Special: Zipp Speed Weaponry 303 Firecrest Tubular Wheels (Wheelset, Front or Rear) Free Wheelbag with Wheelset!

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    Tubular Or Sew-up Tires 27inch Or 700c? I have been a cyclist most of my life, but have never owned tubular tires or ,” sew-ups as they use to be called here in the U.S.” Many old Schwinn Paramounts from the 60’s came with 27inch sew-up tires. Today 700c is the standard size on road bicycles. This is my question do tubular tires, “or sew-ups”, come in 27inch and 700c sizes? If there two sizes, where do people who own the older 27 inch bicycles wheel sets get their replacement 27 inch tubular,”or sew-ups as they were called here in the U.S.”
    I know from memory that sew-ups were mounted on special rims and a special varnish was used to help hold these tires to the rims. I was never able to own a bicycle that had this type of tire and rim set, but cycle racers back then all used them because of their low rolling reresistants. The sew-ups as I recall were sold by weight and used silk cords, the ones mounted on track bikes were inflated to as much as 150Lbs. air pressure.

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      700c is 622 mm
      27″ is 630mm

      There are no available 27″ tubulars, but many of the 700c could be stretched to fit.

      The 650c bike has 3 tubulars (Vittoria and Tufo) still available and a much more authentic ride quality.

      To duplicate the tubular feel, we have 2 clincher options for you:

      Tubular road feel?
      1) Rivendell’s Panaracer Roly Poly (or cousins) with a featherweight racing inner tube that was designed for a 25mm tire.
      Since the Roly Poly is 27.2mm, it may not fit your race bike, but it is an authentic size with near-identical ride and parameters, such as a round casing and the rubber is not piled up in the middle–round secure tubular feel on cornering.
      This is the only tire its size with such a high inflation pressure, as seen on road tubulars.

      Tubular race feel?
      2) Serfas Seca RS combined with Michelin featherweight 18-23mm inner tubes, will duplicate the speed and ride of tubulars, and the pressure range is up to 130 pounds.
      See roadbikereview.com for info.
      At 210 grams, these cushy, very round, road tires really hang the corners–very much the tubular ride.

      To duplicate the tubular feel, firm riding botique wheels will not do.
      The wheels must have at least 20 evenly spaced spokes plus some shock absorbing ability. Neuvation’s 24/20 R28 SL2 wheel set or similar is a good guideline. http://www.neuvationcycling.com/wheels/r28sl2.html

      Tubulars work differently than [most] clinchers.
      On labratory surfaces and perfect pavement, the clincher is far faster. However, in real life and rougher pavement, the cushy ride of the tubular is faster because the bike rolls over abberations instead of “pushing” them.

      Hit a patch of gravel while cornering with a hard clincher and you go into the ditch. Hit a patch of gravel with a tubular [or very rare clincher] and you don’t go into the ditch.
      There’s a pretty big difference in safety when the tire is able to navigate road abberations. . .or not.

      Sprinters once preferred tubulars because of their ability to accelerate faster. Today, we have ligher weight wheels (mentioned above) and today’s clinchers have Kevlar or Aramid beads, so this difference is moot.

      So that Serfas tire + featherweight tube + Neuvation wheel combination I mentioned can let you enjoy the old school feel, lightening bolt zip around the corners. . .every day, and nobody will know unless you tell them.
      This system on similar Rol 20/20 wheelset added a Cadillac ride, derring-do cornering, and scads of speed to my own modern road bike.

      For an even more authentic ride, a wider cassette, like an Ultegra 12-27 9 speed with a “compact double”, or a mountain tail like Trek’s pro tourbike (11-32 XT with LX M571 SGS mech)with a standard “road double” crankset.
      *My bike uses an XT Top Normal SGS rear derailleur onto a factory standard 105 STI road shifter. LX M571 has similar weight and higher efficiency (no Ultegra sealed bearing gimmick). Oh, and the Dura Ace chain was required because of fit vs efficiency on the 12t and 11t gears.

      Either way, shifting was more sprint centric, the bike did not have to drop chainrings for hills, and action was faster.

      *Faster action is the hallmark of old-school performance bikes. The machine gun sound and speed of Shimano’s best mountain rear drives sounds and feels just like old Dura Ace.
      My friend, who is a racer and rides Campy, suddenly got big eyes when he heard this classic sound on a downhill and had to spin like a whirlwind to keep up with my relaxed pedaling.
      *Sora can use SRAM’s PG850 11-32, PC58 chain and that same LX derailleur; but, you really should switch to an all-alloy crankset for a more authentic high-efficiency experience.
      *Notice that 11-32 cassettes have classic 6 speed road bike gears in the center.

      Cockpit and leverage:
      Plus some Maaes bend Nitto handlebars (see rivbike.com for ideas), can give the modern road bike an old-school feel with no loss of speed and possibly considerable gain in distance.
      Use the narrow 40cm width handlebars for areo.
      Also available at aebike.com

      *Those handlebars have a very large “half circle” drop section and you’ll need something like Profile Designs H20 lightweight performance riser stem (90mm was the previous standard) to adapt the old style handlebars to a modern bike, for an authentic and fast ride.
      Don’t worry about the stem angle, just use one with enough extension for your preferred reach, and it will not subtract areo performance.
      It will facilitate longer distances.
      *raises the height to bring the lower, large maaes bend drop grip up to what you have currently.

      *Maaes bend plus shorter extension is important because it speeds up the steering to make use of the extra capacity of tubular tires or the few clinchers that perform like tubulars.

      Well, if you followed all of that, you’ll have an under 20 pound super comfy race bike that makes a quicksilver sprint, rampant uphills, and a breathtaking fast dash around the corners–just like they used to do.

      See also Roubaix applications and bikes.
      Specialized Roubaix or any Schwinn road bike will duplicate the old school ride, but you’ll need 1 size small (usual for modern, ergo, “cross fit” bikes) and that handlebar treatment above.

      Roubaix wheels and other engineering came from a time when the races were on rough roads.
      Rough roads would “leak” your strength out at the handlebars for a “slapped in the face” sensation and last place on race day.
      Roubaix engineering softened up the ride, added extra sprint speed, and it put your power into the rear of the bike instead of wasting it on the front.
      Just this year, the “up and out” time trial grip came back into style. “Up and out” works as well today as it did when it was new for the first time.
      Back then, it was for the reason of pressing you into the seat instead of excess sliding + posting that “down and close” arrangements caused on bumpy roads.
      Today, we find out that it also survives the wind tunnel. ?

      So, it isn’t about one piece of technology like Tubular tires. It is about a system that was designed to protect the body, thus enhancing stamina and distance performance.

      Old race bikes sprint like mad, shift with a bang, and corner with no need for brakes (tubular ride). Gearing and steering at that time in history was all about fast action.

      Recently, it is back in style.

      I hope I gave you some ideas. Go enjoy!

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    Bike Wheel Size 700c 25mm? So i am alittle confused, i have a 700c 25mm wheel. im look at race wheels on this website, http://www.baixiangbike.com/index.php main_page=advanced_search_result&search_in_description=1&zenid=h0ltvjcbpgn5s822oc95kijet0&keyword=700c.

    what is the size i am looking for. or can you link me to the exact wheel on that website, either will be fine thanks!

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      You need 700C wheels (diameter of the wheel so it fits your brakes). The 25mm refers to the width of the rim. You can use wheels from 18 mm to 25 mm wide without problem. That said, wheels are much more than diameter and width. First, I assume you are using clincher tires (vs tubulars) and your wheels need to match this. At a minimum you also need to consider shape (cross section of the rim), material (e.g. aluminium, scandium, carbon fibre), weight of the wheels (lighter is more responsive, but cost more and are more fragile), and what type of gears you have (The rear hub must accept the type of cassette or freewheel you use … basically Shimano/SRAM or Campognolo). You can also consider colour, etc. And ultimately it comes down to price. “Racing wheels” can cover wheels from about $300/pr and up to several $thousand.

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    700C Full Carbon Fiber 3k Logo 86mm Road Bicycle Tubular Wheels? So Is the 86mm depth of the rim its useful in Traithlon ??

    Thanks !

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      Yes, that is a good tri and time trial wheel.

      Note that you need sew-up to glue onto the rims and it’s usually a good idea to carry an extra tire with you. Also you need special brake pads, like all cork, if the wheel braking surface is carbon fiber. These are “game day” wheels and not for training or everyday riding.

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    What Is/How Do I Find The Cost Of This Wheel? I’m in the bidding for a Shimano 600, Mavic 26″ tubular Freewheel with a Vittoria Pro Tire and am wondering how I would find the actual/new cost of one of these. Though I enjoy cycling, I am not too educated on how I would go about looking up prices for bicycle parts, as seemingly similar items I have found with google range from less than $25 to more than $150. Any help or guidance would be appreciated

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      26″ tubular? No such animal. Tubular wheels are available in 700c and 650c, with 700c being by far the most common size for a road bike. As for the rest, Shimano 600 freewheel hubs are old, if the wheels has seen an average amount of use, be wary of the condition of bearings, cones and bearing races. New this wheel probably cost about $150, but that was 25 years ago. Nothing new compares today because freewheels are obsolete for quality bikes. If you have an old bike, this might be a good buy at about $35, but odds are that the hub spacing is too narrow for any bike built in the last 15 years

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    • John
    • February 12, 2014

    Can You Use A 700c Tire And Tube On A Tubular Wheel? I have just purchased some Planet X 82/101 Tubular Carbon wheels to replace my heavier aluminum 700c wheels. Can I use the the Tires and Tubes from my previous wheels for the tubular rim or do I HAVE to use Tubular tires?

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      Uh oh.

      Do you know what tubular rims are? They are made for sew-up tires and I can bet you don’t have them if you are asking this question.

      Return them and get clincher rims.

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  5. Reply

    I’ve Got A Road Bike With Tubular Tyre Wheels, 25 Inch Diameter, What Size And Brand Tyre Will Fit?

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      You have 700c rims. Any brand will fit as long as you get the correct size. Normal tubular sizes for a road bike is 700×18 to 700×25. 700×23 is most popular.

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