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snclawson

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Reply with quote  #26 
Quote:
Originally Posted by LewisQC


Can't say for this wheelset but I can say from personal experience that Dtswiss are usually pretty accurate with their published weight...


     I just got a pair of the XR2.0's and as they are in the box (15mm thru-axle end caps on the front, no rotor lockring and no tubeless valve installed, 10/11 speed mountain freehub), mine came out to: 884g (890g claimed) for the rear and 727g (740g claimed) for the front, for a total of 1611g for the set.  So I'm happy about the weight. 

     The front 15mm endcaps are a little screwy in that they don't seem to turn all that smoothly, but since I'm replacing them with 12mm endcaps I'm not that worried.  The rear is nice and smooth though.

     I still have to wait until my 650b tires show up, so weighing them is about all I can do with them right now. =(  Ok, and the cassette, since I opted to order the 11-34t HG700 instead of swapping out the freehub for an 11-speed road one.
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oleritter

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Reply with quote  #27 
I've heard similar comments about the 15mm DT caps.  The 15mm ones just "float" outside of the bearing.  It is not until the axle is through and tightened down that everything lines up and turns smoothly.  I'm sure I thought the same thing the first time I had one in my hands.  The 12mm caps are different, they slide into the inner bore of the bearing.
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clarksonxc

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Reply with quote  #28 
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Originally Posted by oleritter
I've heard similar comments about the 15mm DT caps.  The 15mm ones just "float" outside of the bearing.  It is not until the axle is through and tightened down that everything lines up and turns smoothly.  I'm sure I thought the same thing the first time I had one in my hands.  The 12mm caps are different, they slide into the inner bore of the bearing.


It's tidbits like these that keep me reading threads that I should have no interest in.  Thanks!
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snclawson

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Reply with quote  #29 
The rest of my 650b bits came yesterday and this morning I figured I'd get everything put together and do a short ride to try them out.  Turns out while I was worried about the height of the tire, the biggest constraint is the slightly less than 46mm of width at the chainstays and the tires I got measure closer to 48mm.  Really should have measured first instead of just assuming there would be plenty of space!

     In the end it would seem that my tire choices are basically the same as they were for 700c (`gravel' specific tires mainly, or road/commuter slicks!).  Panaracer has some Gravel Kings in a 27.5"x1.75" size, which is showing as ETRTO 42x584 and the Surly Knard 650b tires look interesting.  Not sure if it's really worth it though, especially with the loss in BB height.
     



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chas

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Reply with quote  #30 
My solution to that problem is to go fat up front only.  650x54 front matched to a 40x700 in the rear.  Food for thought.
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snclawson

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Reply with quote  #31 
That's a great idea, I'll give that a try!  The front has pretty reasonable limits, other than trying to match what I end up with on the back. =)

I ended up looking at tires at Planet X and went a little nuts too (might as well buy some more stuff as long as the shipping cost doesn't go up, right?).  I've got a set of Clement Strada USH and XPlor MSO 42mm 650b tires on their way, along with a Schwalbe Smart Sam 40mm and some CycloX-King 35mm 700c tires (amongst other things).  So definitely some more options to play around with.  

Granted, I can always fall back on my ancient (circa '97) 26" hardtail for any trail that needs serious tires and low-end gearing (gotta love that triple!), but the more overlap the better.  


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widerisfaster

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Reply with quote  #32 
Quote:
Originally Posted by chas
My solution to that problem is to go fat up front only.  650x54 front matched to a 40x700 in the rear.  Food for thought.


I bought a set of Giant P-TRX1-C carbon 27.5" wheels for $250, the 22C inner width is perfect for gravel, but too narrow to have any resale in MTB applications.

I had to buy a 15mm to 12mm sleeve for the front axle, and have the local shop lathe 2mm off the outer hub to fit into the fork. 

I went to go for the first ride, only to find the rear wheel is in need of a true, and too close to the chainstays. So I did a 40km ride with a 27.5x2.1" Thunderburt in the front, and a Compass 700x35 slick in the rear. The diameter matches up pretty well, and the extra float on the front was great over soft patches. 

I imagine having extra front width/grip may be enough for riding in mud or loose gravel.
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snclawson

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Reply with quote  #33 

Just about got everything together for a first run of the 650b setup.  DHL shipping from Planet X was much quicker than I expected!  Ordered on Monday and a giant box showed up on Thursday!  Now I just need to swap out my chain for a slightly longer one due to the 34t sprocket in the back.  

When checking out setting up the XR2.0's tubeless the first time, the tubeless tape that was on there was leaking a bit (air was coming through the rim where the nipples are), which I assume because they are new old stock and the tape is a little old.  I just ended up sticking the Clement XPlor MSO's on with inner tubes for now.  Maybe they'll compress the tape and get it to seal? 

Looking at the bike with the 42mm 650b tires on it does make me realize that I'm not likely taking this much off road, since I've lost a fair amount of bottom bracket/pedal clearance .  The BB is only about 10.5" high at this point, without me on the bike.  A A big 650b tire on the front with the biggest 700c tire I can put on the back should be more interesting.  As it is through, these should make for a nice comfy commuter tire that I could take offroad where there isn't much need for much ground clearance.  

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snclawson

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Reply with quote  #34 
     Well, I was finally able to test out my 650b setup this morning!  Really it was just an extended ride into work: ~33.7km, with ~404m of climbing; 99.9% on the road.  The main things that I noticed, going from a 700c 28mm Panaracer Race D Evo3 to the 650b 42mm Clement X'Plor MSO, so some of these aren't really that unexpected!

- The bike felt quite a bit slower, which I can only imagine this is due to much increased rolling resistance of the much wider tire with a somewhat chunky tread.  

- The bike really felt a lot more `planted' on the road, especially for the few times that I ventured off into the gravely shoulder for a bit.  It just plowed through things instead of bouncing around.  Cornering felt really solid too.  

- The steering was much less twitchy and it felt like the front wheel really wanted to just keep going straight.  I really noticed this going downhill; it felt like I didn't even need to hold on to the handlebars at all!

- Never really noticed or had any issues with the lower bottom bracket height.  Granted, the biggest obstacles I had to go over were some tree roots that had pushed up the asphalt on a bike path.  They were much nicer to go over though!

     The upside is that I'm happy with things so far.  I've got a set of 40mm 700c MSO's on their way and I'm looking forward to seeing how they compare, not to mention having a 40mm 700c on the back and a 50+mm 650b tire on the front.   =)



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SuperDave

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Reply with quote  #35 
I just installed the Traverse Alloy 650B wheels on my 3T EXPLORO:
https://rovalcomponents.com/products/2018-traverse?variant=13288802484276

$299.

-SD

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snclawson

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Reply with quote  #36 
Those look like very nice wheels.  The 29mm internal width should work really well with the bigger tires that the EXPLORO can take!  It looks like it only comes with an XD Freehub though? or is that in addition to a standard Shimano Freehub body?

Just got a second ride in (a little longer, about 40k this time) with an actual bit of dirt trail riding in the middle and it was a lot of fun with the 650b 42mm XPlor MSO's.  It was maybe a mile or so of mainly downhill, and I had a smile on my face the entire time!  Didn't have any issues with pedal clearance or tire grip either.   Still wish I could fit some bigger tires on there, but I did realize that as a bonus I shouldn't have any issues with mudguard clearance.  Granted, that assumes I'd actually want to ride in weather that would require bigger tires and mudguards.  Although I am feeling motivated to ride more again, so I probably will. =)
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SuperDave

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Reply with quote  #37 
The Roval wheels use DT hub internals so a freehub change is possible from XD to Shimano (or XD-R or Campagnolo or ...)
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