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Posted

I imported a Swift Carbon Road Bike and it came with what looked like a very cool set of carbon wheels complete with Shwalbe tubbies. I was advised to rather buy some clinchers for general use which I did (Mavics with Chris King hubs). I have never tried the carbon wheels and I must say I'm very keen to do so as they are just gathering dust, so I'm wondering if I should try them out or just sell them as I'm not really a racer? (I do the PPA rides but not a Race Snake)

 

Any advice ? Perhaps they have a real value to someone else and I use the loot to upgrade something else

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Posted

Sell them, tubbies just spell trouble.

 

I have been on tubbies for 13000 km on mtb and Road. Have only been let down once.

 

Tubbies need to be managed very differently, I do carry a spare tubbie on long road rides,used ( twice). The heavy duty sealant does a great job, even at 6 bar plus. It will blow out at 8 bar. The cheap tubbies are asking for trouble, 80 TPI casings and a whisper of tread. The 200TPI casings offere a great puncture protection and good feel under 7 bar. MTB, the weight benefits are obvious nearly 300g per tyre, puncture resistance on rocky stuff is good due to high TPI counts, a cut side wall doesnt stop you due to the internal tube, the worst i had was to force a quick gator into the tyre body as the tube started to push out the side wall a little.

 

 

If a tubby is glued, its a 30 second change, to get to the end of a ride, tape- you need to be super human to rip it off at that rate.

 

 

Rim wise, I have shattered a proto-type mtb carbon, at 250g for a 29er, was sort of expected. The alu rims I run on MTB are great, stiff and cheap and just on 320g.

 

Tubbies and glue under extreme braking does make for an interesting combination, but I havent found any hills in SA to match the Apline monsters that have caused that. With disc brakes going to the road, the scope for improvement on the tubby is far greater that a clincher, ito weight reduction, but I dont see it as a critical factor given the new age deep section rims.

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