New Shimano 105 5800

New Shimano 105 5800

Postby singlespeedscott » Thu Apr 03, 2014 5:45 pm

Looks very interesting especially the hydraulic disc, mechanical shifters. I think they need to introduce a 46t and 48t big ring for their cranks though. Some people like to explore beyond the bitumen.

http://www.bikeradar.com/road/news/arti ... ook-40450/
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by BNA » Thu Apr 03, 2014 6:21 pm

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Re: New Shimano 105 5800

Postby Duck! » Thu Apr 03, 2014 6:21 pm

singlespeedscott wrote: I think they need to introduce a 46t and 48t big ring for their cranks though. Some people like to explore beyond the bitumen.

You'll probably find they'll be available as "non-series" Cyclocross-targetted cranks - they've had 10-sp versions out for a couple of years. These will work with 11-sp too.
I had a thought, but it got run over as it crossed my mind.
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Re: New Shimano 105 5800

Postby Cmm » Thu Apr 03, 2014 6:28 pm

Or 6800 cyclocross chainrings
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Re: New Shimano 105 5800

Postby singlespeedscott » Thu Apr 03, 2014 7:46 pm

I've not seen 6800 cx rings.
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Re: New Shimano 105 5800

Postby Cmm » Thu Apr 03, 2014 7:58 pm

There is a 46/36 in the 6800 range. Isn't wide spread yet but would imagine it would be soon with cx season approaching
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Re: New Shimano 105 5800

Postby Duck! » Thu Apr 03, 2014 8:16 pm

6800 has 34, 36 & 39T small ring, and 46, 50, 52 & 53T big ring options (46 & 52 designed to pair to the 36T).
I had a thought, but it got run over as it crossed my mind.
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Re: New Shimano 105 5800

Postby Smithstreet » Thu Apr 03, 2014 8:27 pm

singlespeedscott wrote:Looks very interesting especially the hydraulic disc, mechanical shifters. I think they need to introduce a 46t and 48t big ring for their cranks though. Some people like to explore beyond the bitumen.

I like what I'm hearing there Scott. But Postmans Track IS bitumen though. :P

Meanwhile, feast your eyes on this baby. Exactly the sort of bike I'm after.
http://www.volagi.com/bikes/liscio-bike/
They've got some cool wheelsets as well.

All I've got to do now is finance it!!! :shock:
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Re: New Shimano 105 5800

Postby ldrcycles » Thu Apr 03, 2014 8:43 pm

I will seriously pay a massive amount of money to see you do postman's with a 46 or 48t chainring! :lol:
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Re: New Shimano 105 5800

Postby singlespeedscott » Thu Apr 03, 2014 9:04 pm

Smith street I'm thinking something like this:

http://www.somafab.com/archives/product ... cross-disc

http://somafab.blogspot.com/2013/04/bea ... -from.html

The 105 levers, or whatever Shimano's number is for them, would be great. For me I would be gutting the mechanicals. I just want the levers and calipers. My drivetrain would be 8 speed, compact square tapered cranks running barend shifters.
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Re: New Shimano 105 5800

Postby MattyK » Thu Apr 03, 2014 9:05 pm

Why not just buy trp hylex then?
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New Shimano 105 5800

Postby singlespeedscott » Fri Apr 04, 2014 5:29 am

Because everything I have ever used made Tektro has been rubbish.
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Re: New Shimano 105 5800

Postby GAV!N » Fri Apr 04, 2014 9:04 am

Looks like a good new groupset.
Anyone know if or what will be compatible with the 5700 set? Would love the new rear derailleur so I could use a 32 on the back and get rid of the compact on the front :D
Scott CR1 - 105 - Mavic Kyserium equippe
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Re: New Shimano 105 5800

Postby Duck! » Fri Apr 04, 2014 12:57 pm

MattyK wrote:Why not just buy trp hylex then?

Tektro are one step above Avid/SRAM. A small step.
I had a thought, but it got run over as it crossed my mind.
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Re: New Shimano 105 5800

Postby Lukeyboy » Fri Apr 04, 2014 12:58 pm

Might have to buy a roadie frame that accepts disc brakes :P
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Re: New Shimano 105 5800

Postby Duck! » Fri Apr 04, 2014 12:59 pm

GAV!N wrote:Looks like a good new groupset.
Anyone know if or what will be compatible with the 5700 set? Would love the new rear derailleur so I could use a 32 on the back and get rid of the compact on the front :D
If Dura-Ace & Ultegra are any guide, only the cranks and mechanical brakes will be cross-compatible.
I had a thought, but it got run over as it crossed my mind.
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Re: New Shimano 105 5800

Postby Lukeyboy » Fri Apr 04, 2014 1:19 pm

The full product line up for those interested.
https://www.dropbox.com/s/j8deehis3nc21 ... 1Speed.pdf

And the specification chart.
https://www.dropbox.com/s/1fyzcjrv03ema ... ations.pdf
Last edited by Lukeyboy on Fri Apr 04, 2014 1:37 pm, edited 1 time in total.
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Re: New Shimano 105 5800

Postby cyclotaur » Fri Apr 04, 2014 1:30 pm

GAV!N wrote:Looks like a good new groupset.
Anyone know if or what will be compatible with the 5700 set? Would love the new rear derailleur so I could use a 32 on the back and get rid of the compact on the front :D

I recently tried a wheel with a 34t cassette with my 2011 105 RD. I was just wanting to see if the 40c tyres would clear my frame ok but .... the 34t worked fine.
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Re: New Shimano 105 5800

Postby MattyK » Fri Apr 04, 2014 1:35 pm

Duck! wrote:
MattyK wrote:Why not just buy trp hylex then?

Tektro are one step above Avid/SRAM. A small step.

singlespeedscott wrote:Because everything I have ever used made Tektro has been rubbish.

So, your experiences with this product are zero then? :roll:
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Re: New Shimano 105 5800

Postby Duck! » Sat Apr 05, 2014 12:57 am

MattyK wrote:
Duck! wrote:
MattyK wrote:Why not just buy trp hylex then?

Tektro are one step above Avid/SRAM. A small step.

singlespeedscott wrote:Because everything I have ever used made Tektro has been rubbish.

So, your experiences with this product are zero then? :roll:

A decade of workshop experience has given me plenty of grounding to rank Tektro/TRP (the "T" in TRP stands for Tektro) and Avid/SRAM (similarly, same mob under the labels) pretty low on the list of preferences for stopping the bike.
I had a thought, but it got run over as it crossed my mind.
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Re: New Shimano 105 5800

Postby MattyK » Sat Apr 05, 2014 7:12 am

So, your experience with this product is zero then?
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Re: New Shimano 105 5800

Postby ldrcycles » Sat Apr 05, 2014 7:32 am

I've used and worked on Tektro V brakes, cable discs and road brakes and the quality and performance of all of them has been very good, I certainly don't see any need to spend 2 or 3 times as much on another brand.
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Re: New Shimano 105 5800

Postby Ross » Sat Apr 05, 2014 7:43 am

I had Tektro brakes as OEM on a previous road bike I owned and thought they were ok until I swapped them for Ultegra 6700. Difference was like night and day. Ultegra was streets ahead with stopping power. I had upgraded to Shimano pads on the Tektro brakes which had made them slightly better but the full upgrade to Shimano brakes was much better.
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Re: New Shimano 105 5800

Postby MattyK » Sat Apr 05, 2014 12:33 pm

...which has zero relevance to a hydraulic disc brake.
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Re: New Shimano 105 5800

Postby Ross » Sat Apr 05, 2014 12:49 pm

Chances are if the road bike brakes are crap then MTB/CX are going to be crap too.
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Re: New Shimano 105 5800

Postby cyclotaur » Sat Apr 05, 2014 12:52 pm

MattyK wrote:So, your experience with this product is zero then?
Same as everybody else's.


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