This is something most riders don't think about too much, until they run into a series of flat tires in one day, or they start racing. I once set out to do a 110 mile ride and had to repair / replace the tube 7 times!
This was due to many factors:
1) my haste in wanting to keep moving meant I pinched the tube while putting it in twice.
2) the tire was old and kept picking up schrapnel.
3) it was a hot day and the rim tape blew through creating a sharp edge for the tube to cut against.
4) the rim / tire was a tight fit and made it difficult to get the tire on without pinching the tube - especially whilst in a hurry.
It was amusing (not so much at the time) how so many of the possible things that can go wrong with clincher tires were all happening to me at once. At least I had enough spare tubes and patch kits to keep going and finish the ride.
It's not uncommon for a clincher tire to go though a series of flats after being flat-free for a seaons or two - they just get old and pick up sharp materials. Once this starts happening it's best to throw it away and buy a new tire.
So what are your other options, and what's the trade-off with performance, convenience, cost etc.
Clincher: this is the most common form of tire. It uses a tube and a rim bead to hook into the edge of the rim.
-Pros: cheap, usually easy to fix, although $5-$10 a tube can add up quickly.
-Cons: easier to puncture (especially in off-road situations), heavier, doesn't handle as well in races, less shock absorption means less comfort on long rides.
Tubeless: more common in Mountain Bike set-ups and Cyclocross bikes, this system uses a self-sealing liquid with no tube. It requires special tires and tape to seal off the rim. Many rims can be converted to be Tubeless ready, or you can buy rims http://bikesonmain.com/index.php?sid=60 that are designed to work with either tubeless of clinchers.
-Pros: lighter (which means faster) tires, more supple over bumps means better contact with the road and less vibrations for comfort on long rides. More puncture resistant - the self sealing liquid runs to air leaks and seals up the hole. All you have to do is add air and you're set to go, if you're planning on a long ride, this is the ideal set up. This is exactly the same system that your car uses. If you get a big hole in your tire you can plug it with a piece of rubber from a kit, or just add a tube to it to get you home.
-Cons: this system can take some getting used to, and if you don't have a good tire / rim combo then getting the tire to seal initially can be a pain. It helps to have a burst of air from a CO2 cartridge or air compressor.
Tubular: this system uses a different kind of rim all together, so you can't just buy these tires and hope they work on your current clincher wheels. Most people just use these for race wheels.
The tire is a closed system, or a complete tube with tire tread on one side and canvas on the other. It sticks to the wheel with glue - this is kind of an art and takes time to do properly, so paying to have it done might be the best way to go. Tom at Mainstreet bikes does a very solid job at www.bikesonmain.com
-Pros: by far the lightest / fastest system. Tough tires - very puncture resistant, I've seen people finish the last few miles of a race on a flat tubular tire (I wouldn't recommend trying it though). Lance Armstrong at the Leadville 100 was a good example of this. Most supple and therefore best handling tire type available (there's a reason race teams don't use anything else). You can run them at low pressure without the concern for a pinch flat which gives you a huge advantage in Cyclocross or Mountain Biking. This is money well spent for any cyclocross racer.
- Cons: expensive, they require new wheels, time consuming to change tires but then you don't get flats or other issues as often either.
My tires of choice:
- Challenge Limus:
- Great in muddy and slick conditions.
- Roles very well for an aggressive tire.
- Not so good in hard packed or frozen conditions.
- Reasonably priced compared to Dughast Rhinos.
- http://www.challengetech.it/products/cyclocross/limus-024/en
- Challenge Fango:
- Great in hard packed / solidly frozen conditions.
- handles trees roots and other hard surfaces well.
- Very fast in dry conditions.
- http://www.challengetech.it/products/cyclocross/fango-011/en
These two tires cover most conditions you'll see in a cyclocross season very well. If I had to choose just one though, I'd go with the Limus as it has given me an advantage on several occasions; they have allowed me to take slick turns and climb muddy run-ups better than the most of the other riders I see around me in Elite races.
New systems come with new pros and cons. I've seen people try a new system and quickly go back to their old set up (usually a clincher). I've ridden all three extensively and I feel like people are quick to see the cons of a new system and forget about the old headaches that they're used to dealing with.
I've heard of people riding tubulars 100% of the time, if they get a leak, you add tire sealant through the valve, let it seal and pump it up. That means you don't even have to take the wheel off - easy. If you get a significant gash that won't seal then you'd be in the same situation if you were riding clinchers - your tire would be ruined. Seasoned tubular riders sometimes carry a spare tire for this reason.
Have an open mind with if you try a new system, and give it time so you get used to knowing how to deal with any issues you might run into. It's amazing how many creative situations people start thinking about when trying something new and most of them are worth concern they put themselves through. Remember, clinchers have many short-falls, and can be more of a pain to deal with compared to other systems at times.
My opinion:
- Road: club riding / century riding / training - Tubless system.
- Road Racing: Tubless or Tubular.
- Cyclocross: Tubular
Cat 1 CX racing with Team WHAYNE. Hitting the OVCX and a few UCI races in 2012 - I'm looking forward to hard racing and having fun with the team.
Monday, February 6, 2012
Wednesday, January 18, 2012
Bunny Hopping
In my opinion, all CX riders should learn to be able to do this at least to some degree. I agree that you don't get to use it very often, but being able to do it confidently when you need to can be a big advantage.
Wearing a helmet and team kit always helps too :)
Start picking up front wheel and shifting weight back early, roughly two - three feet from the obstacle |
Use both arms and legs to push the bike forward while lifting the front wheel. Keeping your arms straight because you are pushing with your legs and pulling with your arms. Practicing this part separately can be helpful too. |
Pull through to your hips and shift weight up and forward - this is where the pop or upward momentum comes from |
Tuck back wheel up under your body, having a low seat really helps to get the bike higher at this point, which is part of the reason cross bikes are hard to bunny hop very high |
Monday, January 16, 2012
CX Masters Worlds Race Day recap
So the big event has come and gone. Feels strange to be finished with something that I've been anticipating for so long.
It was a great event, and I feel honored to have had the opportunity to mix it up with top class riders from around the world. These were tough conditions, and it was by far the hardest course I've raced on. It took a lot of skill and mistake free riding from Sven Van Eyndt of Begium to pull off the win, which is his second Masters World Championship title. Andrew Reardon appeared to be the strongest rider, setting the fastest lap times and by opening up a lead at one point. However, he feel victim to the course and crashed hard. He apparently took a long time to get up and lost valuable seconds in the process.
Thursday the course was as muddy as it gets, and riders left deep ruts and holes everywhere. Some were running as much as 60% of the course. Then the temperature dropped and everything froze solid. Puddles turned to skating rinks, and ruts froze to be as hard as concrete. It took a lot of guts and concentration to stay on the bike - I estimate that I crashed at least 10 - 15 times including a particularly heavy one on the way to the start line.
I had a bad day, I was not performing - but I had fun taking on the challenging sections and listening to all the support from other local riders, friends and family who stood out in the ridiculously cold conditions. I was disappointed with myself, but it's hard to pout for too long with so many fun and supportive friends and family around - thanks for reminding me that I'm lucky to be out having fun and racing my bike.
Big thanks Sean Darrow and Joe Nalley for pitting for me - great bike hand off. Sorry I took so long to finish, I think Joe was the last loyal pit person to get out of the cold.
Navigating frozen ruts.
The amazing cheer squad, complete with Team Whayne Cat racing flag.
It was hard to understand how something so rough could be so slippery until I crashed on it over and over again. Going straight over this stuff was not an option, you had to zig zag to keep from getting your wheels caught. It was like trying to ride over a cattle grid with ice all over it.
Time to put up the cross bike and settle into the off-season...
It was a great event, and I feel honored to have had the opportunity to mix it up with top class riders from around the world. These were tough conditions, and it was by far the hardest course I've raced on. It took a lot of skill and mistake free riding from Sven Van Eyndt of Begium to pull off the win, which is his second Masters World Championship title. Andrew Reardon appeared to be the strongest rider, setting the fastest lap times and by opening up a lead at one point. However, he feel victim to the course and crashed hard. He apparently took a long time to get up and lost valuable seconds in the process.
Thursday the course was as muddy as it gets, and riders left deep ruts and holes everywhere. Some were running as much as 60% of the course. Then the temperature dropped and everything froze solid. Puddles turned to skating rinks, and ruts froze to be as hard as concrete. It took a lot of guts and concentration to stay on the bike - I estimate that I crashed at least 10 - 15 times including a particularly heavy one on the way to the start line.
I had a bad day, I was not performing - but I had fun taking on the challenging sections and listening to all the support from other local riders, friends and family who stood out in the ridiculously cold conditions. I was disappointed with myself, but it's hard to pout for too long with so many fun and supportive friends and family around - thanks for reminding me that I'm lucky to be out having fun and racing my bike.
Big thanks Sean Darrow and Joe Nalley for pitting for me - great bike hand off. Sorry I took so long to finish, I think Joe was the last loyal pit person to get out of the cold.
Navigating frozen ruts.
The amazing cheer squad, complete with Team Whayne Cat racing flag.
It was hard to understand how something so rough could be so slippery until I crashed on it over and over again. Going straight over this stuff was not an option, you had to zig zag to keep from getting your wheels caught. It was like trying to ride over a cattle grid with ice all over it.
Time to put up the cross bike and settle into the off-season...
Thursday, January 12, 2012
Final thoughts before Friday
I spend a lot of time thinking about race psychology, trying to tweak pre-race routines to help me find the "optimal level of arousal". If I get too hyped I don't think straight, the fight or flight mindset takes over and I make silly, rushed mistakes. If my head's not in it then I don't focus enough or be aggressive enough.
I haven't raced many of the people signed up for this event, and that can be daunting - I don't know who to chase, who does well off the start, who finishes strong, who's good through the technical sections, and who I should follow through the straights.
I got Cadel Evan's "The Long Road to Paris" with photos from Graham Watson for Christmas. It's filled with insightful quote, thoughts, and statements. This one stood out to me while I've been obsessing over this race...
"I have to race whoever turns up. The race decides who is the best. All I have to do is prepare properly and do the best I can." Cadel Evans.
I haven't raced many of the people signed up for this event, and that can be daunting - I don't know who to chase, who does well off the start, who finishes strong, who's good through the technical sections, and who I should follow through the straights.
I got Cadel Evan's "The Long Road to Paris" with photos from Graham Watson for Christmas. It's filled with insightful quote, thoughts, and statements. This one stood out to me while I've been obsessing over this race...
"I have to race whoever turns up. The race decides who is the best. All I have to do is prepare properly and do the best I can." Cadel Evans.
Tuesday, January 10, 2012
2012 CX Masters Worlds - Louisville, KY. Pre-race musings...
Wow! What an exciting event to be apart of. World Championships, a chance to earn a UCI Rainbow Jersey.
I'm pumped to be at the fittest I've been in my life at 30 years old, to be apart of a historical event, and to be in the running to finish in the top ten ( http://www.crossresults.com/?n=racers&sn=pred).
This race has been the focus of my 2011 season, and things seem to be coming together, except for destroying my bike at Kings Cross Cincinnati. I've got all the indicators of peak fitness thanks to Erik Fagerberg's training plans, including being on the verge of getting sick. My legs feel strong and I'm itching to get out and race, which is why I started this blog - to vent about my bike riding and racing day dreams, and to try and describe and share the experience.
I've got a great team for 2012 with http://www.teamwhayne.org/ Team Whayne, and continued support from www.mainstreebikes.com Tom at Mainstreet Bikes in Shelbyville, KY. I'm looking forward to the hype of this event and hopefully I'll feel like I gave it everything I had when it's over.
This is going to be 45mins of furious, intense, leg burning racing. I'm ready - let's see what happens!
I'm pumped to be at the fittest I've been in my life at 30 years old, to be apart of a historical event, and to be in the running to finish in the top ten ( http://www.crossresults.com/?n=racers&sn=pred).
This race has been the focus of my 2011 season, and things seem to be coming together, except for destroying my bike at Kings Cross Cincinnati. I've got all the indicators of peak fitness thanks to Erik Fagerberg's training plans, including being on the verge of getting sick. My legs feel strong and I'm itching to get out and race, which is why I started this blog - to vent about my bike riding and racing day dreams, and to try and describe and share the experience.
I've got a great team for 2012 with http://www.teamwhayne.org/ Team Whayne, and continued support from www.mainstreebikes.com Tom at Mainstreet Bikes in Shelbyville, KY. I'm looking forward to the hype of this event and hopefully I'll feel like I gave it everything I had when it's over.
This is going to be 45mins of furious, intense, leg burning racing. I'm ready - let's see what happens!
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