Cov kev ua si thiab qoj, Cov khoom
Yuav ua li cas yuav yog cov shifter rau lub tsheb kauj vab?
Ceev cov pob qhov rooj rau lub tsheb kauj vab no yog tsim los hloov lub load yuav tsum tau rau ib tug tag nrho lem ntawm lub log. Nyob rau hauv kev xyaum, cov cyclist, los hloov tus hloov lwm lub tsev ceev cov kev hloov pedaling zaus. Txhua hloov lwm lub tsev yuav ua tau zoo rau koj hom struts. Ceev hloov tej zaum yuav txawv (nyob ntawm seb lub mortgaged hom mechanism uas nws yog raws li). Muaj cov nram qab no: mechanisms nrog ib tug sab nraud iav ua haujlwm mechanisms nrog lub internal iav ua haujlwm, mixed mechanisms.
Ceev selector nrog ib tug lub tsheb kauj vab sab hauv iav ua haujlwm
Qhov no hom ntawm tes hloov qhov yog yus nyob rau hauv uas nyob ntawm no, nyob rau hauv sib piv rau cov sab nraud hloov lwm lub tsev mechanism yog muab zais nyob rau hauv lub rear hub, thiab nyob rau tag nrho cov kev ua tau los ntawm cov tshaj tawm kev hloov. Feem ntau, nrog hom mechanism hnub no tso tsheb thiab taug kev tsheb kauj vab. Txawm tias tej zaum qhov no hom ntawm kis tau tus mob yuav pom nyob rau lub roob, "zoo kawg thiab."
Vim lub fact tias cov mechanism ntawm kaw hlau, nws zoo yog: hnav kuj thiab durability, kev tiv thaiv los ntawm huab cua thiab kev mob, ib tug ua-nyob rau hauv nres, raws li zoo raws li ib qho yooj yim txij nkawm. Ib tug disadvantage ntawm mechanisms ntawm no hom muaj tseeb teeb meem nyob rau hauv repairing ib txoj kev, thaum tsis muaj tshwj xeeb cov cuab yeej. Tsis tas li ntawd tsis yog tshwj xeeb txaus siab nrog khaus heev txhuam mechanism ntshav. Nyob rau hauv tas li ntawd, xws li ib tug lub tswv yim cov khoom uas heev hnyav, uas tsub kom tus luj ntawm koj lub tsheb tuam raws li ib tug tag nrho.
Ceev selector nrog ib tug lub tsheb kauj vab kis tau tus mob hloov lwm
Nws yog feem ntau version rau niaj hnub no (classical mechanism). Nws muab ob hloov iav: rau pem hauv ntej thiab nram qab lub.
1) cov qauv ntawm cov fastening tus ncej (ntawm ib tug clamp los yog clamping lub carriage);
2) sib txawv lub tej zaum yuav tau teem caij nrog rau kev hwm mus tus tes hloov qhov ncej;
3) yuav tsav lub cable nyob rau hauv ntau yam embodiments, yuav txuas mus rau ib tug mechanism (lub underside los yog sab).
Tsheb shifter muaj ib tug me me feature. Firstly, nws nyob ntawm no yog muab los ntawm lub saw nro. Secondly, nyob rau tus tes hloov qhov ntawm ib feem tseem ceeb rau qhov no lub tsheb kauj vab ceev (thiaj li hu ua hnub qub). Yog hais tias lub hauv pem hauv ntej derailleur yog tsuas yog peb cov hnub qub, ces nws yuav ua tau mus rau cuaj nyob rau hauv ib daig kab (nyob rau feem ntau niaj hnub no).
Ceev selector nrog ib tug tov cycling mechanism
Qhov no embodiment combines cov classic tes tsho thiab lub switching mechanism. Txawm li cas los, cov teeb meem ntawm tej keyboards yog hais tias lawv lub meej mom yuav tsis yog them rau cov tsis pub los ntawm ob hom. Vim li no, lawv heev tsis tshua muaj pom nyob rau hauv txoj kev.
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