Next generation of Dura-Ace Di2

Discuss light weight issues concerning road bikes & parts.
User avatar
Dan Gerous
Posts: 1809
Joined: Sun Aug 12, 2007 6:28 pm

by Dan Gerous

prof wrote:
Mon Aug 03, 2020 10:34 pm
have a close look on seatpost SL7 and see the specific DI2 part..
and pherhaps you can imagin what will be diferent by new DA
Yeah got it, I was just messing around.

JMeinholdt
Posts: 328
Joined: Wed Feb 26, 2020 10:31 pm
Location: Topeka, KS

by JMeinholdt

stevej wrote:
Mon Aug 03, 2020 6:47 pm
I'm in the market for a new bike in next couple months. If Shimano doesn't release something new, I'm going to end up going to SRAM AXS. DA 9070 has served me well since 2014 but I'm ready for less wires.
Just pulled the trigger on AXS today. Bye bye Shimano. Well, not really, it'll be a hand me down groupset.
Wilier Cento10AIR Rim Brake - SRAM Force AXS
BMC GF02 - Ultegra R8000 - Commuter/Trainer

Strava link: https://www.strava.com/athletes/jmeinholdt

by Weenie


FactoryMatt
Posts: 644
Joined: Tue Apr 14, 2015 4:35 am

by FactoryMatt

JMeinholdt wrote:
Mon Aug 03, 2020 10:57 pm
stevej wrote:
Mon Aug 03, 2020 6:47 pm
I'm in the market for a new bike in next couple months. If Shimano doesn't release something new, I'm going to end up going to SRAM AXS. DA 9070 has served me well since 2014 but I'm ready for less wires.
Just pulled the trigger on AXS today. Bye bye Shimano. Well, not really, it'll be a hand me down groupset.
you really needed that 10T cog and smaller chainrings huh :) don't forget to pair it with a set of OSPW. big pulleys are more marginal gainz than big cogs.

rollinslow
Posts: 375
Joined: Fri Dec 21, 2018 2:25 am

by rollinslow

JMeinholdt wrote:
Mon Aug 03, 2020 10:57 pm
stevej wrote:
Mon Aug 03, 2020 6:47 pm
I'm in the market for a new bike in next couple months. If Shimano doesn't release something new, I'm going to end up going to SRAM AXS. DA 9070 has served me well since 2014 but I'm ready for less wires.
Just pulled the trigger on AXS today. Bye bye Shimano. Well, not really, it'll be a hand me down groupset.
lol I'm not even a fan of SRAM but I like that you just went out and did it. Shimano is dragging their feet too much and getting left behind.
Moots Vamoots RSL (2019)-Dura Ace 9100
Cervelo S1 (2010)-Super Record 12 (viewtopic.php?f=10&t=161577)
Kestrel RT700 (2008)-Dura Ace 9000
Mosaic GT-1 (2020)-in build queue

JMeinholdt
Posts: 328
Joined: Wed Feb 26, 2020 10:31 pm
Location: Topeka, KS

by JMeinholdt

FactoryMatt wrote:
Mon Aug 03, 2020 11:10 pm
JMeinholdt wrote:
Mon Aug 03, 2020 10:57 pm
stevej wrote:
Mon Aug 03, 2020 6:47 pm
I'm in the market for a new bike in next couple months. If Shimano doesn't release something new, I'm going to end up going to SRAM AXS. DA 9070 has served me well since 2014 but I'm ready for less wires.
Just pulled the trigger on AXS today. Bye bye Shimano. Well, not really, it'll be a hand me down groupset.
you really needed that 10T cog and smaller chainrings huh :) don't forget to pair it with a set of OSPW. big pulleys are more marginal gainz than big cogs.
Not at all. But it'll be nice to have a decent app interface. And a wider gear range. I just have the mini group on order now. I'll probably go 48/35 and 10-33.

I had 11 speed eTap before my current Di2, so I'm perfectly comfortable with the shift quality and whatnot.

Realistically, I wouldn't have bought DA immediately, I would've waited a year or so for some of the newness to wear off and some deals to crop up. So if they drag their feet until early to mid 2021 it would've been a solid two years.
Wilier Cento10AIR Rim Brake - SRAM Force AXS
BMC GF02 - Ultegra R8000 - Commuter/Trainer

Strava link: https://www.strava.com/athletes/jmeinholdt

Alfus
Posts: 95
Joined: Mon Jan 21, 2019 4:34 pm

by Alfus

JMeinholdt wrote:
Mon Aug 03, 2020 1:39 pm
Alfus wrote:
Mon Aug 03, 2020 12:10 pm
ipenguinking wrote:
Sat Aug 01, 2020 4:06 pm
new DA in September for December delivery.

SHIMANO IS NOT GOING TO RELEASE THE DURA ACE THIS YEAR
Do you work for Shimano? No? Then your statement is no better than anyone else's and the caps and large font do nothing to make it so.

Post up your credentials if you want to add some substance to your statement.
I can´t..

Alfus
Posts: 95
Joined: Mon Jan 21, 2019 4:34 pm

by Alfus

prof wrote:
Mon Aug 03, 2020 10:34 pm
have a close look on seatpost SL7 and see the specific DI2 part..
and pherhaps you can imagin what will be diferent by new DA
Image

gurk700
Posts: 560
Joined: Fri Jan 20, 2017 7:40 pm

by gurk700

rollinslow wrote:
Mon Aug 03, 2020 11:18 pm
JMeinholdt wrote:
Mon Aug 03, 2020 10:57 pm
stevej wrote:
Mon Aug 03, 2020 6:47 pm
I'm in the market for a new bike in next couple months. If Shimano doesn't release something new, I'm going to end up going to SRAM AXS. DA 9070 has served me well since 2014 but I'm ready for less wires.
Just pulled the trigger on AXS today. Bye bye Shimano. Well, not really, it'll be a hand me down groupset.
lol I'm not even a fan of SRAM but I like that you just went out and did it. Shimano is dragging their feet too much and getting left behind.
I have a feeling Shimano is far from “left behind” as far as groupset sales go compared to SRAM but what do I know.

All I know is I’m never touching SRAM road groups again! Came back to Shimano and staying for good. 9100/9150/9170 is perfect minus their garbage e-tube app lol

User avatar
pdlpsher1
Posts: 2842
Joined: Thu Jul 19, 2012 6:09 pm
Location: CO

by pdlpsher1

Alfus,

Just to confirm. Usually there's a lag between Shimano new product announcement and actual parts availability. Are you saying new D.A. won't be announced at all this year or will it be announced this year as some have said but won't be available until next year? Someone here said that Shimano has already made presentations to dealers. Why would Shimano annouce it to the dealers but not to the public until next year.

User avatar
Dan Gerous
Posts: 1809
Joined: Sun Aug 12, 2007 6:28 pm

by Dan Gerous

I think they made the presentation to bike manufacturers, not dealers. So bike companies, maybe wheel companies and such know what's coming and have time either to make stuff for/around it or plan their eventual model ranges. Publicly, for 2020 I think we can mostly just expect seeing spy shots on some pros' bikes, which usually happens months before an official announcement which happens months before part being actually available.

User avatar
Enveboy
Posts: 2
Joined: Tue Aug 04, 2020 9:50 am

by Enveboy

First post so be kind :)

I liaised with a non-mainstream european bike manufacturer back in April who told me that their 2021 bikes will be ready at the same time as DA 12 speed. Had confirmation last week that the launch date for the 2021 bikes is 1st September, no reference to DA12 though.

I am chewing at the bit for a new bike but don't want to shell-out £9k for a bike for the same groupset that I already have.
Last edited by Enveboy on Tue Aug 04, 2020 3:36 pm, edited 2 times in total.

User avatar
ms6073
Posts: 3207
Joined: Fri Jul 23, 2004 8:24 pm
Location: Houston, Texas

by ms6073

Alfus wrote:
Tue Aug 04, 2020 9:18 am
Image
Nice. That also explains why the live images I have seen in reviews, either had a saddle bag covering the rear of the post or simply did not show the seat post clamp area from behind. Seems like one could invert the battery and use a 100 mm wire to tidy things up. Other than giving pro mechanics a way to access Di2 while handing out the window of a team car, I don't understand why the downtube is not the preferred location for the junction A.
Michael - The Anaerobic Threshold is neither...

bet1216
Posts: 61
Joined: Thu Jul 18, 2019 10:52 pm

by bet1216

ms6073 wrote:
Tue Aug 04, 2020 3:33 pm
Alfus wrote:
Tue Aug 04, 2020 9:18 am
Image
Nice. That also explains why the live images I have seen in reviews, either had a saddle bag covering the rear of the post or simply did not show the seat post clamp area from behind. Seems like one could invert the battery and use a 100 mm wire to tidy things up. Other than giving pro mechanics a way to access Di2 while handing out the window of a team car, I don't understand why the downtube is not the preferred location for the junction A.
In theory couldn't it streamline some of the wiring or be because it is semi wireless? For example run wire through the top tube to the battery to the derailleurs. Or semi wireless (no wires from shifters to derailleurs), with wires from the battery to the derailleurs only....you would still need a charging port for a battery in the seat post and it would sense to put it there. No insider knowledge here, just some good old hypothesizing :D

mrlobber
Posts: 1139
Joined: Sat Oct 23, 2010 9:36 am
Location: Where the permanent autumn is

by mrlobber

bet1216 wrote:
Tue Aug 04, 2020 6:58 pm
In theory couldn't it streamline some of the wiring or be because it is semi wireless? For example run wire through the top tube to the battery to the derailleurs. Or semi wireless (no wires from shifters to derailleurs), with wires from the battery to the derailleurs only....you would still need a charging port for a battery in the seat post and it would sense to put it there. No insider knowledge here, just some good old hypothesizing :D
Would make sense in a semi wireless system where shifters are on coin batteries while derailleurs are connected with wires / main battery and control unit. In that case, there's absolutely no point putting the control unit on handlebars or in other places in front of the bike where you need like a meter of extra wiring... which leaves the seatpost as just about the perfect place, just as Specialized has implemented.

Again, hypothesizing only.
Retired bikes: Cervelo S5 2015 / Felt AR FRD 2014 / Cannondale SS HM 2014 / Scott Addict SL 2014 / Scott Plasma Premium 2014 / Orbea Orca 2008 / Look 596 /

Stoffa
Posts: 99
Joined: Fri Oct 26, 2018 8:15 am

by Stoffa

Alfus wrote:
Tue Aug 04, 2020 9:00 am
JMeinholdt wrote:
Mon Aug 03, 2020 1:39 pm
Alfus wrote:
Mon Aug 03, 2020 12:10 pm
ipenguinking wrote:
Sat Aug 01, 2020 4:06 pm
new DA in September for December delivery.

SHIMANO IS NOT GOING TO RELEASE THE DURA ACE THIS YEAR
Do you work for Shimano? No? Then your statement is no better than anyone else's and the caps and large font do nothing to make it so.

Post up your credentials if you want to add some substance to your statement.
I can´t..
Tell me youre joking. I NEED a new DA this year Alfus. Make it so.

by Weenie


Post Reply