Kako izbrati pravo velikost kolesa?

1) Izbira prave velikosti na podlagi višine razkoraka

Najpomembnejši faktor pri izbiri velikosti kolesa ni višina kolesarja, pač pa višina kolesarjevih nog. Višino nog merimo kot višino razkoraka med nogami. Primerno velikost okvirja dobimo tako, da višino razkoraka pomnožimo z 0.65. Če je višina razkoraka 85 cm, potem bi bila idealna velikost okvirja 55,25 cm. Ker pa je praktično nemogoče dobiti velikost okvirja kolesa do centimetra natančno, izberemo velikost, ki je najbližja kolesarjevi optimalni velikosti. Če bi imeli na voljo velikosti 50 cm, 54 cm in 58 cm, potem bi v tem primeru lahko izbrali velikost 54 cm. Kadar ste v dvomu, katero velikost izbrati, predlagamo, da izberete manjšo velikost.

Zanesljivo merjenje razkoraka

Res zanesljivo višino razkoraka izmerimo tako, da se bosi s hrbtom naslonimo na steno in med nogi zagozdimo debelejšo knjigo, ki jo s hrbtno stranjo obrnemo navzgor in potisnemo v razkorak, kolikor je mogoče (glej sliko). Tako posnemamo sedenje na kolesu. Pazimo, da je knjiga, katere stranico pritisnemo ob steno, v najvišji točki vodoravno. To točko na steni označimo in zmerimo razdaljo od nje do tal. Merjenje večkrat ponovite in za boljši rezultat izračunajte povprečno vrednost vseh merjenj.

2) Izbira prave velikosti kolesa na podlagi telesne višine

Ta metoda je manj zanesljiva od metode merjenja višine razkoraka. A če želite vseeno izbrati pravo velikost kolesa na podlagi telesne višine, si lahko pomagate s spodnjo sliko:

Otroška kolesa

Za razliko od koles za odrasle, katerih velikost se meri po velikosti okvirja, se velikost otroških koles meri po velikosti obročev (premer v colah oz. inčih). Če ste v dvomu, izberite manjšo velikost kolesa. Manjše kolo je tudi lažje, zaradi česar ga bo otrok lažje poganjal.

Izbira velikosti kolesa glede na velikost otroka:

Izbira prave velikosti kolesa glede na starost otroka:

StarostVelikost kolesa
2 - 4 leta 12"
3 - 7 let 16"
7 - 9 let 20"
9 - 11 let 24"

Izbira velikosti kolesa glede na starost otroka je manj zanesljiva, saj so razlike med velikostmi otrok istih let lahko občutne.

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