Vim li cas freewheel wobble?

Cov txheej txheem:

Vim li cas freewheel wobble?
Vim li cas freewheel wobble?
Anonim

Txawm yog sawm tsis hla. Lub freewheel wobbling rau ob yog vim li cas: Txoj cai-sab laug yog vim hais tias cov xov rau lub freewheel tsis raws nraim nyob rau hauv lub qag. Qhov nce thiab nqis yog vim cov xov tsis nyob ntawm lub kaum sab xis ntawm lub qag.

Nws puas yog ib txwm rau lub cassette wobble?

Ib me ntsis wobble tsis yog qhov txawv. Yeej tsis yog txhua lub cassettes wobble tab sis qee qhov ua thiab tseem nyob hauv specs. Nws yog tsis yooj yim sua los tsim kom muaj nuj nqis ntawm cassettes uas Shimano thiab SRAM ua tsis muaj ib co variance nyob rau hauv tolerances.

Yuav tsum muaj freewheel muaj ua si?

Freewheels tuaj yeem txhim kho qee qhov kev ua si tom qab lub sijhawm thiab hauv kuv tus kheej kev paub nws tsis ua rau muaj teeb meem. Yog tias nws txhawj xeeb rau koj, cov no tsis yog cov khoom kim heev yog li koj tuaj yeem hloov nws.

Qhov txawv ntawm lub freewheel thiab lub cassette yog dab tsi?

Qhov txawv ntawm freewheel thiab cassette hub yog dab tsi?Lub freewheel yog ib chav tsev thiab kev ua ntawm pedaling nruj lub freewheel rau lub hub. Whereas lub cassette hub yog ib txheej iav (cogs) uas swb mus rau ib lub cassette thiab tuav nyob rau hauv qhov chaw los ntawm ib tug xauv lub nplhaib.

Kuv yuav ua li cas thiaj paub yog tias kuv lub kaus mom xoob?

Nws yooj yim los kuaj xyuas lub kaw lus xoob - tuav lub log tsheb ntawm ib sab tes, thiab lub cassette nyob rau lwm qhov, thiab xaub nws raws lub qag. Yog hais tias nws txav me ntsis, nws yog xoob. Txhawm rau kom nruj lub cassette, tshem lub log nram qab ntawm lublub tsheb kauj vab, thiab tshem tawm thiab tshem tawm cov skewer ceev ntawm lub log.

Pom zoo:

Nthuav cov khoom
Puas yog homomorphism tib yam li isomorphism?
Nyeem ntxiv

Puas yog homomorphism tib yam li isomorphism?

Isomorphism yog homomorphism tshwj xeeb. Greek keeb kwm "homo" thiab "morph" ua ke txhais tau tias "zoo tib yam." Muaj ob qhov xwm txheej uas homomorphisms tshwm sim: thaum ib pab pawg yog ib pawg ntawm lwm pawg;

Yuav tau sawv los yog tshwm sim?
Nyeem ntxiv

Yuav tau sawv los yog tshwm sim?

Peb hom tshwm sim yog arise, sawv, arisen. Nws yog siv hauv cov ntsiab lus tseem ceeb: Ib lub sijhawm tshwm sim thiab nws txiav txim siab los ua txoj haujlwm hauv Brussels. Ib qho teeb meem tshwm sim nrog kuv daim ntawv hla tebchaws. Koj siv arose hauv kab lus li cas?

Nyob hauv qab ceg cov leeg nqaij gastrocnemius khoov?
Nyeem ntxiv

Nyob hauv qab ceg cov leeg nqaij gastrocnemius khoov?

Cov leeg nqaij gastrocnemius flexes ko taw ntawm pob qij txha- uas yog nws ua rau taw taw ko taw nqes los ntawm khoov nws ntawm pob taws pob taws, xws li thaum koj sawv ntawm koj. cov ntiv taw. Qhov kev txiav txim no hu ua plantar flexion. Lub gastrocnemius kuj flexes ceg ntawm lub hauv caug sib koom.