2014 Giant Defy Advanced SL Zero - Feedback please
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2014 Giant Defy Advanced SL Zero - Feedback please
Postby splitz » Fri Oct 31, 2014 12:20 am
Anyone gimme some feedback please.
Tossing up between that and a Pinarello UD60, Same price but cheaper Shimano wheels and Ultegra Di2. But has battery integrated inside seatpost and a much nicer looking bike in my view.
Thoughts?
cheers
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Re: 2014 Giant Defy Advanced SL Zero - Feedback please
Postby Strydz » Fri Oct 31, 2014 2:06 am
1990-Flanders-Columbus SLX
2014-Giant TCR SL
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Re: 2014 Giant Defy Advanced SL Zero - Feedback please
Postby Grgic » Fri Oct 31, 2014 6:13 am
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Re: 2014 Giant Defy Advanced SL Zero - Feedback please
Postby splitz » Fri Oct 31, 2014 9:51 am
Mmmmm I can't see how, has an integrated seatpost which starts sort of normal round at the top tube but after 5cms turnes into the flat blade shape type.Strydz wrote:.......................the battery hidden away that it can be retro fitted with an internal seat post battery, I know a few people who have done this but none of ........................t is just my own opinion
cheers
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Re: 2014 Giant Defy Advanced SL Zero - Feedback please
Postby splitz » Fri Oct 31, 2014 9:55 am
Nah was always looking at Utegra Di2 but this 2014 Defy is superceded and very good price, Dura-Ace for price of Ultegra. Yeah I saw the 2015 defy and don't want the disc brakes. No point in my view so extra weight for nothing.Grgic wrote:Is Dura Ace a deal breaker? What about the 2015 Defy Advanced Pro 0?
Thanks for the reply.
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Re: 2014 Giant Defy Advanced SL Zero - Feedback please
Postby mitchy_ » Fri Oct 31, 2014 10:08 am
not exactly forthcoming with pictures, but this person claims to have used an internal battery with a TCR ISP frame.splitz wrote:Mmmmm I can't see how, has an integrated seatpost which starts sort of normal round at the top tube but after 5cms turnes into the flat blade shape type.Strydz wrote:.......................the battery hidden away that it can be retro fitted with an internal seat post battery, I know a few people who have done this but none of ........................t is just my own opinion
cheers
http://weightweenies.starbike.com/forum ... 3&t=114443" onclick="window.open(this.href);return false;
the diametre of the battery, and internal width of the ISP in the aero section would quickly tell you if it's possible or not.
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Re: 2014 Giant Defy Advanced SL Zero - Feedback please
Postby Duck! » Fri Oct 31, 2014 2:16 pm
What extra weight? Giant claim to have offset the minor weight increase in the braking system with weight reductions elsewhere for a nett equal weight with the previous equivalent models.splitz wrote: Yeah I saw the 2015 defy and don't want the disc brakes. No point in my view so extra weight for nothing.
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Re: 2014 Giant Defy Advanced SL Zero - Feedback please
Postby biker jk » Fri Oct 31, 2014 2:31 pm
Indeed the SL version is the lightest road frame they have ever produced.Duck! wrote:What extra weight? Giant claim to have offset the minor weight increase in the braking system with weight reductions elsewhere for a nett equal weight with the previous equivalent models.splitz wrote: Yeah I saw the 2015 defy and don't want the disc brakes. No point in my view so extra weight for nothing.
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Re: 2014 Giant Defy Advanced SL Zero - Feedback please
Postby jasonc » Fri Oct 31, 2014 4:11 pm
actually duck - you may be able to answer thisDuck! wrote:What extra weight? Giant claim to have offset the minor weight increase in the braking system with weight reductions elsewhere for a nett equal weight with the previous equivalent models.splitz wrote: Yeah I saw the 2015 defy and don't want the disc brakes. No point in my view so extra weight for nothing.
do you have a 2014 defy and a 2015 defy that you can weigh and report on the weights?
yes, the frames may be lighter but it's suggested that due to the heavier disc brake assembly they are heavier overall
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Re: 2014 Giant Defy Advanced SL Zero - Feedback please
Postby Cmm » Fri Oct 31, 2014 6:28 pm
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Re: 2014 Giant Defy Advanced SL Zero - Feedback please
Postby splitz » Fri Oct 31, 2014 7:21 pm
Yeah the Wiler ISP is tubular and ID 27.2mm but the Giant ISP is tubular only for the lower few inches then flat, bladed shape, very thin and unlikely a battery can mount in there.mitchy_ wrote:not exactly forthcoming with pictures, but this person claims to have used an internal battery with a TCR ISP frame.splitz wrote:Mmmmm I can't see how, has an integrated seatpost which starts sort of normal round at the top tube but after 5cms turnes into the flat blade shape type.Strydz wrote:.......................the battery hidden away that it can be retro fitted with an internal seat post battery, I know a few people who have done this but none of ........................t is just my own opinion
cheers
http://weightweenies.starbike.com/forum ... 3&t=114443" onclick="window.open(this.href);return false;
the diametre of the battery, and internal width of the ISP in the aero section would quickly tell you if it's possible or not.
Thanks for the reply.
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Re: 2014 Giant Defy Advanced SL Zero - Feedback please
Postby splitz » Fri Oct 31, 2014 7:29 pm
Yeah then they have a lighter frame or lighter components elsewhere, buy either way, the standard Ultegra brakes weight less then then discs. I'd rather stick with side-pull brakes and get a lighter frame = lighter bike again. I've been led to believe there are extra maintenance issues and expense with the discs brakes. They are supposed to give better stopping power in the wet, but I'm a dry weather ider and proud of it. EVen when caught in the rain otw home, wet brakes hasn't been an issue. The dics brakes no doubt stop way better in the dry, but I havce been riding with side-pull brakes for (AT) 26 years and never thought I needed more brakes.Duck! wrote:What extra weight? Giant claim to have offset the minor weight increase in the braking system with weight reductions elsewhere for a nett equal weight with the previous equivalent models.splitz wrote: Yeah I saw the 2015 defy and don't want the disc brakes. No point in my view so extra weight for nothing.
Lets face it, 700 x 23/25C tyres don't stop that well and lockup and skid with side-pull so really any extra braking power isn't going to be used.
I just don't see the need for discs brakes on a road bike, they aren't for me.
cheers and thanks.
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Re: 2014 Giant Defy Advanced SL Zero - Feedback please
Postby Duck! » Fri Oct 31, 2014 7:37 pm
I didn't weigh the bike, but I'll get the guys to do so tomorrow before the customer picks it up.
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Re: 2014 Giant Defy Advanced SL Zero - Feedback please
Postby splitz » Fri Oct 31, 2014 7:41 pm
Cmm I shoulda read this post first! I'd be very interested to see those pictures so I'll PM you my e-mail if that's OK. Obviously need to remove the cranks and BB to run the wire up the seat tube/ISP. Other link above says to chuck the "junction box" up the down tube. I'm a bit confused as to how one would charge the battery! I think the Giant chain-stay mounted one has to be removed from the bracket and placed in a charger. Do I assume you have to remove the seat and ISP clamp and remove battery to charge it? (I'm told the new ISP mounted Di2 charge from a socket on the head unit!)Cmm wrote:I have pics to prove an internal battery does fit into the ISP on the 2012-2014 defy and tcr sl so all good on this front. The rounded leading edge is wide enough for the battery to fit. I even made a bracket so the battery mounted to the ISP topper so battery can't fall down
Cheers
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Re: 2014 Giant Defy Advanced SL Zero - Feedback please
Postby biker jk » Fri Oct 31, 2014 7:43 pm
I've seen a 2015 Advanced SL 0 quoted at 7.22kg but it didn't mention the size. Anyone know what the 2014 model weighs?Duck! wrote:Actually built an Avail (women's Defy) Advanced SL 0 this afternoon, factory specced with internal battery. I can assure you that the Giant ISP frames with both Vector (aero) and D-Fuse (D-shaped "comfort") ISP accept the internal battery.
I didn't weigh the bike, but I'll get the guys to do so tomorrow before the customer picks it up.
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Re: 2014 Giant Defy Advanced SL Zero - Feedback please
Postby splitz » Fri Oct 31, 2014 7:49 pm
Duck, cheers mate, seems Cmm confirms that will fit inside ISP. The one you built though is factory fitted so I assume charges from the head unit?Duck! wrote:Actually built an Avail (women's Defy) Advanced SL 0 this afternoon, factory specced with internal battery. I can assure you that the Giant ISP frames with both Vector (aero) and D-Fuse (D-shaped "comfort") ISP accept the internal battery.......<snip>..........
thanks
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Re: 2014 Giant Defy Advanced SL Zero - Feedback please
Postby Duck! » Fri Oct 31, 2014 7:57 pm
You have been misled. Cable-operated discs require no more periodic adjustment than rim brakes. Hydraulics do the wear compensation themselves.splitz wrote:I've been led to believe there are extra maintenance issues and expense with the discs brakes.
One of the online cycling rags just recently did a head-to-head of rim vs. hydro disc (the author's opinion is that mechanical discs are a waste of money) on otherwise similar bikes, using the fairly simple measure of comparing stopping distance to determine the relative effectiveness of the brakes. In the dry, both were very similar, with the disc pulling up only slightly shorter. In the wet, the discs came out significantly further in front (as expected). The third test they did was single-finger braking. By cutting the input power from the rider back to a minimum, it tests how efficient the braking system is at getting that input through to the brake. Not surprisingly, both brakes took longer to stop than in the full-power dry test. However, stopping distance on the cable brake blew out enormously, while the hydro was only slightly longer.They are supposed to give better stopping power in the wet, but I'm a dry weather ider and proud of it. EVen when caught in the rain otw home, wet brakes hasn't been an issue. The dics brakes no doubt stop way better in the dry, but I havce been riding with side-pull brakes for (AT) 26 years and never thought I needed more brakes.
Lets face it, 700 x 23/25C tyres don't stop that well and lockup and skid with side-pull so really any extra braking power isn't going to be used.
I just don't see the need for discs brakes on a road bike, they aren't for me.
The short conclusion is that absolute braking power is not significantly different, but hydraulics require a fraction of the effort from the rider to achieve it.
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Re: 2014 Giant Defy Advanced SL Zero - Feedback please
Postby Duck! » Fri Oct 31, 2014 8:00 pm
Yes, the bike is fitted with the EW90 junction box, which has a USB-connected charging port.splitz wrote:Duck, cheers mate, seems Cmm confirms that will fit inside ISP. The one you built though is factory fitted so I assume charges from the head unit?Duck! wrote:Actually built an Avail (women's Defy) Advanced SL 0 this afternoon, factory specced with internal battery. I can assure you that the Giant ISP frames with both Vector (aero) and D-Fuse (D-shaped "comfort") ISP accept the internal battery.......<snip>..........
thanks
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Re: 2014 Giant Defy Advanced SL Zero - Feedback please
Postby splitz » Fri Oct 31, 2014 8:07 pm
Misled I was!Duck! wrote: You have been misled. Cable-operated discs require no more periodic adjustment than rim brakes. Hydraulics do the wear compensation themselves.
Sorry I assume you mean the rim brake not cable disc? Interesting result..............<snip>.................. However, stopping distance on the cable brake blew out enormously, while the hydro was only slightly longer.
The short conclusion is that absolute braking power is not significantly different, but hydraulics require a fraction of the effort from the rider to achieve it.
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Re: 2014 Giant Defy Advanced SL Zero - Feedback please
Postby splitz » Fri Oct 31, 2014 8:09 pm
cheers, I'll wait to hear from Cmm about how to charge when mounted in seat post...thanks!Duck! wrote:Yes, the bike is fitted with the EW90 junction box, which has a USB-connected charging port.
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Re: 2014 Giant Defy Advanced SL Zero - Feedback please
Postby Duck! » Fri Oct 31, 2014 8:23 pm
Yes, the article I referred to compared cable-operated rim brakes with hydro discs. In line with the authors disparaging opinion of cable discs, they were not tested.splitz wrote:Misled I was!Duck! wrote: You have been misled. Cable-operated discs require no more periodic adjustment than rim brakes. Hydraulics do the wear compensation themselves.
Sorry I assume you mean the rim brake not cable disc? Interesting result..............<snip>.................. However, stopping distance on the cable brake blew out enormously, while the hydro was only slightly longer.
The short conclusion is that absolute braking power is not significantly different, but hydraulics require a fraction of the effort from the rider to achieve it.
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Re: 2014 Giant Defy Advanced SL Zero - Feedback please
Postby eeksll » Fri Oct 31, 2014 9:03 pm
One annoying thing with hydraulic disc brakes is once the rotors is bent a little ... its scrape scrape scrape scrape ... while riding. I have considered going hydro for the commuter but this reason is holding me back, with all the bike rack slots and lots of bikes in close proximity where I park it, I am just not confident I can keep the rotor straight for very long.
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Re: 2014 Giant Defy Advanced SL Zero - Feedback please
Postby Duck! » Fri Oct 31, 2014 9:19 pm
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Re: 2014 Giant Defy Advanced SL Zero - Feedback please
Postby splitz » Fri Oct 31, 2014 10:26 pm
Yes heard thew cable discs are cheap....and..... NASTY! Thanks for the info, very helpul.Duck! wrote:Yes, the article I referred to compared cable-operated rim brakes with hydro discs. In line with the authors disparaging opinion of cable discs, they were not tested.
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Re: 2014 Giant Defy Advanced SL Zero - Feedback please
Postby Cmm » Sat Nov 01, 2014 8:33 am
It's getting the di2 and hydro treatment in the next few weeks
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