Continentail Grand Prix Supersonic vs. Veloflex Record: Opinions wanted

Discussion in 'Cycling Equipment' started by Max Phillips, Jan 23, 2007.

  1. Max Phillips

    Max Phillips New Member

    Joined:
    May 9, 2006
    Messages:
    52
    Likes Received:
    0
    Title pretty much says it all. Getting ready to pick up some tires that'll be used for race days only (can't afford tubulars/rims). Does anyone have any experience with these tires? If so can you post what you think about them?
     
    Tags:


  2. bobbyOCR

    bobbyOCR New Member

    Joined:
    Aug 31, 2005
    Messages:
    1,357
    Likes Received:
    0
    supersonics have little to no tyre life. They are good for, at best, maybe 500km. They are truly a race day tyre and if you use them on less than ideal roads, they might not last you a race (depends on distance, weight, etc. etc.). If they are for a special race where you are prepared to take a risk puncturing, go for it.
     
  3. 531Aussie

    531Aussie Well-Known Member

    Joined:
    Apr 11, 2004
    Messages:
    12,606
    Likes Received:
    137
    I haven't had a Veloflex, but yeah, the Supersonics have very little life in them. I didn't find the Supersonics to be anything special; I still prefer Pro Races

    We used to have criteriums around the carpark of VFL Park (~2.5km circuit), and a guy said to me that the Supersonics saved him 4mins a lap. :D
     
  4. Bro Deal

    Bro Deal New Member

    Joined:
    Jun 26, 2006
    Messages:
    6,701
    Likes Received:
    2
    I found the Records to be too vulnerable to flats and cuts. The Pave is a much better choice. None of this stuff is very durable. You have to weigh the consequences of flatting against the very small benefits of the 40 - 50 grams per wheel you will save with the Veloflex Pave vs. a heavier tire.

    You might want to try mixing tires and using heavier rubber on the rear.

    I have not tried the Supersonic version of Conti's road tires, but I have used the MTB version. They get torn up pretty quickly.
     
  5. MidBunchLurker

    MidBunchLurker New Member

    Joined:
    May 2, 2003
    Messages:
    452
    Likes Received:
    0
    I think you're better off with GP4000s. The Supersonic is billed as a TT tyre - I certainly wouldn't take one near a road race.
     
  6. jcjordan

    jcjordan New Member

    Joined:
    Apr 5, 2004
    Messages:
    504
    Likes Received:
    0
    Save some money and buy a set of the Force/Attack will give you similar handling and performance and last alot longer
     
  7. bobbyOCR

    bobbyOCR New Member

    Joined:
    Aug 31, 2005
    Messages:
    1,357
    Likes Received:
    0
    Wrong. Crap rolling resistance. get pro2race or schwalbe ultremo.
     
  8. MidBunchLurker

    MidBunchLurker New Member

    Joined:
    May 2, 2003
    Messages:
    452
    Likes Received:
    0
    I've raced with Force/Attacks. Nothing wrong with them and much preferred them over Proraces, which I find lack road feel. I also really enjoy Hutchinson's top-end tyres. If I was shopping for race tyres right now though, GP4000s would go on. (currently riding sponsored Kenda Kalientes, which haven't given any problems)
     
  9. bobbyOCR

    bobbyOCR New Member

    Joined:
    Aug 31, 2005
    Messages:
    1,357
    Likes Received:
    0
    While I ride on Attack force too for racing, and while they don't puncture,
    http://www.rouesartisanales.com/article-1503651.html
    Their rolling resistance data shows that they are pretty poor compared to some other offerings.
     
  10. jcjordan

    jcjordan New Member

    Joined:
    Apr 5, 2004
    Messages:
    504
    Likes Received:
    0
    I have used pro2race and cant stand them. They wear way to quick, expensive and puncture far to often. As for the rolling resistance, from my experence the is about the same.
     
  11. jcjordan

    jcjordan New Member

    Joined:
    Apr 5, 2004
    Messages:
    504
    Likes Received:
    0

    Thanks for the data, strange the the pressure in the tires was so low (100psi) as I normally run 120 in mine.

    Pity the pro2race were not listed.
     
  12. bobbyOCR

    bobbyOCR New Member

    Joined:
    Aug 31, 2005
    Messages:
    1,357
    Likes Received:
    0
    The pro2race were listed. They absorbed 15 less watts (apparently) compared to attack/force.

    If you run your tyre pressures at 120psi, I hope you are a big rider r ride on perfectly smooth roads otherwise you are losing speed. 120psi is high and on bad roads, will significantly increase rolling resistance. I run 80/85 psi for training and 95/100 for racing (138lb)
     
  13. jcjordan

    jcjordan New Member

    Joined:
    Apr 5, 2004
    Messages:
    504
    Likes Received:
    0
    quite right, I missed the pro2race tires.

    I am still not sure why they used the lower pressure for the test, there own information states that a higher pressure will give you a lowered rolling resistance and the Force/Attack are designed to work at 120psi which means they were not tested at the optimal conditions.

    On the rougher roads around Canberra the higher pressure can be a bit less comfortable, but I only race on these tires and train on GP 4000.
     
  14. MidBunchLurker

    MidBunchLurker New Member

    Joined:
    May 2, 2003
    Messages:
    452
    Likes Received:
    0
    Higher pressures are only better on nice smooth surfaces (like in this lab test, or those rare smooth roads). The rougher the surface the lower the optimum pressure is.

    You can take this to the extreme, eg MTB tyres, where lowest rolling resistances are achieved at very low pressures, and bikers have to balance pinch-flat risk against rolling resistance to find the optimum pressure.
     
  15. bobbyOCR

    bobbyOCR New Member

    Joined:
    Aug 31, 2005
    Messages:
    1,357
    Likes Received:
    0
    sums it up nicely. I ran 25/30psi in my mtb tyres for racing. I was crazy scared of rock gardens but flew through sand and firetrail.
     
Loading...
Loading...