{"id":341,"date":"2026-09-17T07:16:51","date_gmt":"2026-09-17T05:16:51","guid":{"rendered":"https:\/\/semqapps.com\/darkspeed\/et\/ulekande-kalkulaator"},"modified":"2026-09-17T07:29:58","modified_gmt":"2026-09-17T05:29:58","slug":"ulekande-kalkulaator","status":"publish","type":"page","link":"https:\/\/semqapps.com\/darkspeed\/et\/ulekande-kalkulaator","title":{"rendered":"Jalgratta \u00fclekande kalkulaator"},"content":{"rendered":"<p>Vali esiketas, tagaketas ja rehv, ning allolev kalkulaator \u00fctleb selle \u00fclekande kohta kolm asja: kui kiiresti see antud kadentsil s\u00f5idab, mitu \u00fclekande tolli see on ja kui kaugele \u00fcks v\u00e4ntade p\u00f6\u00f6re sind tegelikult viib. K\u00f5ik arvutatakse \u00fcmber kirjutamise ajal.<\/p>\n<div class=\"calc\" data-imperial=\"1\" data-unit=\"mph\" data-decimal=\".\">\n  <h2 class=\"calc-title\" id=\"darkspeed-calculator\"><a href=\"https:\/\/semqapps.com\/darkspeed\/bike-gear-ratio-calculator\">Cadence and gearing calculator<\/a><\/h2>\n  <p class=\"calc-lead\">Set your gear and your cadence, then read off the speed. Everything updates as you type.<\/p>\n\n  <div class=\"calc-grid\">\n    <label class=\"calc-field\">\n      <span class=\"calc-label\">Cadence<\/span>\n      <span class=\"calc-input\">\n        <input type=\"number\" id=\"calc-cadence\" value=\"90\" min=\"20\" max=\"200\" step=\"1\" inputmode=\"numeric\" \/>\n        <span class=\"calc-suffix\">rpm<\/span>\n      <\/span>\n    <\/label>\n\n    <label class=\"calc-field\">\n      <span class=\"calc-label\">Chainring<\/span>\n      <span class=\"calc-input\">\n        <input type=\"number\" id=\"calc-chainring\" value=\"50\" min=\"20\" max=\"60\" step=\"1\" inputmode=\"numeric\" \/>\n        <span class=\"calc-suffix\">T<\/span>\n      <\/span>\n    <\/label>\n\n    <label class=\"calc-field\">\n      <span class=\"calc-label\">Sprocket<\/span>\n      <span class=\"calc-input\">\n        <input type=\"number\" id=\"calc-cog\" value=\"17\" min=\"9\" max=\"52\" step=\"1\" inputmode=\"numeric\" \/>\n        <span class=\"calc-suffix\">T<\/span>\n      <\/span>\n    <\/label>\n\n    <label class=\"calc-field\">\n      <span class=\"calc-label\">Wheel and tire<\/span>\n      <span class=\"calc-input\">\n        <select id=\"calc-wheel\">\n                    <option value=\"700x23c\"\n                  data-circ=\"2099\"\n                  >700 \u00d7 23C<\/option>\n                    <option value=\"700x25c\"\n                  data-circ=\"2111\"\n                   selected='selected'>700 \u00d7 25C<\/option>\n                    <option value=\"700x28c\"\n                  data-circ=\"2130\"\n                  >700 \u00d7 28C<\/option>\n                    <option value=\"700x32c\"\n                  data-circ=\"2155\"\n                  >700 \u00d7 32C<\/option>\n                    <option value=\"700x38c\"\n                  data-circ=\"2193\"\n                  >700 \u00d7 38C<\/option>\n                    <option value=\"29x2.25\"\n                  data-circ=\"2312\"\n                  >29 \u00d7 2.25<\/option>\n                    <option value=\"650bx47\"\n                  data-circ=\"2130\"\n                  >650B \u00d7 47 (27.5 \u00d7 1.85)<\/option>\n                    <option value=\"27.5x2.1\"\n                  data-circ=\"2168\"\n                  >27.5 \u00d7 2.10<\/option>\n                    <option value=\"26x2.1\"\n                  data-circ=\"2089\"\n                  >26 \u00d7 2.10<\/option>\n                    <option value=\"20x1.75\"\n                  data-circ=\"1552\"\n                  >20 \u00d7 1.75<\/option>\n                  <\/select>\n      <\/span>\n    <\/label>\n  <\/div>\n\n  <p class=\"calc-result\">\n    <output id=\"calc-out\" for=\"calc-cadence calc-chainring calc-cog calc-wheel\">\n      <strong id=\"calc-speed\">20.8<\/strong>\n      <span class=\"calc-unit\">mph<\/span>\n    <\/output>\n  <\/p>\n\n  <ul class=\"calc-secondary\">\n    <li>\n      <span class=\"calc-sec-label\">Gear inches<\/span>\n      <span class=\"calc-sec-value\" id=\"calc-inches\">77.8<\/span>\n    <\/li>\n    <li>\n      <span class=\"calc-sec-label\">Distance per pedal turn<\/span>\n      <span class=\"calc-sec-value\"><span id=\"calc-dev\">6.2<\/span> m<\/span>\n    <\/li>\n    <li>\n      <span class=\"calc-sec-label\">Rolling circumference<\/span>\n      <span class=\"calc-sec-value\"><span id=\"calc-circ\">2111<\/span> mm<\/span>\n    <\/li>\n  <\/ul>\n\n  <h3 class=\"calc-table-title\">The same gear at other cadences<\/h3>\n  <div class=\"calc-table-wrap\">\n    <table class=\"calc-table\">\n      <thead>\n        <tr>\n          <th scope=\"col\">Cadence<\/th>\n          <th scope=\"col\">mph<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody id=\"calc-rows\">\n                <tr>\n          <td>60 rpm<\/td>\n          <td>13.9<\/td>\n        <\/tr>\n                <tr>\n          <td>70 rpm<\/td>\n          <td>16.2<\/td>\n        <\/tr>\n                <tr>\n          <td>80 rpm<\/td>\n          <td>18.5<\/td>\n        <\/tr>\n                <tr>\n          <td>90 rpm<\/td>\n          <td>20.8<\/td>\n        <\/tr>\n                <tr>\n          <td>100 rpm<\/td>\n          <td>23.1<\/td>\n        <\/tr>\n                <tr>\n          <td>110 rpm<\/td>\n          <td>25.5<\/td>\n        <\/tr>\n              <\/tbody>\n    <\/table>\n  <\/div>\n\n  <p class=\"calc-note\">The circumference is worked out from the ISO size printed on the tire wall: \u03c0 \u00d7 (rim diameter + twice the tire width). That runs about one percent above the tables built into bike computers, because a loaded tire is not a circle. For an exact figure, mark the valve, roll the bike forward one full turn with your weight on it, and measure the distance.<\/p>\n<\/div>\n<h2 id=\"kuidas-arvutus-kaib\">Kuidas arvutus k\u00e4ib<\/h2>\n<p>Jalgrattal ei ole k\u00e4igukasti autoliku m\u00f5ttes. See, mida sa k\u00e4iku vahetades muudad, on kahe hammasratta suhe, ja k\u00f5ik \u00fclej\u00e4\u00e4nu tuleneb sellest aritmeetiliselt. Varjatud tegurit ei ole ja midagi ei l\u00e4he kaotsi: k\u00f5ik mahub \u00fchele reale.<\/p>\n<p>Sinu \u00fclekanne on lihtsalt esiketas jagatud tagakettaga. Viiek\u00fcmne hambaga esiketas seitsmeteistk\u00fcmne hambaga tagaketta vastu annab 2,94, mis t\u00e4hendab, et tagaratas p\u00f6\u00f6rleb iga v\u00e4ntade p\u00f6\u00f6rde kohta 2,94 korda. Korruta see teepikkusega, mille ratas \u00fche p\u00f6\u00f6rdega l\u00e4bib, ja v\u00e4ntade p\u00f6\u00f6retega minutis, ning sul on kiirus k\u00e4es.<\/p>\n<p><strong>kiirus = kadents \u00d7 (esiketas \u00f7 tagaketas) \u00d7 veere\u00fcmberm\u00f5\u00f5t<\/strong><\/p>\n<p>Ainus suurus, mida rattale kirjutatud ei ole, on viimane, ja selle tuletab kalkulaator sinu eest rehvi m\u00f5\u00f5dust.<\/p>\n<h2 id=\"ulekande-tollid-ja-teepikkus-vantade-poorde-kohta\">\u00dclekande tollid ja teepikkus v\u00e4ntade p\u00f6\u00f6rde kohta<\/h2>\n<p>Paljas suhe 2,94 ei \u00fctle iseenesest midagi, sest see eirab ratast. Sama suhe 26tollisel m\u00e4girattal ja 700C maanteerattal annab kaks tuntavalt erinevat \u00fclekannet. Sellep\u00e4rast v\u00f5rdlevadki ratturid \u00fclekandeid \u00fchikutes, mis ratta juba sisaldavad.<\/p>\n<p>\u00dclekande tollid on neist vanem: l\u00e4bim\u00f5\u00f5t, mida otseveoga suurratas vajaks, et \u00fche pedaalit\u00f5ukega sama kaugele veereda. Esmapilgul muuseumiese ja ikkagi see arv, mida k\u00f5ik nimetavad, sest see teeb kaks erineva rattaga jalgratast otseselt v\u00f5rreldavaks. Teepikkus v\u00e4ntade p\u00f6\u00f6rde kohta \u00fctleb sama meetrites ja seda on lihtsam ette kujutada: 78tolline \u00fclekanne viib sind iga t\u00e4isp\u00f6\u00f6rdega umbes 6,2 meetrit edasi.<\/p>\n<h2 id=\"kuidas-veereumbermootu-tapselt-moota\">Kuidas veere\u00fcmberm\u00f5\u00f5tu t\u00e4pselt m\u00f5\u00f5ta<\/h2>\n<p>Kalkulaator tuletab \u00fcmberm\u00f5\u00f5du rehvi k\u00fcljele vormitud ISO m\u00f5\u00f5dust: \u03c0 \u00d7 (veljel\u00e4bim\u00f5\u00f5t + kaks korda rehvi laius). Rehv 700 \u00d7 25C on ISO 25-622, seega \u03c0 \u00d7 (622 + 50) annab 2111 mm. See on l\u00e4bipaistev ja kontrollitav, mida enamiku rattaarvutite sisseehitatud tabelite kohta \u00f6elda ei saa: need erinevad \u00fcksteisest ega viita \u00fchelegi allikale.<\/p>\n<p>See on ka umbes protsendi v\u00f5rra liiga suur, sest s\u00f5itja all olev rehv ei ole ring. Kui tahad \u00f5iget arvu, tee veereproov: m\u00e4rgi ventiil all, istu rattale, veere edasi, kuni ventiil on j\u00e4lle all, ja m\u00f5\u00f5da kahe m\u00e4rgi vahe. Korda kolm korda ja v\u00f5ta keskmine. See \u00fcksainus m\u00f5\u00f5tmine l\u00f6\u00f6b iga tabeli, ja see on ka arv, mille tasub rattaarvutisse sisestada, et selle vahemaad paika peaksid.<\/p>\n<h2 id=\"kuus-ulekannet-labi-arvutatud\">Kuus \u00fclekannet, l\u00e4bi arvutatud<\/h2>\n<p>K\u00f5ik kuus rehviga 700 \u00d7 25C, seega 2111 mm \u00fcmberm\u00f5\u00f5duga. Kiirused eeldavad 90 rpm, kadentsi, mida enamik tasasel hoiab.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u00dclekanne<\/th>\n<th>Milleks<\/th>\n<th>\u00dclekande tollid<\/th>\n<th>Teepikkus v\u00e4ntade p\u00f6\u00f6rde kohta<\/th>\n<th>km\/h 90 rpm juures<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>34 \/ 28<\/td>\n<td>J\u00e4rsk t\u00f5us<\/td>\n<td>32,1<\/td>\n<td>2,6 m<\/td>\n<td>13,8<\/td>\n<\/tr>\n<tr>\n<td>34 \/ 21<\/td>\n<td>K\u00fcnklik maastik<\/td>\n<td>42,8<\/td>\n<td>3,4 m<\/td>\n<td>18,5<\/td>\n<\/tr>\n<tr>\n<td>50 \/ 17<\/td>\n<td>S\u00f5it tasasel<\/td>\n<td>77,8<\/td>\n<td>6,2 m<\/td>\n<td>33,5<\/td>\n<\/tr>\n<tr>\n<td>50 \/ 14<\/td>\n<td>Kiire grupis\u00f5it<\/td>\n<td>94,5<\/td>\n<td>7,5 m<\/td>\n<td>40,7<\/td>\n<\/tr>\n<tr>\n<td>50 \/ 11<\/td>\n<td>Sprint<\/td>\n<td>120,2<\/td>\n<td>9,6 m<\/td>\n<td>51,8<\/td>\n<\/tr>\n<tr>\n<td>42 \/ 16<\/td>\n<td>T\u00fc\u00fcpiline \u00fchek\u00e4iguline<\/td>\n<td>69,4<\/td>\n<td>5,5 m<\/td>\n<td>29,9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"milline-kadents-millise-ulekande-juurde\">Milline kadents millise \u00fclekande juurde<\/h2>\n<p>Kalkulaator \u00fctleb lahkelt, et 50 \u00d7 11 110 rpm juures on 63 km\/h. Ta ei \u00fctle, et seda ei suuda peaaegu keegi hoida, ja just siin lakkab \u00fclekande kalkulaator olemast piisav. Seda, millist \u00fclekannet sa keerata jaksad, piirab olemasolev v\u00f5imsus, ja kadents otsustab, kas see v\u00f5imsus tuleb lihasj\u00f5ust v\u00f5i s\u00fcdamest ja kopsudest.<\/p>\n<p>L\u00fchidalt: enamiku jaoks on kasulik vahemik 70 kuni 100 rpm, ja \u00f5ige \u00fclekanne on see, mis hoiab sind seal maastikul, kus sa s\u00f5idad. Kui leiad end t\u00f5usul alla 70 rpm, on vastus kergem \u00fclekanne, mitte suurem pingutus. <a href=\"https:\/\/semqapps.com\/darkspeed\/et\/kadents-jalgrattasoit\">Kadentsi juhend<\/a> k\u00e4sitleb vahemikke, seda, mida uuringud tegelikult m\u00f5\u00f5tsid, ja kolme treeningut nende laiendamiseks.<\/p>\n<h2 id=\"korduma-kippuvad-kusimused\">Korduma kippuvad k\u00fcsimused<\/h2>\n<p><strong>Milline \u00fclekanne sobib maanteerattale?<\/strong> Tavas\u00f5iduks katab 50\/34 v\u00e4ndakomplekt koos 11-32 kassetiga peaaegu k\u00f5ik: all umbes 28 tolli j\u00e4rskudeks t\u00f5usudeks ja \u00fcleval umbes 120 laskumisteks.<\/p>\n<p><strong>Mis on \u00fclekande tollid?<\/strong> Rattal\u00e4bim\u00f5\u00f5t, mida otseveoga jalgratas vajaks, et \u00fche pedaalit\u00f5ukega sama vahemaa l\u00e4bida. Viis v\u00f5rrelda \u00fclekandeid eri suurusega ratastega jalgrataste vahel.<\/p>\n<p><strong>Kuidas arvutan kiiruse kadentsist ja \u00fclekandest?<\/strong> Korruta kadents \u00fclekandesuhtega ja veere\u00fcmberm\u00f5\u00f5duga. 90 rpm juures 50\/17 ja 2111 mm rattaga tuleb 33,5 km\/h.<\/p>\n<p><strong>Kas rehvi laius muudab minu \u00fclekannet?<\/strong> V\u00e4hesel m\u00e4\u00e4ral. 25 mm-lt 32 mm-le minek lisab umbes 44 mm \u00fcmberm\u00f5\u00f5tu, mis on sama kadentsi ja sama \u00fclekande juures umbes kaks protsenti rohkem kiirust.<\/p>\n<p><strong>Millise \u00fcmberm\u00f5\u00f5du peaksin rattaarvutisse sisestama?<\/strong> Selle, mille m\u00f5\u00f5dad ratast oma raskusega veeretades. Tabeliv\u00e4\u00e4rtused on tavaliselt protsendi v\u00f5rra optimistlikud, mis 40 km s\u00f5idul teeb umbes 400 meetrit.<\/p>\n<p><strong>Kas suurem \u00fclekanne on alati kiirem?<\/strong> Ainult siis, kui suudad seda veel m\u00f5istliku kadentsiga keerata. \u00dclekanne, mida jahvatad 55 rpm juures, annab p\u00fcsivalt v\u00e4hem v\u00f5imsust kui kergem, mida keerutad 90 juures.<\/p>\n<p><strong>Millist kadentsi peaksin taotlema?<\/strong> Enamikule sobib k\u00f5ige paremini 70 kuni 100 rpm, kusjuures umbes 90 rpm on k\u00f5ige sagedamini nimetatud v\u00f5rdlusv\u00e4\u00e4rtus.<\/p>\n<aside class=\"ds-cta ds-cta--band\" id=\"get\"\t       data-cta-tag=\"page\"\n\t       aria-labelledby=\"ds-cta-1\">\n\t\t<h2 class=\"ds-cta-title\" id=\"ds-cta-1\">\n\t\t\tMount it. Ride it. <span class=\"text-cyan\">Read it at a glance.<\/span>\t\t<\/h2>\n\t\t\t\t<p class=\"ds-cta-lead\">DarkSpeed is a focused, distraction-free bike speedometer for iOS and Android.<\/p>\n\t\t\t\t    <div class=\"store-buttons\" data-placement=\"article_page\">\n      <a class=\"store-btn store-btn--apple\" href=\"https:\/\/apps.apple.com\/us\/app\/darkspeed-bike-speedometer\/id6780020629?pt=129025072&#038;ct=darkspeed_www&#038;mt=8\">\n        <svg class=\"store-icon\" viewBox=\"0 0 24 24\" fill=\"currentColor\" aria-hidden=\"true\"><path d=\"M17.564 12.625c-.022-2.244 1.832-3.318 1.916-3.371-1.044-1.526-2.667-1.735-3.245-1.76-1.382-.14-2.694.812-3.395.812-.7 0-1.78-.79-2.926-.768-1.506.022-2.894.874-3.668 2.22-1.564 2.71-.4 6.722 1.124 8.927.745 1.08 1.633 2.293 2.799 2.25 1.124-.046 1.55-.726 2.91-.726 1.36 0 1.742.726 2.93.703 1.21-.022 1.976-1.1 2.717-2.184.856-1.252 1.21-2.466 1.232-2.528-.027-.012-2.367-.91-2.394-3.575zm-2.225-6.575c.62-.752 1.04-1.798.926-2.844-.896.036-1.984.595-2.625 1.346-.575.666-1.078 1.733-.943 2.756 1 .078 2.022-.508 2.642-1.258z\"\/><\/svg>\n        <span>\n          <small>Download on the<\/small>\n          <strong>App Store<\/strong>\n        <\/span>\n      <\/a>\n      <a class=\"store-btn store-btn--google\" href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.darkspeed.app&#038;referrer=utm_source%3Dsemqapps.com%26utm_medium%3Dreferral%26utm_campaign%3Ddarkspeed_www%26utm_content%3Den%26utm_term%3Dpage\">\n        <svg class=\"store-icon\" viewBox=\"0 0 24 24\" aria-hidden=\"true\">\n          <path fill=\"#34A853\" d=\"M3 20.5V3.5c0-.4.1-.7.3-1l10 10-10 10c-.2-.3-.3-.6-.3-1z\"\/>\n          <path fill=\"#FBBC04\" d=\"M16.8 12L20.4 9.9c.8.5 1.3 1.2 1.3 2.1s-.5 1.6-1.3 2.1L16.8 12z\"\/>\n          <path fill=\"#EA4335\" d=\"M13.3 12.5l3.5 3.5-12 6.7c-.5.3-1 .2-1.5-.2l10-10z\"\/>\n          <path fill=\"#4285F4\" d=\"M13.3 11.5L3.3 1.5c.5-.4 1-.5 1.5-.2l12 6.7-3.5 3.5z\"\/>\n        <\/svg>\n        <span>\n          <small>GET IT ON<\/small>\n          <strong>Google Play<\/strong>\n        <\/span>\n      <\/a>\n    <\/div>\n    \t<\/aside>\n","protected":false},"excerpt":{"rendered":"<p>Arvuta kiirus, \u00fclekande tollid ja teepikkus v\u00e4ntade p\u00f6\u00f6rde kohta ketastest ja rehvist. Kuus tavalist \u00fclekannet ning kuidas ratta \u00fcmberm\u00f5\u00f5tu t\u00e4pselt m\u00f5\u00f5ta.<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":59,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-341","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/semqapps.com\/darkspeed\/wp-json\/wp\/v2\/pages\/341","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/semqapps.com\/darkspeed\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/semqapps.com\/darkspeed\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/semqapps.com\/darkspeed\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/semqapps.com\/darkspeed\/wp-json\/wp\/v2\/comments?post=341"}],"version-history":[{"count":1,"href":"https:\/\/semqapps.com\/darkspeed\/wp-json\/wp\/v2\/pages\/341\/revisions"}],"predecessor-version":[{"id":395,"href":"https:\/\/semqapps.com\/darkspeed\/wp-json\/wp\/v2\/pages\/341\/revisions\/395"}],"up":[{"embeddable":true,"href":"https:\/\/semqapps.com\/darkspeed\/wp-json\/wp\/v2\/pages\/59"}],"wp:attachment":[{"href":"https:\/\/semqapps.com\/darkspeed\/wp-json\/wp\/v2\/media?parent=341"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}