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Gute und schlechte Schnellspanner: Unterschied zwischen den Versionen
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Gute und schlechte Schnellspanner (Quelltext anzeigen)
Version vom 12. April 2016, 05:57 Uhr
, 12. April 2016→Ein Laufrad einsetzen: Bilder
(→Ein Laufrad mit Schnellspannermechanismus einbauen: übersetzen) |
(→Ein Laufrad einsetzen: Bilder) |
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===Ein Laufrad einsetzen=== | ===Ein Laufrad einsetzen=== | ||
#Stand on the left side of the bicycle. With the quick-release lever in the open position, insert the wheel into the dropouts. A front wheel, or a rear wheel on a frame with vertical dropouts or adjuster screws, should go all the way into the dropout slots. A rear wheel on a bicycle with a derailer adapter claw should go all the way into the adapter claw on the right side. Gravity slides the wheel and frame together if the wheel is resting on the ground, or if the bicycle is upside down. | #Stand on the left side of the bicycle. With the quick-release lever in the open position, insert the wheel into the dropouts. A front wheel, or a rear wheel on a frame with vertical dropouts or adjuster screws, should go all the way into the dropout slots. A rear wheel on a bicycle with a derailer adapter claw should go all the way into the adapter claw on the right side. Gravity slides the wheel and frame together if the wheel is resting on the ground, or if the bicycle is upside down.<br>The photo below shows a hub inserted into the dropouts. Because the quick release is in the open position, there is a gap between the cam body and the dropout. The green arrow points to that gap.<br>[[Bild:Quick-release-open.JPG|center|Schnellspanner geöffnet]]<br> | ||
#While holding the lever with your left hand, reach over the wheel and turn the adjusting nut with your right hand until the gap between the cam body and dropout is closed with the lever sticking out at approximately a 70-degree angle from the wheel, as shown in the photo below. The cam body and adjusting nut are resting lightly against the dropouts.<br>[[Bild:Quick-release-half.JPG|center|Schnellspanner ausgerichtet und fertig zum Schließen]]<br> | |||
The photo below shows a hub inserted into the dropouts. Because the quick release is in the open position, there is a gap between the cam body and the dropout. The green arrow points to that gap. | |||
#While holding the lever with your left hand, reach over the wheel and turn the adjusting nut with your right hand until the gap between the cam body and dropout is closed with the lever sticking out at approximately a 70-degree angle from the wheel, as shown in the photo below. The cam body and adjusting nut are resting lightly against the dropouts. | |||
#A rear wheel on a bicycle with horizontal dropouts and without adjusters may have to be centered manually between the chainstays. If the bicycle is resting on its wheels, prop it against your left hip and hold the wheel at the chainstays with your left hand, while closing the quick-release lever lightly with your right hand. Once the quick release is holding the wheel centered, you may switch one hand to the frame or saddle to hold the bicycle steady while you press the quick release lever home with the other hand. | #A rear wheel on a bicycle with horizontal dropouts and without adjusters may have to be centered manually between the chainstays. If the bicycle is resting on its wheels, prop it against your left hip and hold the wheel at the chainstays with your left hand, while closing the quick-release lever lightly with your right hand. Once the quick release is holding the wheel centered, you may switch one hand to the frame or saddle to hold the bicycle steady while you press the quick release lever home with the other hand. | ||
#Press the lever toward the wheel as far as it will go in the direction shown by the green arrow in the photo below. This should require enough force to leave an imprint on the palm of your hand. You should feel the lever bottom out against a hard stop, and it should now be at a right angle to the hub axle. You may have to readjust the adjusting nut a couple of times to get the correct clamping force. The photo shows the wheel ready to ride, or it would be if there were a wheel and not only a hub! | #Press the lever toward the wheel as far as it will go in the direction shown by the green arrow in the photo below. This should require enough force to leave an imprint on the palm of your hand. You should feel the lever bottom out against a hard stop, and it should now be at a right angle to the hub axle. You may have to readjust the adjusting nut a couple of times to get the correct clamping force. The photo shows the wheel ready to ride, or it would be if there were a wheel and not only a hub! | ||
[[Bild:Quick-released-closed-arriw.JPG|center|Schnellspanner geschlossen]] | |||
The cam of a quick-release goes "over the top" so the quick release actually loosens very slightly when the lever is pushed all the way down. Vibration then tends to hold the quick release closed, rather than to open it. If the quick release is overtightened to it does not press down all the way, it will loosen. | The cam of a quick-release goes "over the top" so the quick release actually loosens very slightly when the lever is pushed all the way down. Vibration then tends to hold the quick release closed, rather than to open it. If the quick release is overtightened to it does not press down all the way, it will loosen. | ||
The tension on the quick-release skewer compresses the hub axle slightly and can put hub bearings out of adjustment. Another article on this site describes how to check for correct adjustment. | The tension on the quick-release skewer compresses the hub axle slightly and can put hub bearings out of adjustment. Another article on this site describes how to check for correct adjustment. | ||
===Das Laufrad herausnehmen=== | ===Das Laufrad herausnehmen=== | ||
