I-Shimano ingenye yemikhiqizo ehamba phambili kukho konke okuhlobene namabhayisikili nokuhamba ngebhayisikili. Eminyakeni yamuva nje sekuyimfashini ukusebenzisa amafutha amaminerali amabhuleki ebhayisikili, kodwa ingabe kuyadingeka ngempela?
Ubani onebhayisikili, unomcebo. Noma yimuphi umnikazi uyomfunela okungcono kakhulu uma efuna ukuba aphile iminyaka eminingi, nakuba okuhle kakhulu akwenziwa njalo. ukunakekelwa okufanele. Ngenxa yalesi sizathu, Shimano ngcono uketshezi for amabhuleki brand yayo. Ingamafutha amaminerali angagqwali anezindawo ezinhle kakhulu zokunweba ezishisayo, nazo ezingamumbi amanzi emoyeni. Futhi ayiyona i-caustic noma enobuthi, nakuba inconywa kuphela i-Shimano brand hydraulic disc brakes.
Usebenzisa maphi amabhuleki?
Uma bevela kumkhiqizo ofanayo, i-Shimano mineral oil iyoba inketho efanelekile kakhulu. Kunalokho, uma kuyi-Magura, i-Royal Blood, nanoma yiluphi olunye uhlobo, uketshezi lwe-DOT cishe lusetshenziswa.
Ngokuyisisekelo, sizosebenzisa amafutha ebhuleki ahloselwe uhlelo lwebhayisikili lethu. Lawo masistimu aklanyelwe uketshezi oluthile futhi singalimaza ama-seal uma sisebenzisa into engalungile. U-Shimano akakaze asebenzise uketshezi lwe-DOT kusukela ngeminyaka yawo-'70s futhi bekungeyona into yobunikazi nhlobo. Babeqondiswa kuphela iqiniso lokuthi amafutha amaminerali i-caustic encane futhi ayimumbi amanzi/umswakama.
Kodwa-ke, singase sibaleke ngokusebenzisa amafutha amaminerali ahlukene kumabhuleki kawoyela amaminerali ahlukene, kodwa kungani uthatha ithuba? Mancane amathuba okuthi sizothola ukuthuthukiswa kokusebenza ngokusebenzisa uketshezi olungeyona i-Shimano kuma-caliper e-XT. Uma kunjalo, uShimano ubezoyithuthukisa noma enze uketshezi oluhlukile kulawo mabhuleki.
Nakuba sivumelana ngokuthile, futhi kungokwakho intengo ephezulu. I-100 ml yamafutha amaminerali avela eShimano ngokuvamile abiza cishe ama-euro angama-25. Nokho, siyazi ukuthi kungase kungadingeki ukuthi sigcobe amabhuleki njalo, ngakho lokho kuyisilinganiso sezinkomishi zekhofi ezingu-5 ngonyaka. I-Finish Line uwoyela wamaminerali ucishe ufane, mhlawumbe i-euro noma amabili ashibhile futhi uketshezi lwawo lwe-DOT lulingana nenani elifanayo. Kodwa empeleni akufanelekile ukonga amarandi ambalwa, uma singathola uketshezi olufanele lwamabhuleki ethu.
Esimeni lapho singakwazi ukukhokhela ama-euro angu-25 ngonyaka noma njalo ngemva kweminyaka embalwa, kungase kudingeke ukuthi sicabangele kabusha izinto kancane. Uma unebhayisikili elinamabhuleki e-hydraulic disc, akufanele uzame ukutshala imali kancane. Uma ukuthenga okuncane ukugcina igama lebhayisikili ligijima kungekho ngaphakathi kwesabelomali, singakhetha ukukhuluma nomuntu owazi kangcono ngezabelomali eziphansi.
Amafutha amaminerali vs uketshezi lwe-DOT
Yize uShimano enza amabhuleki ngoketshezi lwe-DOT ngeminyaka yawo-1960 nawo-1970, amabhuleki esimanje asebenzisa uwoyela wamaminerali. Lawa mafutha ngeke alimaze amapende apendiwe futhi awayingozi kangako esikhumbeni nasendaweni ezungezile. Uma sikhuluma ngamakhemikhali, uketshezi lwe-DOT lumunca umswakama ovela emoyeni, futhi lo mswakama omuncwayo wehlisa indawo yokubilisa yoketshezi lwe-DOT ngokuhamba kwesikhathi.
Esikhundleni salokho, uwoyela wamaminerali we-Shimano uqala endaweni yokubilisa ephezulu eyomile kunanoma yikuphi ukucaciswa koketshezi lwe-DOT. Iphuzu elibilayo lamafutha amaminerali ngeke lishintshe ngokuhamba kwesikhathi ngoba awawutholi umswakama.
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