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Select 215, 225, 235, 245, 255, 265, 275, 285, 295, 305, 315, 325, 335, 345,
Select 25, 30, 35, 40, 45, 50, 55, 60,

Tyre Dimensions: 20 inch

20 inch

20 inch tyre sizes

25% 30% 35% 40% 45% 50% 55% 60%
215 215 30 20
225 225 30 20
225 35 20
235 235 30 20
235 35 20
235 45 20
235 55 20
245 245 30 20
245 35 20
245 40 20
245 45 20
245 50 20
255 255 30 20
255 35 20
255 40 20
255 45 20
255 50 20
265 265 30 20
265 35 20
265 40 20
265 45 20
265 50 20
275 275 25 20
275 30 20
275 35 20
275 40 20
275 45 20
275 50 20
275 55 20
275 60 20
285 285 25 20
285 30 20
285 35 20
285 50 20
285 60 20
295 295 25 20
295 30 20
295 35 20
295 40 20
295 45 20
305 305 25 20
305 30 20
305 35 20
305 45 20
305 50 20
305 55 20
315 315 25 20
315 35 20
325 325 25 20
325 30 20
335 335 25 20
335 30 20
345 345 25 20
345 30 20

Graph

Metric Dimensions

20 inch size(s) in mm (Jump to Imperial Table)
size sidewall height ID
inner diameter		 OD
overall diameter		 circumference ride height
overall radius
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215 30 2064.5mm508mm637mm2001.19mm318.5mm
225 30 2067.5mm508mm643mm2020.04mm321.5mm
275 25 2068.75mm508mm645.5mm2027.9mm322.75mm
235 30 2070.5mm508mm649mm2038.89mm324.5mm
285 25 2071.25mm508mm650.5mm2043.61mm325.25mm
245 30 2073.5mm508mm655mm2057.74mm327.5mm
295 25 2073.75mm508mm655.5mm2059.31mm327.75mm
305 25 2076.25mm508mm660.5mm2075.02mm330.25mm
255 30 2076.5mm508mm661mm2076.59mm330.5mm
225 35 2078.75mm508mm665.5mm2090.73mm332.75mm
315 25 2078.75mm508mm665.5mm2090.73mm332.75mm
265 30 2079.5mm508mm667mm2095.44mm333.5mm
325 25 2081.25mm508mm670.5mm2106.44mm335.25mm
235 35 2082.25mm508mm672.5mm2112.72mm336.25mm
275 30 2082.5mm508mm673mm2114.29mm336.5mm
335 25 2083.75mm508mm675.5mm2122.15mm337.75mm
285 30 2085.5mm508mm679mm2133.14mm339.5mm
245 35 2085.75mm508mm679.5mm2134.71mm339.75mm
345 25 2086.25mm508mm680.5mm2137.85mm340.25mm
295 30 2088.5mm508mm685mm2151.99mm342.5mm
255 35 2089.25mm508mm686.5mm2156.7mm343.25mm
305 30 2091.5mm508mm691mm2170.84mm345.5mm
265 35 2092.75mm508mm693.5mm2178.69mm346.75mm
275 35 2096.25mm508mm700.5mm2200.69mm350.25mm
325 30 2097.5mm508mm703mm2208.54mm351.5mm
245 40 2098mm508mm704mm2211.68mm352mm
285 35 2099.75mm508mm707.5mm2222.68mm353.75mm
335 30 20100.5mm508mm709mm2227.39mm354.5mm
255 40 20102mm508mm712mm2236.81mm356mm
295 35 20103.25mm508mm714.5mm2244.67mm357.25mm
345 30 20103.5mm508mm715mm2246.24mm357.5mm
235 45 20105.75mm508mm719.5mm2260.38mm359.75mm
265 40 20106mm508mm720mm2261.95mm360mm
305 35 20106.75mm508mm721.5mm2266.66mm360.75mm
275 40 20110mm508mm728mm2287.08mm364mm
315 35 20110.25mm508mm728.5mm2288.65mm364.25mm
245 45 20110.25mm508mm728.5mm2288.65mm364.25mm
255 45 20114.75mm508mm737.5mm2316.92mm368.75mm
295 40 20118mm508mm744mm2337.34mm372mm
265 45 20119.25mm508mm746.5mm2345.2mm373.25mm
245 50 20122.5mm508mm753mm2365.62mm376.5mm
275 45 20123.75mm508mm755.5mm2373.47mm377.75mm
255 50 20127.5mm508mm763mm2397.04mm381.5mm
235 55 20129.25mm508mm766.5mm2408.03mm383.25mm
265 50 20132.5mm508mm773mm2428.45mm386.5mm
295 45 20132.75mm508mm773.5mm2430.02mm386.75mm
305 45 20137.25mm508mm782.5mm2458.3mm391.25mm
275 50 20137.5mm508mm783mm2459.87mm391.5mm
285 50 20142.5mm508mm793mm2491.28mm396.5mm
275 55 20151.25mm508mm810.5mm2546.26mm405.25mm
305 50 20152.5mm508mm813mm2554.11mm406.5mm
275 60 20165mm508mm838mm2632.65mm419mm
305 55 20167.75mm508mm843.5mm2649.93mm421.75mm
285 60 20171mm508mm850mm2670.35mm425mm

Imperial Dimensions

20 inch size(s) in inches (Jump to Metric Table)
size sidewall height ID
inner diameter		 OD
overall diameter		 circumference ride height
overall radius
 
215 30 202.54 inches20 inches25.08 inches78.79 inches12.54 inches
225 30 202.66 inches20 inches25.31 inches79.53 inches12.66 inches
275 25 202.71 inches20 inches25.41 inches79.84 inches12.71 inches
235 30 202.78 inches20 inches25.55 inches80.27 inches12.78 inches
285 25 202.81 inches20 inches25.61 inches80.46 inches12.81 inches
245 30 202.89 inches20 inches25.79 inches81.01 inches12.89 inches
295 25 202.9 inches20 inches25.81 inches81.08 inches12.9 inches
305 25 203 inches20 inches26 inches81.69 inches13 inches
255 30 203.01 inches20 inches26.02 inches81.76 inches13.01 inches
225 35 203.1 inches20 inches26.2 inches82.31 inches13.1 inches
315 25 203.1 inches20 inches26.2 inches82.31 inches13.1 inches
265 30 203.13 inches20 inches26.26 inches82.5 inches13.13 inches
325 25 203.2 inches20 inches26.4 inches82.93 inches13.2 inches
235 35 203.24 inches20 inches26.48 inches83.18 inches13.24 inches
275 30 203.25 inches20 inches26.5 inches83.24 inches13.25 inches
335 25 203.3 inches20 inches26.59 inches83.55 inches13.3 inches
285 30 203.37 inches20 inches26.73 inches83.98 inches13.37 inches
245 35 203.38 inches20 inches26.75 inches84.04 inches13.38 inches
345 25 203.4 inches20 inches26.79 inches84.17 inches13.4 inches
295 30 203.48 inches20 inches26.97 inches84.72 inches13.48 inches
255 35 203.51 inches20 inches27.03 inches84.91 inches13.51 inches
305 30 203.6 inches20 inches27.2 inches85.47 inches13.6 inches
265 35 203.65 inches20 inches27.3 inches85.78 inches13.65 inches
275 35 203.79 inches20 inches27.58 inches86.64 inches13.79 inches
325 30 203.84 inches20 inches27.68 inches86.95 inches13.84 inches
245 40 203.86 inches20 inches27.72 inches87.07 inches13.86 inches
285 35 203.93 inches20 inches27.85 inches87.51 inches13.93 inches
335 30 203.96 inches20 inches27.91 inches87.69 inches13.96 inches
255 40 204.02 inches20 inches28.03 inches88.06 inches14.02 inches
295 35 204.06 inches20 inches28.13 inches88.37 inches14.06 inches
345 30 204.07 inches20 inches28.15 inches88.43 inches14.07 inches
235 45 204.16 inches20 inches28.33 inches88.99 inches14.16 inches
265 40 204.17 inches20 inches28.35 inches89.05 inches14.17 inches
305 35 204.2 inches20 inches28.41 inches89.24 inches14.2 inches
275 40 204.33 inches20 inches28.66 inches90.04 inches14.33 inches
315 35 204.34 inches20 inches28.68 inches90.1 inches14.34 inches
245 45 204.34 inches20 inches28.68 inches90.1 inches14.34 inches
255 45 204.52 inches20 inches29.04 inches91.22 inches14.52 inches
295 40 204.65 inches20 inches29.29 inches92.02 inches14.65 inches
265 45 204.69 inches20 inches29.39 inches92.33 inches14.69 inches
245 50 204.82 inches20 inches29.65 inches93.13 inches14.82 inches
275 45 204.87 inches20 inches29.74 inches93.44 inches14.87 inches
255 50 205.02 inches20 inches30.04 inches94.37 inches15.02 inches
235 55 205.09 inches20 inches30.18 inches94.8 inches15.09 inches
265 50 205.22 inches20 inches30.43 inches95.61 inches15.22 inches
295 45 205.23 inches20 inches30.45 inches95.67 inches15.23 inches
305 45 205.4 inches20 inches30.81 inches96.78 inches15.4 inches
275 50 205.41 inches20 inches30.83 inches96.85 inches15.41 inches
285 50 205.61 inches20 inches31.22 inches98.08 inches15.61 inches
275 55 205.95 inches20 inches31.91 inches100.25 inches15.95 inches
305 50 206 inches20 inches32.01 inches100.56 inches16 inches
275 60 206.5 inches20 inches32.99 inches103.65 inches16.5 inches
305 55 206.6 inches20 inches33.21 inches104.33 inches16.6 inches
285 60 206.73 inches20 inches33.46 inches105.13 inches16.73 inches
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