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(en)
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Bicycle gear shifting method and apparatus
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(en)
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Shifter for operating derailleur cable of a bicycle derailleur mechanism
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(en)
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Bicycle speed change operation assembly that permits speed change operation during braking
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US6513405B1
(en)
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Twist grip shift lever for bicycles
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(en)
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Twist grip for actuating gears of a pedal cycle
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(en)
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Control device for a derailleur-gear for a bicycle
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(en)
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Twist grip steerable, lever-driven wheelchair
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US7401535B2
(en)
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Twist-grip bicycle shifter
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CN2193318Y
(en)
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Handle speed variable controller
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US20020152830A1
(en)
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Speed changing controller for controlling the derailleur of bicycle
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DE19904955B4
(en)
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Rotary handle switch for bicycles
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DE1763744U
(en)
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ROTATING HANDLE, ESPECIALLY ON THE HANDLEBAR TUBE UPRIGHT OF HANDLE-CONTROLLED VEHICLES.
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DD71465A
(en)
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