Feb
11
What’s so free about a bike freewheel?
One of the most enjoyable experiences when riding is the exhilaration that comes after having reached the top of a tall peak, when the downhill begins almost immediately and you’re rewarded with a long descent. The satisfaction of having conquered the ascent, the relief of being able to rest your legs for a moment, and the rush of coasting at high speed with the wind in your face are what keeps people coming back for the climb. Freewheels and cassettes are like the clutch on your car — disengage it and the car is rolls free in neutral. In a bike’s case, stopping pedaling does the trick.
The freewheel is a part of a clutch-like system that was a significant advance in the design of bicycles. Older bikes are designed with freewheels that consist of individual cogs (toothed disks surrounding the hub on your rear wheel that combine to form the freewheel of your bike), bearings, pawls, pawl springs, and gears that are screwed directly on to the hub.
One disadvantage to freewheels is that the force from pedaling can tighten them, making removal difficult. Another problem with freewheels is that, because of the spacing requirements, the bearings on each side of the hub are located closer together toward the center of the hub, while the axle is extended outward from the bearings to support the freewheel. As a result, the axle receives less support and can break or bend under the right amount of force.
If you have a traditional freewheel, when your cogs wear out you may want to think about converting to a cassette system. If you do opt for a cassette system, your best bet is to replace the hub with a free hub. The alternative is to buy a freewheel hub and rebuild your wheel.
About the Author
woodchuck is an up and coming expert on crafts and hobbies. Do you want complete Shave Horses Designs? You can learn Wood Bench Stops plans, or you can learn woodworking by going to Wood Bench Blueprint site.
AWESOME FAKIE RIDING ON FREEWHEEL – NOT FIXIE
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Regina Syncro 6 speed freewheel – 13-21 – Excellent condition! $15.00 |
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New Single Speed Freewheel, 3/32 18 tooth $4.99 |
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New Single Speed Freewheel, 3/32 18 tooth $4.99 |
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vintage 80′s Regina titall 7speed screw on titanium freewheel 12-18 cogs NOS $187.40 |
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Shimano 600 EX cassette & freewheel NEW IN BOX vintage 6 speed MF 6208 13-34 $22.50 |
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