Sram electronic
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Re: Sram electronic
Postby Xplora » Wed May 13, 2015 9:40 am
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Re: Sram electronic
Postby biker jk » Wed May 13, 2015 9:48 am
I think Sram took the view that since they missed the boat with electronic shifting they needed a product seen as superior rather than competitive. With World Tour teams dumping Sram groupsets left, right and centre, they certainly need a breakthrough product. Unfortunately, their record of quality control and proper testing is not great. With the wireless shifting used at the Tour Down Under in January, I believe they have until October to launch it to the public under the rules.eeksll wrote:i really don't understand wireless. The bike frame is hollow, seems to be a no brainer to shove all the cables in the frame, have 1 battery. Just need some clean solution for the cables from the shifters to the frame.
having said that, some of the current solutions from frame makers regarding electronic cable routing make it look like its still in the R&D phase.
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Re: Sram electronic
Postby Rex » Wed May 13, 2015 12:24 pm
Part of the requirement of allowing testing in a UCI race means they have to release it on the market within a specified timeframe?biker jk wrote: With the wireless shifting used at the Tour Down Under in January, I believe they have until October to launch it to the public under the rules.
And October?
Sweet, happy to wait untill then before spending my hard-earned on Di2.
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Re: Sram electronic
Postby Drizt » Wed May 13, 2015 12:28 pm
Very happy with my Di2 / hydro set up. You wont be disappointed with either choice.Rex wrote:Part of the requirement of allowing testing in a UCI race means they have to release it on the market within a specified timeframe?biker jk wrote: With the wireless shifting used at the Tour Down Under in January, I believe they have until October to launch it to the public under the rules.
And October?
Sweet, happy to wait untill then before spending my hard-earned on Di2.
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Re: Sram electronic
Postby MattyK » Wed May 13, 2015 12:38 pm
Yeah but don't you normally do that on a mech system anyway to perform a sequential shift? (I know I do)biker jk wrote:I'm not a fan of the front shifting system which requires pressing the buttons on the left and right shifters at roughly the same time.
If they are clever they could easily make the double button press a sequential shift (activate both derailleurs simultaneously).
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Re: Sram electronic
Postby biker jk » Wed May 13, 2015 12:46 pm
Yes, I believe they have to release to the market within nine months.Rex wrote:Part of the requirement of allowing testing in a UCI race means they have to release it on the market within a specified timeframe?biker jk wrote: With the wireless shifting used at the Tour Down Under in January, I believe they have until October to launch it to the public under the rules.
And October?
Sweet, happy to wait untill then before spending my hard-earned on Di2.
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Re: Sram electronic
Postby 2wheels_mond » Wed May 13, 2015 2:00 pm
If I'm not mistaken, the purpose of the rule is to prevent racers using super-expensive unavailable to the public prototypes. It's so obvious that SRAM does plan to bring these to market that it would be plain dumb for the UCI to try and ban them based on this. Besides, they've been around since at least the Tour of California last year, which makes it more than nine months anyway that it's been around.
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Re: Sram electronic
Postby Sharkey » Wed May 13, 2015 3:12 pm
XTR Di2 has this feature. It is called Synchro Shifting. Basically you can program it to use a single Up/Down button and at a certain point it changes chainrings and goes back a couple of cogs on the cluster.MattyK wrote:Yeah but don't you normally do that on a mech system anyway to perform a sequential shift? (I know I do)biker jk wrote:I'm not a fan of the front shifting system which requires pressing the buttons on the left and right shifters at roughly the same time.
If they are clever they could easily make the double button press a sequential shift (activate both derailleurs simultaneously).
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Re: Sram electronic
Postby greyhoundtom » Wed May 13, 2015 5:04 pm
It should be extremely simple to incorporate bare copper wiring into the CF frame structure able to accessed as needed.
In fact it could even be done using specifically designed decals coloured to suit the decor of the bike, and sealed under the clear coat similar to a printed circuit.
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Re: Sram electronic
Postby Rex » Wed May 13, 2015 6:03 pm
I wonder what the weight difference is to Red22 etc.
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Re: Sram electronic
Postby Duck! » Wed May 13, 2015 7:22 pm
Not really, have you seen how carbon frames are built? Not to mention that carbon fibre is electrically conductive, so any embedded wires would have to be properly shielded so as to not leak current into the frame & short out.greyhoundtom wrote: It should be extremely simple to incorporate bare copper wiring into the CF frame structure able to accessed as needed.
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Re: Sram electronic
Postby greyhoundtom » Wed May 13, 2015 7:24 pm
Duck! wrote:Not really, have you seen how carbon frames are built? Not to mention that carbon fibre is electrically conductive, so any embedded wires would have to be properly shielded so as to not leak current into the frame & short out.greyhoundtom wrote: It should be extremely simple to incorporate bare copper wiring into the CF frame structure able to accessed as needed.
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Re: Sram electronic
Postby Mulger bill » Wed May 13, 2015 9:20 pm
Don't forgot this idea Tom, could be a winner for a clean install to a non compatible frame. Colour matched helicopter tape for the MacGyver crowd?greyhoundtom wrote:Duck! wrote:Not really, have you seen how carbon frames are built? Not to mention that carbon fibre is electrically conductive, so any embedded wires would have to be properly shielded so as to not leak current into the frame & short out.greyhoundtom wrote: It should be extremely simple to incorporate bare copper wiring into the CF frame structure able to accessed as needed.
London Boy 29/12/2011
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Re: Sram electronic
Postby trailgumby » Wed May 13, 2015 9:21 pm
^^ This!Duck! wrote:Given their form for underdeveloping things before releasing to the market, I'd recommend waiting a couple of years for them to iron the inevitable bugs out.Paul B wrote:Given the time that Sram have had to develop their product, you would think that something special is on the way. I have Sram Red on my roadie... could be tempted to upgrade if it looked like a winner.
So true
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Re: Sram electronic
Postby Xplora » Thu May 14, 2015 3:41 pm
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Re: Sram electronic
Postby Duck! » Thu May 14, 2015 8:18 pm
It would make a lot of sense... pressing both buttons just to shift the front and then pressing one button a second or even third time to shift the rear a step or two sounds even clunkier than a mechanical system.
I have no idea what kind of service interface is proposed, but if they have something similar to Shimano's E-Tube then perhaps the shift patterns could be customised to suit the gear combinations used.
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Re: Sram electronic
Postby rodneycc » Thu May 14, 2015 11:32 pm
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Re: Sram electronic
Postby Xplora » Thu May 14, 2015 11:42 pm
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Re: Sram electronic
Postby rodneycc » Fri May 15, 2015 8:07 am
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Re: Sram electronic
Postby Xplora » Fri May 15, 2015 9:54 am
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Re: Sram electronic
Postby rodneycc » Fri May 15, 2015 11:13 am
Btw prob is a very good reason why F1 drivers still have manual gearboxes and can see why you would want to keep the skill factor of the human element in play. Just throwing a few ideas around for possible innovation.
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Re: Sram electronic
Postby MattyK » Fri May 15, 2015 12:19 pm
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Re: Sram electronic
Postby BenGr » Sat May 16, 2015 11:41 am
I think i'll stick to manual, I tend to only get caught out when stopping rapidly.
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Re: Sram electronic
Postby hooman » Sun Feb 21, 2016 3:26 pm
Looks were great too BUT $4900 for groupo put me off.
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