Gommitalia Calypso-K...
Results 1 to 12 of 12
  1. #1

    Reputation:
    Join Date
    Jun 2005
    Posts
    51

    Gommitalia Calypso-K...

    after around 950 Miles.

    I was riding my 35 mile loop today when I heard/felt a shudder with every revolution of the rear wheel. I stopped to inspect, and this is what I was greeted with:

    https://forums.roadbikereview.com/images/attach/jpg.gif


    There is a large chunk of rubber that separated from the tire, and the cotton casing was exposed. I rode the rest of the 15 miles home with the tire in this condition, and to it's credit it held together with no flats.

    I loved these tires, as they provided a smooth ride. Before I write them off as a future tire to buy, has anyone else had this happen? Is it just a bad tire, or do all gommi's have wear "issues"?
    Attached Images Attached Images

  2. #2
    RoadBikeReview Member
    Reputation:
    Join Date
    Mar 2003
    Posts
    491
    All I have to say is that is one hell of a mid ride problem, glad you made it home.

  3. #3
    RoadBikeReview Member
    Reputation: pdainsworth's Avatar
    Join Date
    Jun 2004
    Posts
    717
    I have a pair that I've put about 2000 miles on. They have held up nicely, but it's about time to replace them. Think I'll try some Conti 4000's...
    -2014 Roubaix Expert with 2014 Roval CLX40 wheels
    -2013 Stumpjumper Elite FSR 29er
    -Funner ORRB (Off Road Road Bike) with whatever we had around the shop

  4. #4

    Reputation:
    Join Date
    May 2004
    Posts
    1,085
    I swore by the Calypsos until I tore through the sidewalls on 2 tires. Since then I've gone back to synthetic sidewall tires. ...Bummer, for sure, but I can get Conti GP4ks for cheap, so I'm going that route these days. Calypsos were nice for a bit, though.
    "I've courted brain damage like some courtesan of darkness."


    -The Good Doctor

  5. #5

    Reputation:
    Join Date
    Jun 2005
    Posts
    51

    I've decided

    to rotate the front Calypso to the rear, and mounted a Pro-Race 2 on the front.

    I'm going to see if the tire has more life in it than the rear one I just threw out.

    I really liked these tires! The difference in ride quality was immediately perceptible over the synthetic casing tires I was used to riding. They felt much "softer" on my body on long rides, and I felt much less beat-up when the ride was done.

    To good to be true, I guess.

  6. #6

    Reputation:
    Join Date
    Jun 2005
    Posts
    51

    Thanks, Roadboy...

    Quote Originally Posted by roadboy
    All I have to say is that is one hell of a mid ride problem, glad you made it home.

    I was too.

  7. #7
    Moderatus Puisne
    Reputation: Argentius's Avatar
    Join Date
    Aug 2004
    Posts
    15,882

    Open Tubulars

    I've never had a thing like what you had, but all 3 brands of "open tubulars" I've tried -- cotton casings, etc, haven't lasted very long at all.

    One pair lasted about 2,000 miles, but I lost 2 other tyres at <500 miles to sidewall cuts.

    Since then they're basically race-only.

  8. #8
    RoadBikeReview Member
    Reputation:
    Join Date
    Sep 2004
    Posts
    919
    Are the Calypsos really cotton casings? Doesn't the K stand for Kevlar? I've been using some Challenge (first Garas and now Elite) 'open tubulars' which have high thread count polyester casings and have been quite happy with them. Managed to wear a few out without tears or other damage but just trashed a newish Elite with a slash through the tread.

  9. #9

    Reputation:
    Join Date
    Jun 2005
    Posts
    51
    Quote Originally Posted by jmoryl
    Are the Calypsos really cotton casings? Doesn't the K stand for Kevlar? I've been using some Challenge (first Garas and now Elite) 'open tubulars' which have high thread count polyester casings and have been quite happy with them. Managed to wear a few out without tears or other damage but just trashed a newish Elite with a slash through the tread.
    Well, what I know is what I saw when the chunk came off the tire, and it definitely looked like cotton threading beneath the rubber.

    The add for the tire also says it's a "poly-cotton" casing....what ever that means.

    Here's the ad:

    http://www.gitabike.com/cgi-bin/shop...on=1&0=gt-caly

  10. #10
    RoadBikeReview Member
    Reputation:
    Join Date
    Feb 2002
    Posts
    21,365

    Fast stop?

    Sure looks like it was caused by a skidding stop at some point. You talk about a chunk of rubber coming off, but from the picture it doesn't look like rough edges around the missing rubber.

  11. #11

    Reputation:
    Join Date
    Jun 2005
    Posts
    51
    Quote Originally Posted by Kerry Irons
    Sure looks like it was caused by a skidding stop at some point. You talk about a chunk of rubber coming off, but from the picture it doesn't look like rough edges around the missing rubber.
    Interesting you would say that! I had a "panic" stop, about 3.5 weeks ago on my ride and I did lock up the rear wheel for a second or two. I've ridden the tire 200+ miles since the incident.

    Would it take this long after my "stop" for the tire to disintegrate in this manner?

  12. #12
    ARP
    ARP is offline
    RoadBikeReview Member
    Reputation:
    Join Date
    Mar 2002
    Posts
    5,192

    The K means Kevlar

    The tires have a kevlar belt around the center of the tire, probably why it did not flat when you burnt through the rubber and rode home. It does not take much to burn through a tire, last fall i had a Kool Kover fall onto a new Conti 2000 tire and it got lodged between the brake caliper and the rear tire at 40mph. I skidded about 100 yards to a stop (without crashing). The rubber and a good portion of the threads were gone, looked just like your tire. Most likely what happened to your tire during the panic stop.

    I am riding a set of Gommi's on one of my bikes, i really like them alot. Very supple smooth riding tire, in fact I will buy another pair when I need tires for my other bike. Since i rotate bikes, my mileage per tire is hard to estimate. I have had the gommi's on for about 2 years now, each bike(4) gets about 1000 miles a year or so.

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  

THE SITE

ABOUT ROADBIKEREVIEW

VISIT US AT

© Copyright 2020 VerticalScope Inc. All rights reserved.