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Compass Babyshoe Pass 650B x 42 mm

Old 10-19-20, 12:16 PM
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iTrod
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Compass Babyshoe Pass 650B x 42 mm

I am having a 650B wheel set built for my Litespeed Cherohala. Does anyone have experience with the Compass Babyshoe Pass in the Endurance version? I am looking for a reliable rando tire and have an aversion to punctures. I currently ride on the Continental Gran Prix 4-season tires in the 700C x 32 mm size and love them on pavement. They are a bit too narrow for gravel grinding.
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Old 10-19-20, 02:52 PM
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unterhausen
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There is something to be said for a little tread on gravel.
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Old 10-19-20, 03:04 PM
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wgscott
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I have essentially the same tire, but 38mm 700C (Barlow Pass). These do very well on gravel and are superb on pavement. They are the extra light/most fragile version, but I have not had any problems with flats. I also have 55mm 700C Antelope Pass tires, which are the endurance plus version. I've only put a few miles on these on a touring bike, but they seem to be no worse on road than the Barlow Pass tires, and the transition to off-road (course, irregular gravel) is almost unnoticeable.

My 38mm slicks do slide around a bit on steep climbs, but not enough to be concerned with them. Having said that, for really demanding rides, I use the treaded version (Steilacoom), and they handle almost everything, with only a minimal on-road penalty (they are more sluggish hill-climbing on paved roads vs. the Barlow Pass tires).
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Old 10-19-20, 03:39 PM
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David in Maine
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I've been using the extra light version tubeless for awhile now. Used on a paved 300k brevet and on a bunch of mixed road/off -road rides. Nothing too gnarly. Zero flats and I'm very happy with the ride and performance.

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Old 10-19-20, 07:52 PM
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walnutz
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Iíve been commuting on the 650x48 Endurance casing. No flats so far and I donít anticipate any- they seem very sturdy. I run them tubeless.
I had all sorts of trouble getting the Extralight casing to work tubeless but ymmv
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Old 10-19-20, 07:53 PM
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Originally Posted by unterhausen View Post
There is something to be said for a little tread on gravel.
If you go wide enough you just kinda roll over everything, even with slicks. Pretty fun
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Old 10-21-20, 05:42 PM
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I am currently on the regular Babyshoe Pass but have also used the EL before. I ride predominantly on roads, with only a small percentage on gravel but most of my rides include small forest roads in the mountains that get a lot of debris after rock slides. I am amazed how long I can go without punctures. My longest stretch lasted 22 months but well over a year is not unusual (that's at 6,000-8,000 km/year).
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Old 12-09-20, 06:49 PM
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Experience with Rene Herse 38's.

7 years ago I rode the Louploup Pass tires 2600 miles, and had the same number of flats as my partner, who was riding on Gatorskins. Of course, the tires were pretty worn by the end of the ride. I rode 75 - 100 miles a week, and switched to the EL version (because my lbs had them in stock) a couple of months ago, and have gone through a fair amount of glass with no punctures.
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Old 12-10-20, 10:03 PM
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Originally Posted by wgscott View Post
I have essentially the same tire, but 38mm 700C (Barlow Pass). These do very well on gravel and are superb on pavement. They are the extra light/most fragile version, but I have not had any problems with flats. I also have 55mm 700C Antelope Pass tires, which are the endurance plus version. I've only put a few miles on these on a touring bike, but they seem to be no worse on road than the Barlow Pass tires, and the transition to off-road (course, irregular gravel) is almost unnoticeable.

My 38mm slicks do slide around a bit on steep climbs, but not enough to be concerned with them. Having said that, for really demanding rides, I use the treaded version (Steilacoom), and they handle almost everything, with only a minimal on-road penalty (they are more sluggish hill-climbing on paved roads vs. the Barlow Pass tires).
Have just setup tubeless the black EL 44cm filetread. Noticed/felt straightaway the narrower 2mm tread height in the center over their other options which have 3mm. I think this is the reason they are faster than the 38mm/3mm.
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Old 12-22-20, 08:24 AM
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650B x 42 mm Babyshoe Pass Tires



The 700C PDW fenders look a bit wonky, but they will do. Have Kenda tubes with the endurance tire. The tubes are so heavy that I may need to consider tubeless setup.
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Old 12-22-20, 11:00 AM
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I'd be interested in a comparison of the RH endurance casing to gravelkings if anyone has run both. RH-EL vs. gravelkings is a noticeable difference, but I've never bought anything but the EL's from Compass/RH.
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Old 12-22-20, 11:09 AM
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I've never run gravel-kings (RH tires are special runs from Panaracer), so I cannot compare to them, but the Endurance + version now on both slick and treaded versions of their 55mm 700C tires. Both are superb. My kid, who races XC in non-pandemic times, has taken over the treaded ones (Fleecer Ridge) for his XC bike, and likes them better in many respects when compared to true mountain bike tires. (As a bonus, the price tag of a fleecer ridge is in-line with what people pay for good mountain bike tires, so you don't feel like you are getting fleeced so much.) He set them up tubeless with their Panaracer sealant. They were fiddly to seat, he said. The XC bike has rather narrow carbon rims.

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Old 12-22-20, 03:02 PM
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Originally Posted by kingston View Post
I'd be interested in a comparison of the RH endurance casing to gravelkings if anyone has run both. RH-EL vs. gravelkings is a noticeable difference, but I've never bought anything but the EL's from Compass/RH.
I have both. RH endurance casing seems significantly more robust to me. Iím pretty sure the sealant in them has dried out but I havenít refilled them bc Iím honestly not worried about flatting (I do carry a tube).
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Old 12-24-20, 11:26 PM
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Excellent tire for road and gravel. Not super flat resistant but good. Not a good tire for extensive mud, grass, sand, or roads where there are a lot if thorns or glass. Wonderful ride, reminds me of riding tubulars way back when... I have been riding them on at least one bike for more than 7 years... On most gravel roads low pressure is much more important than tread for traction so slicks do work well.
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Old 03-28-21, 06:36 PM
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Getting Fatter

I put over 500 miles on the Babyshoe Pass 650B x 42 mm tires. No punctures, but the rear tire had two holes that penetrated through to the inner casing. The heavyweight Kenda tube saved me from at least one flat. The tube actually had a sizeable cut in it from the larger tire hole, but it did not make it all the way through. I liked the ride of the 42 mm tires and thought I would give the 48 mm version a try.
Whereas the 42 mm tires had a significantly smaller diameter than my 700C x 32 mm wheel, the 650B x 48 mm tires come pretty close to the same diameter.
I usually put 85-95 psi in the 700C x 32 mm tires, 50-55 psi in the 650B x 42 mm tires, and will try 40-45 psi in the 650B x 48 mm tires.
I am looking forward to trying these out on a 100K tomorrow.

Compass Switchback Hill tires mounted on the Cherohala

48 mm tire on the rear. 42 mm tire on the front in the foreground

Going fatter
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