Any cyclists here?

That is true. But their reliability is much higher than traditional drive systems. They are the only drive systems to survive the entire Tour Divide (or GDMBR) without service.

Maybe we can fit a chainsaw chain on the open transmission to at least cut through the dried mud?
 
For pulleys which is better? Sleeve or ball bearing

'Sealed' ball bearing is maintenance free other than clean the grease/grit off the outside of the pulley wheels themselves. Personally, I have had sealed ball bearing last longer. Lower cost Shimano (such as Ultegra and XT) use a ceramic sleeve and they wear pretty quickly. The Campy from the photo's is a fairly standard sleeve design using a sintered bronze sleeve with grooved steel shaft and may last longer than the Shimano ceramic with the proper maintenance; but off-road, sealed ball bearing is the way to go.
 
NEW ROAD PEDAL SYSTEM.
 
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NEW ROAD PEDAL SYSTEM.

I just use SPD and move them from bike to bike.
As much as I might hope, the thing doesn’t peddle itself down the road.
 
Is that full Carbon, very good for absorbing vibrations. Why ride on cobble ..?



5hfipk.jpg
 
Belgian cobbles .
Sold my other bike the trek is simply beter
I miss the days i could fold myself into a pretzel. bars that low vs saddle are memories only. Good on you!
 
Is that full Carbon, very good for absorbing vibrations. Why ride on cobble ..?
Off course full carbon , almost all race bikes these days are full carbon.
The wheels are Campagnolo BORA WTO 60 also carbon , fantastic wheels its a really fast bike .

Cobbles ...
History / Hardship .

The opposite of drive through breakfast joints and drive through ATM s.
Squared North - south , East -west roads no thanks

By the way the way TREK designed a vibration absorption system works really good .
It really helps comfort.
 

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By the way the way TREK designed a vibration absorption system works really good .
It really helps comfort.
If it absorbs vibration, isn't it also more wippy? If not, then it must also be heavier. Salsa did that with their Cutthroat, which is as heavy as Ti. Since carbon has an ephemeral quality, I don't see the point. Isn't it better to get ride comfort the traditional way- by proper tire and tire pressure, as well as a proper seat and seatpost?
 
If it absorbs vibration, isn't it also more wippy? If not, then it must also be heavier. Salsa did that with their Cutthroat, which is as heavy as Ti. Since carbon has an ephemeral quality, I don't see the point. Isn't it better to get ride comfort the traditional way- by proper tire and tire pressure, as well as a proper seat and seatpost?
No it flexes slightly but not much , it probably is indeed slightly heavier
I have driven normal carbon frames / TREK back to back for a very long time and i prefer the TREK .
When all things are taken care off ( tire pressure fast wheels) the TREK is a comfy /precision steering / rocket .
And it needs to be those electric bikes go fast these days :cool:
 
I just bought a new old stock Breezer Finesse.

I think mine is a 2010 model. Amazing to think this thing has been sitting in a box or on a showroom floor for 14 years now! For my daily 17 mile each way commute I think this will be a great winter bike. It's the first bike I've owned with gearing soley provided by an internal hub. It's not the fastest thing but it's sure smooth. Shifting is like butter, but it's important to let off the pressure to be nice to the gears. I used to work on these hubs and saw that they could be damaged by unknowning riders jamming them into gear under force. The 11 speed version seems to be more touchy. This has the 8 speed version. Came with rack, fenders, full Alfine group with Shimano wheels, front generator hub, Schmit lighting system, and even a bell. I like the eccentric bottom bracket, and the cantilever studs and derailleur hanger are still on the frame just in case I want to make changes. All for $999.


This weekend I did a 100 mile ride on my gravel bike, my only century this year. My buddy noticed my rear wheel was looking out of true. I checked it when I got home and found that the rim had many cracks and spokes starting to pull through. Darn it! Craigslist came to the rescue. I found a workable set of fully compatible wheels for $75.00! They even came with a good set of disc rotors installed!
 
When I turned 45 (uh, in the mid 1990s...) I bought myself a Seven Cycles Odonata, custom-built for my body measurements and riding style. I thought that having something that fit me exactly might prolong my riding years, and I'm pretty sure I was right. I built it up with full Campy Record and did many centuries and MS150 rides with it.
The titanium/carbon fiber frame was revolutionary at the time, and it provided an almost magical mix of comfort and stiffness. I never felt out of control on that bike, whether on hairy descents or dodging traffic. It never felt like I was wasting energy on climbs, yet it - helped by my favorite Koobi saddle - also managed to feel nice and pliant.
I'm now in my seventies, but I kept that bike until two years ago, putting a few hundred miles on it every year. I finally traded it in for a Trek FX Sport 6 fitness bike. The best part of the trade-in process at the bike shop was the respect and affection that the shop staff had for the Seven - I'm pretty sure that everyone came over to pay homage to it and most took it out for a spin. I'm hoping that the Trek FX does for me what the Seven did...take care of my body and allow me to keep going for a few more years, while still producing that dreamlike feeling of flight I've only ever experienced on a bike or on skis.
 
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Wow nice thats some history there .
Still good functional ?
Yes. It's effortless; a genuine pleasure to ride.

This weekend I rode it an a gravity race, which involves a slight downhill with no pedaling, then coast as far as you can. It won with ease. These days people don't take Sturmey Archer seriously, but back in the 1950s their bearing quality was as good as anyone's and their hubs had efficiency that was very difficult to distinguish from a single speed. In 1955, Campy was making the first parallelogram derailleurs, but they were not as reliable nor had the range of the Sturmey Archer 4 speed 'FW' hub. So this was very nearly state of the art at the time.

The Bates uses Reynolds 531 tubing, but a version called 'Cantiflex' made exclusively for Bates (which they still do to this day). That sort of tubing is butted in the middle rather than at either end. This makes the frame not only stiffer but also lighter, something Bates sorted out back in the 1930s. It arguably the stiffest steel frame made. The Diadrant fork has the double bend to help with ride quality but like any other bike 90% of that comes from the tires.

You may have noticed the crank, which is cottered, in anodized alloy. It was made by Holdsworth of the UK. They sold it aftermarket using the 'Allez' brand name.
 

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