Hnub no cov kev sib tw pro kev sib tw tau muab khoom siv loj heev rau 10-20 xyoo dhau los, tab sis nws yog ntau yam ntawm cov iav uas tau nthuav dav tshaj plaws raws li cov pab pawg tau hloov zuj zus. Raws li tus naj npawb ntawm sprockets tau nce, lub iav ntau tau nce.
Puas yog Tour de France cov tsheb kauj vab ruaj khov?
Tour de France lub tsheb kauj vab hnyav npaum li cas? … Qhov tseeb tiag, Fiets, phau ntawv xov xwm Dutch caij tsheb kauj vab, tau nthuav tawm lub tsheb kauj vab los ntawm 1903 kev sib tw hnyav ntawm 39.7 phaus… nrog ib lub iav ruaj khov Hnub no, tsheb kauj vab hnyav hauv qis dua 15 phaus-tab sis tsis muaj qis dua, txij li UCI qhov tsawg kawg nkaus lub tsheb kauj vab hnyav yog 6.8kg, uas txhais tau tias yog 14.99 phaus.
Muaj pes tsawg lub zog ntawm Tour de France?
Txawm li cas los xij, cov neeg caij tsheb siv Campagnolo Super Record 12-ceevcov khoom, Campagnolo log, Deda Elementi tuav thiab stems, Prologo eeb, thiab Vittoria log tsheb.
Puas cov neeg caij tsheb kauj vab siv zog?
Pros feem ntau siv lub 55 × 11-tus hniav siab iav rau lub sijhawm simNtawm cov theem tiaj tus lossis dov lawv yuav muaj 53/39T chainrings nrog 11-21T cassette. Nyob rau hauv nruab nrab roob lawv hloov mus rau ib tug loj cog ntawm 23T los yog 25T. Hnub no, lawv tau koom nrog kev hloov pauv loj loj xws li ntau tus neeg caij ua si.
Cov iav piv li cas cov neeg caij tsheb kauj vab siv rau kev nce toj?
"Peb cov txiv neej feem ntau yuav siv lub 36x29 thiab qee tus, cov neeg nce toj uas muaj ceg tawv dua, yuav muaj 39 thiab 32 nyob tom qab. Hofland, peb cov sprinter tseem tshuav, siv 36 los ntawm 29. "Nyob rau theem ib txwm lossis lwm theem roob, lawv siv 39 nyob rau hauv pem hauv ntej thiab 29 nyob tom qab. Thiab qhov ntawd yog qhov zoo tshaj rau cov theem ib txwm. "
