Kekunan zamani ana yin su ne da sassa da dama, amma mafi mahimmancin su ne firam ɗinsa, ƙafafunsa, taya, wurin zama, tuƙi, tuƙi, da birki.Wannan sauƙi na dangi ya ba masu kera na farko damar ƙirƙirar abin dogara da sauƙin amfani da ƙirar kekuna shekaru da yawa bayan fara siyar da velocipedes na farko a cikin 1960s Faransa, amma da ɗan ƙoƙari sun haɓaka ƙirar kekuna don ɗaukar sassa da yawa waɗanda ke a yau ɓangare na duk na zamani. kekuna.
Mafi mahimmanci abubuwan haɗin keke:
Frame– Firam ɗin kekuna shine babban ɓangaren keken da ake ɗora dukkan sauran abubuwan a kai.Yawancin lokaci ana yin su daga abubuwa masu ƙarfi da ƙarfi (mafi yawancin ƙarfe, gami da aluminum, fiber carbon, titanium, thermoplastic, magnesium, itace, scandium da sauransu da yawa, gami da haɗuwa tsakanin kayan) waɗanda aka ƙirƙira su cikin ƙirar da ta dace da yanayin yanayin amfani. na kekuna.Yawancin kekuna na zamani ana yin su ne ta hanyar madaidaiciyar keke wanda aka dogara akan Keken Tsaro na Rover na 1980s.Ya ƙunshi triangles guda biyu, suna samar da abin da a yau aka fi sani da "firam ɗin lu'u-lu'u".Duk da haka, ban da firam ɗin lu'u-lu'u wanda ke buƙatar direba don taka ƙafafu tare da ƙafafunsa a fadin "bututun sama", ana amfani da wasu kayayyaki da yawa a yau.Mafi shaharar su sune firam ɗin mataki-mataki (wanda aka yi niyya ga direbobin mata), cantilever, recumbent, m, giciye, truss, monocoque da sauran nau'ikan nau'ikan nau'ikan kekuna da yawa waɗanda ake amfani da su a cikin nau'ikan kekuna na musamman kamar kekuna na tandem, penny-farthings, kekuna na nadawa da sauransu. wasu.
Dabarun– Tun da farko an yi tayoyin keke daga itace ko ƙarfe, amma da ƙirƙira tayoyin bututun hayaki sun canza zuwa ƙirar ƙafafun waya mara nauyi na zamani.Babban abubuwan haɗin su shine cibiya (waɗanda gidaje axle, bearings, gears da ƙari), magana, rim da taya.
Rivetrain da Gearing- Canja wurin wutar lantarki daga ƙafafu masu amfani (ko a wasu lokuta hannaye) ana yin amfani da hanyoyin da aka mayar da hankali kan takamaiman wurare guda uku - tarin wutar lantarki (fadalan da ke juyawa akan dabaran da aka yi amfani da su), watsa wutar lantarki (tarin ikon takalmi a kan sarkar ko wani abu makamancin haka irin su bel ko shaft maras sarkar) sannan a karshe saurin gudu da hanyoyin jujjuyawar juzu'i (akwatin gear, masu motsi ko haɗin kai tsaye zuwa gear guda ɗaya wanda ke da alaƙa da axle na baya).
Tuƙi da Wurin zama– Ana samun tuƙi akan kekuna madaidaiciya na zamani ta hanyar haɗa sanduna tare da cokali mai yatsa ta hanyar tushe wanda zai iya juyawa cikin yardar kaina a cikin naúrar kai.Hannun hannu “madaidaitan” na yau da kullun suna da kamannin kekuna na gargajiya waɗanda aka kera tun shekarun 1860, amma hanyoyin zamani da kekunan tsere suma suna da “Drop handbars” waɗanda ake lanƙwasa gaba da ƙasa.Wannan saitin yana buƙatar direba don tura kansa gaba a mafi kyawun matsayi na iska.Ana yin kujeru a cikin tsari marasa ƙima, suna samar da waɗanda ke da daɗi da lulluɓe, zuwa waɗanda suka fi tsayi da kunkuntar gaba don su iya ba direba ƙarin sarari don motsi ƙafa.
Birki– Birkin keke yana zuwa iri-iri – Birkin cokali (ba kasafai ake amfani da shi a yau ba), Birkin Duck (daya), Birkin Rim (gashin gogayya da ke latsa gefen motar mai juyawa, na gama gari), Birkin diski, birkin ganga, birkin Coaster, Jawo. birki da birki na Band.Yayin da yawancin waɗancan birkunan ana yin su don amfani da su kamar na'urorin kunnawa, wasu na hydraulic ne ko ma gauraye.
cikakken jerin sassan keke:
- Axle:
- Bar yana ƙarewa
- Matosai ko madafunan ƙarewa
- Kwando
- Mai ɗauka
- Bell
- Belt-drive
- Kebul na birki
- kejin kwalba
- Bakin ƙasa
- Birki
- Lever birki
- Mai motsi birki
- Braze-on
- Jagorar kebul
- Kebul
- Katun katako
- Kaset
- Sarkar Direba
- Sarrafa
- Sarkarwa
- Sarkar
- Sarkar tensioner
- Chaintug
- Tari
- Cogset
- Mazugi
- Crankset
- Cotter
- Ma'aurata
- Kofin
- Cyclocomputer
- Mai ratayewa
- Derailleur
- Down tube
- Daina
- Ƙura
- Dynamo
- Ido
- Tsarin Kayan Wuta na Lantarki
- Yin adalci
- Fender
- Ferrule
- cokali mai yatsa
- Ƙarshen cokali mai yatsu
- Frame
- Freehub
- Ƙarƙashin ƙafar ƙafa
- Gusset
- Hanger
- Handbar
- Filogin Handlebar
- Tef ɗin hannu
- Alamar kai
- Babban tube
- Na'urar kai
- Hood
- Hub
- Hub dynamo
- Hub gear
- Mai nuna alama
- Bututun ciki
- dabaran Jockey
- Kickstand
- Kulle
- Kulle
- Lugu: a
- Mai ɗaukar kaya
- Jagora mahada
- Nono
- Pannier
- Fedal
- Tushe
- Maɗaukaki madauri
- Saurin saki
- Rack
- Mai tunani
- Dabarun horo masu cirewa
- Rim
- Rotor
- Tsaro levers
- Zama
- Wurin zama
- Wurin zama
- Wurin zama
- Jakar zama
- Wurin zama
- Wurin zama
- Shaft-drive
- Shifter
- Shock absorber
- Madubin kallon gefe
- Mai gadi ko rigar riga
- Spindle
- Yayi magana
- Tushen tuƙi
- Kara
- Taya
- Shirye-shiryen yatsan yatsa
- Babban bututu
- Bawul mai tushe
- Dabarun
- Wingnut
Lokacin aikawa: Yuli-21-2022