see...
https://thorncyclesforum.co.uk/index.php?topic=13951.msg110999#msg110999
...and...
https://thorncyclesforum.co.uk/index.php?topic=13951.msg111000#msg111000

Mounting details...
https://thorncyclesforum.co.uk/index.php?topic=13951.msg103765#msg103765

Construction details...
https://thorncyclesforum.co.uk/index.php?topic=13951.msg103775#msg103775

It was a fun project, but a lot of work.If you can find and afford a suitable commercial version, it would be much easier.

Best, Dan.
54
Rohloff Internal Hub Gears / Re: Fitting front Hebie Chainglider 38t
« Last post by Andre Jute on March 29, 2026, 06:22:39 AM »
Is it possible to fit the front Chainglider without the rear?

It is possible, at the cost of a little extra noise and possibly considerable extra maintenance, depending on where and how you ride. But why would you want to do it?

I haven't run a Chainglider without the rear locking part, while some posters here have, JohnR for one. He got 2000 miles on a half-Chainglider-covered KMC chain. Inside a full Chainglider I get c3000 miles on a KMC chain at about 0.5mm wear when I put on a new one at the same time as I change the oil in the Rohloff. They're not the same model KMC chain, but they likely have the same lube. I run my chains for their entire life on the factory lube and these days don't even bother to open the Chainglider in between Rohloff services because I know by test that the Chainglider protects my chain well to over 5000km.

About your problem with the steel chain guard on the chainring, I used spacers from SJS to mount the chainring at Rohloff's preferred spec for the chainline (which depends on whether your sprocket is threaded or clipped and also whether you have the 13 tooth sprocket or something more sensible).

Good luck with getting your bike just as you want it.
55
Bikes For Sale / Thorn ClubTour Mk4 -£650
« Last post by Sherpaman on March 28, 2026, 03:03:59 PM »
Thorn ClubTour Mk4, beautiful 725 Steel Frame and fork finished in Gun Metal grey metallic paint. Low mileage / low usage.
- Size 550S - suit someone approx 5’7 to 6ft, I’m 5’11 1/2 (182cm) it’s perfect for me, stand over mid frame is 795cm approx
- 700c wheels with Deore hubs
- 700 x 37 Continental Contact tyres as new (fast rolling but comfortable)
- Deore triple chainset - 48 / 36 / 26. Rear Cassette 11-36 (great     range and hill climbing ability) with Bar end levers
- Front Shimano V brake with rear Spyre disc brake (both very effective)
- Rear carrier and full SKS mudguards
- Selle Italia leather saddle
- Two bottle cages
- Comes complete with pedals

As new condition, rides perfectly and is a reluctant sale.
56
Wanted / SON Dynamo Disc Hub / Wheel
« Last post by Joe1983 on March 27, 2026, 09:18:30 PM »
Hi all,

I am looking for a SON Dynamo disc hub in 100mm QR fitment.

Interested in either hub only or wheel (26" ideally).

Please let me know if you have anything of interest.

Thanks :)
57
Rohloff Internal Hub Gears / Re: Fitting front Hebie Chainglider 38t
« Last post by JohnR on March 27, 2026, 04:01:12 PM »
Thnx for responses; I'll try spacers first.
Is it possible to fit the front Chainglider without the rear?
There's the open Chainglider https://www.sjscycles.co.uk/chainsets/hebie-chainglider-open-359-for-38t-chainring/.
58
Rohloff Internal Hub Gears / Re: Fitting front Hebie Chainglider 38t
« Last post by Matt2matt2002 on March 27, 2026, 03:12:33 PM »
Thnx for responses; I'll try spacers first.
Is it possible to fit the front Chainglider without the rear?

I'm pretty sure the front and back clip together.
59
Rohloff Internal Hub Gears / Re: Fitting front Hebie Chainglider 38t
« Last post by daviddd55 on March 27, 2026, 12:53:07 PM »
Thnx for responses; I'll try spacers first.
Is it possible to fit the front Chainglider without the rear?
60
Rohloff Internal Hub Gears / Re: Fitting front Hebie Chainglider 38t
« Last post by martinf on March 27, 2026, 06:41:47 AM »
You may need to fit a thinner chainring as well.  Hebie say max thickness should be 3mm but I have been using 4mm wide chainwheels on 2 bikes with no problems.

Same here.

Since 2011 I have been using a fairly thick TA chainring for 1/8" chain under a ChainGlider on my old utility since 2011. It rubbed a bit at first but soon wore in.

For the chainring bolts, you can either buy a set of shorter bolts, generally designed for use with single chainrings, or you might be able to put the right diameter and number of washers onto the existing bolts to make up the thickness of the chainring cover. I have occasionally done the latter, using stainless steel washers. Aluminium chainring spacers could also work.   
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