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Regarding the medium cage derailleur, I doubt that it will be any cause for concern. It should function exactly the same with the 11-28. It's just that the short cage version is used in combination with the 11-28 on most factory installations. You will have a chain that will be slightly longer than needed (for the 11-28) but the medium cage derailleur is capable of handling that without a problem.
Actually you're in a good situation. You will have both cassettes and a derailleur that will let you switch between them as your riding locale dictates. To me the only downside is a trivial bit of additional weight. |
Originally Posted by qajaq
(Post 20373673)
Regarding the medium cage derailleur, I doubt that it will be any cause for concern. It should function exactly the same with the 11-28. It's just that the short cage version is used in combination with the 11-28 on most factory installations. You will have a chain that will be slightly longer than needed (for the 11-28) but the medium cage derailleur is capable of handling that without a problem.
Actually you're in a good situation. You will have both cassettes and a derailleur that will let you switch between them as your riding locale dictates. To me the only downside is a trivial bit of additional weight. |
My comp didn't come with a SWAT box.hey pieced one together for me on site so I didnt have to order one. Charged the same as if I ordered it. Kinda cool actually.
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I got the 2018 red Expert DI2. The rear cassette is an 11/28 and the swat box only included the multi-tool. My CO2 inflator doesn't fit the box either. I put the tube in there along with a CO2 cartridge, but I still have a seat-bag with my CO2 inflator head and tire levers. I also put my phone/keys in there. I'm thinking of taking the swat-box off and just using the seat-bag I've always used instead of buying all the other stuff I'd need that specifically fits in the SWAT box. I was going to get the comp, but they only had the expert in stock. It had been there a while so they did discount it several hundred dollars. I still paid an obscene amount for a bike, but I really like the smooth ride. I am a bit miffed that I have to buy the Bluetooth transmitter as a separate item. I feel the bike should be include the transmitter out of the box.
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Yeah it is a shame you have to shell out an extra $100 for the transmitter. It is pretty cool to be able to use the top hood buttons to sequence through my Garmin Edge screens though. :D
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I want to make my Roubaix Expert a "Diverge Lite", as one of my favorite rides alternates between a gravel pathway and paved roads.
Most everything I've read says that a 32 should fit, but i haven't found a review where anyone's actually tried. My main concern is frame rub. Does anyone happen to know the widest set of tires can fit on a 2017 Roubaix? And yes, I've done the research to see if I could just trade in my current and walk out with a new Diverge... but SWMBO gave me major side-eye when I mentioned the financial hit this would entail. |
The Specialized Roubaix 30/32 Tubeless tires will barely clear the front fork at 70PSI.
Link here The ride is really plush and I have no issues on gravel with these tires. |
I want to commute on my 2017 Roubaix. Has anyone put a rack on their bike? I wonder if the flex in the seat post will make a rear rack difficult?
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Originally Posted by pdoege
(Post 20389704)
The Specialized Roubaix 30/32 Tubeless tires will barely clear the front fork at 70PSI.
Link here The ride is really plush and I have no issues on gravel with these tires.
Originally Posted by dynawolf
(Post 20399618)
I want to commute on my 2017 Roubaix. Has anyone put a rack on their bike? I wonder if the flex in the seat post will make a rear rack difficult?
Should not be an issue ----- https://www.amazon.com/HOMEE-Univers...6SGKTXSQ6WQAA2 |
Anyone put Continental's Grand Prix 4000SII on their Roubaix in 28mm size? Thinking of doing this fairly soon to add some comfort and speed. These 28mm tires run a touch wide but was thinking they'd probably fit?
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Originally Posted by OUGrad05
(Post 20412191)
Anyone put Continental's Grand Prix 4000SII on their Roubaix in 28mm size? Thinking of doing this fairly soon to add some comfort and speed. These 28mm tires run a touch wide but was thinking they'd probably fit?
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Originally Posted by OUGrad05
(Post 20412191)
Anyone put Continental's Grand Prix 4000SII on their Roubaix in 28mm size?
I think you'll be fine. |
Originally Posted by OUGrad05
(Post 20412191)
Anyone put Continental's Grand Prix 4000SII on their Roubaix in 28mm size? Thinking of doing this fairly soon to add some comfort and speed. These 28mm tires run a touch wide but was thinking they'd probably fit?
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My Schwalbe One 28's measured out at 30.4mm and still had lots of room. I have a Zipp course 30 on the rear now that measured 30.6 after ~2k miles and still lots of room. Gonna try Panaracer gravel king 32's next, maybe another month until the zipp is trashed before they go on.
p.s. The Schwalbe One 28's are my all time favorite tire. ~3k on the rear and the front is at 4.7k miles and still going strong. Plus they feel great and I have had not a single flat with them (this must be luck). Once the Panaracer's are gone I'll be going back to these |
Follow-up: Panaracer GravelKing 32's fit with loads of space to spare. Measured out at 31.8 at 75psi
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Originally Posted by LGHT
(Post 19057633)
I agree. I used to ride a tarmac, but since I'm older at 46 it's was too racey and aggressive on my back after 20 miles so I got a 2016 Roubaix recently. I go it not because I ride cobbles or bad roads, but because it's just more of a comfortable relaxed ride.. Last night I rode over a bad beat up part of the MUP that was horrible on the tarmac last week, but last night it was a breeze. Would it have been better on the new 2017 hrmmmm maybe, but not much more if at all. I think most Roubaix riders are more concerned with the relaxed comfort than trying to race over cobbles and still be "comfortable" which seems to be lost on the more aggressive tarmac geometry of the 2017.
I think Spech is on to something and will corner the market by getting all the road racers who ride bad roads, but they will also lose all the guys like me who want to purchase a nice relaxed fitting bike who doesn't race or ride cobbles. |
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Originally Posted by pdoege
(Post 20444775)
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