Mene ne kekuna, tandems?

Tandems - a wajen m wajen harkokin sufuri na cikin gida latitudes. A mafi girma bukatar ne irin model a ɓullo da kasashen Turai, da kuma an yi amfani da farko don kewayen birni iyali ke tafiya.

Kekuna sun dauki wani monolithic jummai frame tare da biyu ƙafafun. Duk da haka, kowace mahayi a nan tare da raba dabaran, pedals da wurin zama, shan mai kai tsaye sashi a gudanar da bike.

A takaice dai tarihi

A farko jummai keke da hannunsa samar a cikin marigayi 19th karni Danish kirkiro Michael Pedersen. Lamban kira ga ci gaban da marubucin samu da ra'ayin a 1894 bayan ya koma Ingila, inda ya kaddamar da wani sabon abu layi na biyu wheeled motocin a jerin samar.

Trial model gabatar a Birtaniya kasuwar, auna game da 24 fam, wanda shi ne game da 10 kg. Daga baya Tandems da samfurin da aka rayayye amfani da Birtaniya soja a lokacin yakin duniya na biyu a matsayin mobile, hur motocin.

Full-sikelin saki tandems, tsara don janar mabukaci masu sauraro, ya shirya da Faransa kamfanin Lejeune da Gitane a karshen karni na karshe. Tun shekarar 1976, ingantattun model, ta ci gaba ta Santana Inji, ya fara bayyana a cikin Amurka kasuwa.

frame

Ba kamar tandems, kowa a cikin 80 ta na karshe karni, yanzu model an halin high kwanciyar hankali, high karko da kuma m zane.

Yau, masu saye da irin motocin ba su da tunani game da fasali na firam tsarin, saboda cikakken duk mafita a kasuwa, cikakken Fitted.

Don sanin da ya dace frame, yana da daraja nuna, da motsi zai faru ga wasu hanyoyi. A saboda wannan dalili, shi ne shawarar ya dauki wani karamin gwajin rajistan shiga a kan 'yan zaba model, wanda zai mayar da hankali a kan mafi dadi bayani.

ƙafafun

Daya daga cikin mafi muhimmanci siga lokacin da sayen wani jummai, wanda ya kamata a ba musamman da hankali, abubuwa dabaran size. Mafi yawa daga cikin dadi birane model suna sanye take da wani misali baki diamita na 26 inci. A hanya kekuna sau da yawa kafa da dabaran size of 28 inci.

fadi da kewayon tayoyin samuwa ga misali samfurin ƙafafun. M 26-inch tayoyin da repays da vibration cewa abubuwa a matsayin wani musamman muhimmanci ingancin lokacin da motsi a kan wani jummai. Daga cikin abubuwan, wadannan tayoyin mafi wuya ga soki.

Idan jummai ne ya shirya ta yi aiki domin high-gudun tuki ko tafiya dogon nesa, mukalli ya zama, na farko, da ƙafafun na 28 inci. Yana da wannan diamita tayoyin ta bukata sana'a racers.

gudun

Yadda azumi kekuna, tandems? Zai ze cewa wadannan motocin ne musamman amfani da tsauraran matakan. Duk da haka, a yi, 'yan mai son cyclists, wanda a lokaci guda halitta gogayya a kan biyu model iya cimma shirye mahayi duka biyu a kan lebur hanya segments, da gangara.

Ko yara jummai keke iya kewaye karauka racing bike a kan downhill. A ƙara nauyi na mahayansu da kuma tasirin guda jure iska ya kwarara da damar da abin hawa ta dual racing downhill a cike gudun.

batun farashin

Tandems ne model na exclusivity. Saboda haka, wadannan model ne a bukatar ta masu amfani da wanda ya bi m, asali mafita.

Nawa na jummai keke (Moscow)? A kasuwannin gida farashin mai bike tsara don mahara mahaya, yana farawa a game da 300. e. Idan wani jummai ake bukata ga al'ada tafiya a wurin shakatawa, za a iya samun wani cheap idan so kasafin kudi model. Amma ga high-ƙarfi ne, kuma hur wasanni model ƙaddara ga aiwatar da manyan ayyuka, da farashin ne fiye da 1,000 a. e.

abũbuwan amfãni

Mene ne abũbuwan amfãni daga daban-daban jummai keke? Reviews na mallakar wadannan motocin bayyana da wadannan:

• babu matsala tare da wani fada bayan na daya daga cikin mahaya, cewa shi ne daya daga cikin manyan disadvantages na kungiyar hadin gwiwa ziyara a raba kekunan.
• tsawwala cin sauri kamar yadda lebur yankunan, da kuma a kan tawakkali da riƙe high zaman lafiyar da bike.
• rage hadarin keta dabaran da Disc rauni.
• don sadarwa cyclists ba su da ihu.
• idan so, daya daga cikin mahaya iya huta yayin da jin dadin da tafiya a cikin wani annashuwa jihar.
• a lokacin motsi a kan wani jummai karfi mahayi iya zama a gaban, wanda zai ja da matalauta.
• daukan hotuna da wannan iska da juriya, da kuma talakawa keke.
• idan ya cancanta, matukin jirgin zaune a baya da kuma mahayi iya musanya wuraren da cewa zai ba da damar da mafi gogaggen cyclist m tafiya da bike a kan wuya sassan na hanya.

Idan muka magana game da shortcomings tandems, shi ne ya kamata a lura da rage maneuverability, saboda da ƙara tsawon na firam. Lokacin kwatsam tasha irin model ne mafi Tsayawa nesa idan aka kwatanta da guda model. Daga cikin abubuwan, mahaya iya fuskanci wasu matsaloli a lokacin da tafiya a kan m ƙasa.