Archive for ‘cycle’

September 24, 2013

Bicycling’s 50 Golden Rules – 8- 19

50-golden-rules_0

8. Clean your shoes monthly. Also: wash your gloves.

9. Warm Up
A slow start primes your engine by directing oxygen from your blood cells to your muscles. Spin easy for 20 to 30 minutes before you begin to hammer.

10. Always Carry Cash
Money can’t buy love, but it can buy food, water, a phone call, or a spare tube.

11. Race, At Least Once
It will push you to ride harder than you previously thought possible.

12. Drink before you are thirsty; eat before you are hungry.

13. Eat Real Food On longer rides, easily digestible calories are key—and they shouldn’t come from just energy bars.

14. Don’t Live in Your Chamois
When the shoes come off, your shorts should come off with them.

15. Ride Hard. . .
To become faster, you need to ride faster. Intervals squeeze every drop of fitness from your time on the bike. Try the following two or three times a week: Choose a route that includes a climb or stretch of road where you can go nearly all-out for three to five minutes. Warm up for 15 to 30 minutes, then ride hard—your exertion should be about a 7 out of 10—for three minutes. Recover for 90 seconds, then repeat the sequence four more times.

16. . . .But Not Every Day
Take 56-year-old mountain-bike legend Ned Overend’s advice: Rest often. And if you’re feeling cooked after a 30-minute warm-up, put it in an easy gear and spin home. “No workout is set in stone,” Overend says. “Your training needs to have structure, but it should be malleable based on how you’re feeling.” Which might explain why, 10 days before he won the 2011 Mt. Washington Hill Climb, Overend was surfing in San Diego.

17. Play the Terrain
Go hard on climbs and take it easy on descents.

18. Ride Another Bike
Explore the woods on a mountain bike. Mixing in different types of riding keeps you mentally fresh, boosts your skills, and reminds you that riding is fun.

19. Wear Out Your Shifters
You have lots of gears for a reason: to keep your cadence in the sweet spot. For silky-smooth gear changes, remember to shift before a punchy climb, sprint, or tight switchback.

September 24, 2013

the head set ……

chris-king-yeti-zoom

 

 

with or without a rider, a bicycle does need a well-balanced and maintained steering system to remain upright.
This comprises the handle bars, the handlebar stem, the front forks and the head-set.

the headset is an unglamorous but fundamental component of the bicycle. it’s also a part that takes terrific beating from the road. The ball bearings contained within the lower cup of a headset are loaded differently from those in all other rotating parts of the bicycle. They are loaded axially, and they hardly rotate – an undesirable situation as impacts from the road are transferred to stationary ball bearings. This is called ‘thrust stress’ and it can cause pitting or brinelling of the bearings. The problem is exacerbated riding off-road, or on a loaded touring bicycle.

 

September 4, 2013

Bicycling’s 50 Golden Rules – 1- 7

50-golden-rules_0

1. To corner, enter wide and exit wide.
2. Brake Less
It sounds counterintuitive, but the harder you yank on the brakes, the less control you have over your bike. The best riders brake well before a corner. Plus, laying off the stoppers forces you to focus on key bike cornering skills such as weight distribution, body position, and line choice.
3. Look Where You Want to Go
“When riding a tricky or dangerous section of road, focus on the path you want your bike to follow, not the rock, tree, or other obstacle you’re trying to avoid,” 
4. Helmet 
if you decide to wear one, secure it properly
5. Take the Lane
You have a right to the road, so use it. It’s safer than riding on the shoulder, which is often cracked, covered in gravel, or worse. But don’t be a road hog, either.
6. No ride is too short
no ride is too short.
is two minutes of a nice massage too little ?
or two pegs of good whiskey too little ?
pedalling a bike is the same i feel …
its pure fun, no matter how short it is.
even five minutes of riding after a day sitting or standing is a great
way to unwind ….

7. Set the Seat 
Level the seat and center the rails in the seatpost clamp.

August 8, 2013

the geometry of a frame …

curtis-xc-freeride-geo

Seat Tube angle : measured in degrees relative to the horizontal plane , they can vary from 65 degree to 80 degree.
steeper angles (75 degree – 80 degree)push the rider’s weight forward on to the handlebars and are less comfortable over long distances, but more aerodynamic ; they are common on dedicated time-trial bikes,track bikes and triathlon bikes with aero bars.
slack angles (65 degree), which place more weight on the saddle, belong on commuter or other bikes for short trips.
Conventional road-racing bikes with drop handlebars tend to be between 72 degrees and 75 degree.
The angle is partly determined by ergonomics – that is, the saddle being in the best position for efficient pedalling.

Head Tube angle : again,measured in degrees relative to the horizontal plane, it has a marked effect on steering characteristics and shock absorption and can vary from 71 degrees to 75 degrees.
steeper angles mean a bike handles more quickly – turn your head and the bike turns too.
slack angles make a bike more stable, notably on descents, and generally more comfortable over long distances.
Touring bikes have slack angles.

August 8, 2013

the frame ….

diamond 3

 

the geometry of a frame – that is the angles between the tubes of a frame – is largely determined by the intended application of the bicycle.
Criterium,triathlon,time trail,touring and sportive bikes are variations of the road bike, for different purposes.
They may look roughly the same shape,but in fact they each have a different geometry, giving them different ride characteristics.
Mountain and commuter bikes have a different geometry again.

Frame geometry is an important factor in how a bicycle rides,how comfortable it is, how it responds to a rider’s manoeuvres, how it corners,descends and even climbs.
Many other factors al;soaffect ride quality – from the frame and fork materials to tyre pressure – but the geometry of a frame sets the parameters.
Few cyclists ever think about frame geometry.
If you buy a mass- manufactured bike, it’s scarcely a consideration.

Along with the immaculate fit and right tubing material,geometry is an intrinsic part of buying a bespoke bicycle.
Get the geometry of the frame wrong and you end up with a bike that is at best uncomfortable, and at worst, dangerous to ride.
Get it right, and the bike will have the handling characteristics you desire.

August 7, 2013

JK Starley

JKStarley

 

 

 

” The main principles which guided me in making this machine were to place the rider at the proper distance from the ground …. to place the seat in the right position in relation to the pedals ….. to place the handles in such a position in relation to the seat that the rider could exert the greatest force upon the pedals with the least amount of fatigue.”

August 4, 2013

the bi-cycle ….

cycle

 

a bicycle is a Truly Great Invention because it is part of the entire range of human existence, from frivolity to necessity.
A bicycle, if understood correctly and used to its full potential, is actually a key to a completely different, and in many ways more rewarding, way of life.
Sure, there are limits to the ways in which you can use a bicycle, but those limits are surprisingly few.
A bicycle can give you the feeling of freedom and the speed you get from riding a motorcycle, the sense of well-being and peace you get from meditating, the health benefits you get from an afternoon in the gym, the sense of self-expression you get from learning to play guitar, and the feeling of victory you get from completing a marathon.
It’s an invention that was in many ways ahead of its time, and whose time has finally come !

July 18, 2013

tour de france …..

zoe

Could you run more than a marathon a day?
Could you be dedicated enough to a goal and a cause to accomplish something no one else has ever done, to run the route of the Tour de France?

Zoë Romano currently running the entire cycling course of the Tour de France “in effort to make history and to prove that anything is possible if you dream big and simply begin.” She started running May 18 and is scheduled to finish July 20, running more than a marathon, every day, 6 days a week for the 9 weeks to cover the more than 2,000 miles of the course.

The 2009 University of Richmond graduate started six weeks ahead of the Tour de France bike peloton, and hopes to arrive the day before them in Paris from where she’ll travel to Corsica to tackle the last part of her journey.

As of Thursday, she’s raised $129,906.11 of her $150,000 goal to raise money for the World Pediatric Project, bringing in more than 320 donations.

Tags:
Wonder, silence, gratitude

one who is going upstream ......

one who is going upstream ......

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