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Official Trek DS owners thread

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Official Trek DS owners thread

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Old 02-18-19, 08:03 AM
  #1701  
hokiefyd
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Originally Posted by SoberPanda View Post
So coming back to DS4, one obvious upgrade I can think of is getting thinner tires, Have any of you done that? I mostly ride on roads so how thin can I get? Is the trade off between less rolling resistance and less comfort worth a try?
They're worth a try, to see if you like how they feel (the thinner tires), but I don't think you'll be measurably faster with them. It's been demonstrated through various instrumented testing that thin tires with high pressure can help on glass-smooth surfaces (like velodromes or super smooth asphalt), but the benefits break down pretty quick when you add much texture to the surface (as with most asphalt and concrete, and certainly gravel).

If you want more speed and ride mostly on smooth roads only, I think your biggest bang for the buck will be swapping to a suspension-corrected rigid fork. The stock fork is pretty heavy, which dampens response, makes it harder to accelerate, etc. Your bike will feel completely different with a rigid fork (for the better, if you're after speed and agility).

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Old 02-18-19, 08:54 AM
  #1702  
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Originally Posted by hokiefyd View Post
They're worth a try, to see if you like how they feel (the thinner tires), but I don't think you'll be measurably faster with them. It's been demonstrated through various instrumented testing that thin tires with high pressure can help on glass-smooth surfaces (like velodromes or super smooth asphalt), but the benefits break down pretty quick when you add much texture to the surface (as with most asphalt and concrete, and certainly gravel).

If you want more speed and ride mostly on smooth roads only, I think your biggest bang for the buck will be swapping to a suspension-corrected rigid fork. The stock fork is pretty heavy, which dampens response, makes it harder to accelerate, etc. Your bike will feel completely different with a rigid fork (for the better, if you're after speed and agility).
That's a good thought but unfortunately the road condition around me isn't that great so the suspension does help.
Can you recommend some thinner tire?
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Old 02-18-19, 09:40 AM
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Originally Posted by SoberPanda View Post
Can you recommend some thinner tire?
I cannot; I don't have experience with tires less than about 35mm. I have 2" / 50mm tires on my Giant Roam (same concept as Trek DS), the same Schwalbe Hurricanes that Jerry mentioned above. They have a completely slick center tread, so they roll very smooth and fast (for me). If your roads are such that you really want the suspension for comfort; I suspect you will not be happy with narrow tires (and they won't be of help on surfaces that rough anyway). You can run tires like the Hurricane at lower pressures and just float over road imperfections that a narrower tire with higher pressure will bounce over.


IMG_20180530_170543731 by jnjadcock, on Flickr


IMG_20180530_170330496 by jnjadcock, on Flickr

Of course, only you can decide what compromise works for you. Schwalbe and Continental are both leading bicycle tire manufacturers, and both offer quality tires. Of course, there are a LOT of good tire manufacturers out there...it just depends on what's available to you locally or online.
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Old 02-18-19, 02:22 PM
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Originally Posted by SoberPanda View Post
That's a good thought but unfortunately the road condition around me isn't that great so the suspension does help.
Can you recommend some thinner tire?
You don't necessarily want a 'thinner' tire; you want a better tire if your objective is to reduce rolling resistance/increase 'speed' for a given effort.

Lower rolling resistance is a product of better tire materials, design, construction, tread. If you replaced the stock 38mm Bontragers on your bike (I'm assuming that's what is on there) with a set of these -- https://www.renehersecycles.com/shop...8-barlow-pass/ -- in either version, the difference would be quite noticeable. Same width; much 'faster' tire.
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Old 02-19-19, 12:52 AM
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[QUOTE=badger1;20800906]You don't necessarily want a 'thinner' tire; you want a better tire if your objective is to reduce rolling resistance/increase 'speed' for a given effort.


Thanks, That tire has good reviews but don't think these are available in Mumbai. During my research I have found 'SPECIALIZED ALL CONDITION ARMADILLO ELITE 700C FOLDABLE'. Do you think these will help? Also, will they fit?
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Old 02-21-19, 05:41 PM
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Hey DS people. I’m still loving my DS4 that I bought last year. I have now ridden it enough to know that I would like to change my riding position a bit. I would like to sit up straighter and take some of the pressure off my hands. I would like to get some riser bars. Has anyone done this? I was looking at the Race Face ones but I have no idea what to choose. This is probably one of those “....talk to the LBS guys” situations. I was wondering if any of you knowledgeable people had any advice ? Has anyone got a recommendation on quality bars?
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Old 02-22-19, 07:33 AM
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Originally Posted by BeachBunny View Post
Hey DS people. I’m still loving my DS4 that I bought last year. I have now ridden it enough to know that I would like to change my riding position a bit. I would like to sit up straighter and take some of the pressure off my hands. I would like to get some riser bars. Has anyone done this? I was looking at the Race Face ones but I have no idea what to choose. This is probably one of those “....talk to the LBS guys” situations. I was wondering if any of you knowledgeable people had any advice ? Has anyone got a recommendation on quality bars?
You could also change your stem, if you haven't done that already. If you like the general shape and width of your handlebar, but just want it higher...check out a taller or more angled stem. Or even a stem extension. Yes, the local bike shop folks would definitely be able to help you there.

(Another option is a bar that sweeps further back. It wouldn't necessarily be higher, but your hands would be further back, making you sit more upright. It's a different feel for sure -- something probably to test ride first.)
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Old 02-22-19, 07:59 AM
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Thanks for your reply hokiefyd. I realize this is a subjective problem and will definitely talk to my LBS. I did change out my stem, but maybe not enough. I went from a 90mm 7 degree to an 80mm 17 degree one. As well as bringing the bars up and a little closer, I’m interested in the idea that new bars could also change the angle of my wrists slightly.

Do bike shops allow test rides of different bar styles? I’ve been through this with my motorcycle. I had to choose a set of bars based on the specs and reviews of people who had them. I was not able to test ride. The bars I ended up with are fine, but I could have done better I think. On my bicycle, I would like to get it right the first time.
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Old 02-22-19, 02:56 PM
  #1709  
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I have 70mm 35 degree stems on many of my bikes. Fairly short and fairly tall. They're pretty inexpensive online, and probably worth a try.
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Old 02-24-19, 06:35 AM
  #1710  
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Thanks. I’ll take a look at that.
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Old 02-25-19, 01:06 AM
  #1711  
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Originally Posted by SoberPanda View Post
Thanks Guys.
I assume you meant clipless, I do use them. I do see some benefit in sprints, but it has only been some time. I am concentrating on not dying on steep climbs so dont think I use the advantage of clipless on climbs yet. I do wear proper clothing as well. Changing the rim and tires sounds like a big investment, but I take it the benefits are proportional according to you. Would changing just the tires have very minimal impact?
Also, I wanted to know, does locking out the suspension when there are some patches of bad road, cause any harm to the suspension?
Yes I meant clipless lol. The rims are an investment much like anything you get for the bike. I’ll let you know soon if they really do make a difference on the Ds as I’ve just ordered some DT Swiss xr331 rims. 380g each as opposed to the 620g Bontrager standard rims. Also fork wise I have a Rockshox 30 gold rl preordered (not available till 11th March) this has 100mm travel but with remote lockout. The standard suntours weigh approx 2400g and the Rockshoxs weigh approx 1800g. With both these installed the bike should be noticeably quicker.

For my my commute I’ve switched out to continental top contact 2 tyres, currently I don’t feel much difference from the standard tyres �� but I haven’t been that well so could be why. Again will feedback after a while of riding.
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Old 02-26-19, 10:49 PM
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Originally Posted by Nicktrek8.4 View Post


Yes I meant clipless lol. The rims are an investment much like anything you get for the bike. Iíll let you know soon if they really do make a difference on the Ds as Iíve just ordered some DT Swiss xr331 rims. 380g each as opposed to the 620g Bontrager standard rims. Also fork wise I have a Rockshox 30 gold rl preordered (not available till 11th March) this has 100mm travel but with remote lockout. The standard suntours weigh approx 2400g and the Rockshoxs weigh approx 1800g. With both these installed the bike should be noticeably quicker.

For my my commute Iíve switched out to continental top contact 2 tyres, currently I donít feel much difference from the standard tyres �� but I havenít been that well so could be why. Again will feedback after a while of riding.
thanks Nick, looking forward to your feedback.
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Old 03-02-19, 11:17 AM
  #1713  
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Hello, Have any of you tried 700* 28 tyres on DS4? Do they fit?
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Old 03-04-19, 12:36 AM
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Originally Posted by SoberPanda View Post
Hello, Have any of you tried 700* 28 tyres on DS4? Do they fit?
I should think so, although mines older mine came stock with 700x28, now running 29x2.0 which I think is close to 50mm.
What size have you got on there now?
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Old 03-04-19, 01:59 AM
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Originally Posted by Nicktrek8.4 View Post

I should think so, although mines older mine came stock with 700x28, now running 29x2.0 which I think is close to 50mm.
What size have you got on there now?
It came with 700*38c and the rims are Bontrager Tubeless Ready Disc, 32h. Somehow I dont find details of any of the parts used in DS individually on internet.
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Old 03-04-19, 06:23 AM
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700x28mm tires will definitely fit. They'll be pretty narrow, but they'll fit.
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