Measure Your Bike's Gearing With GéRZ -- 26" Page Now Loading Below

GéRZ (Say "GEARS") Bicycle Gear Tables  ||  http://home.i1.net/~dwolfe/gerz/  ||  dwolfe@i1.net
-- CHAINRING TEETH --
C A S S E T T E = F R E E W H E E L   T E E T H		22	24	26	28	30	32	34	36	38	39	40	42	44	46	48	50	52	53
	11	52.0	56.7	61.4	66.2	70.9	75.6	80.4	85.1	89.8	92.2	94.5	99.3	104.0	108.7	113.4	118.2	122.9	125.3
	12	47.7	52.0	56.3	60.7	65.0	69.3	73.7	78.0	82.3	84.5	86.7	91.0	95.3	99.7	104.0	108.3	112.7	114.8
	13	44.0	48.0	52.0	56.0	60.0	64.0	68.0	72.0	76.0	78.0	80.0	84.0	88.0	92.0	96.0	100.0	104.0	106.0
	14	40.9	44.6	48.3	52.0	55.7	59.4	63.1	66.9	70.6	72.4	74.3	78.0	81.7	85.4	89.1	92.9	96.6	98.4
	15	38.1	41.6	45.1	48.5	52.0	55.5	58.9	62.4	65.9	67.6	69.3	72.8	76.3	79.7	83.2	86.7	90.1	91.9
	16	35.7	39.0	42.2	45.5	48.7	52.0	55.2	58.5	61.7	63.4	65.0	68.2	71.5	74.7	78.0	81.2	84.5	86.1
	17	33.6	36.7	39.8	42.8	45.9	48.9	52.0	55.1	58.1	59.6	61.2	64.2	67.3	70.3	73.4	76.5	79.5	81.1
	18	31.8	34.7	37.5	40.4	43.3	46.2	49.1	52.0	54.9	56.3	57.8	60.7	63.5	66.4	69.3	72.2	75.1	76.5
	19	30.1	32.8	35.6	38.3	41.0	43.8	46.5	49.3	52.0	53.4	54.7	57.5	60.2	62.9	65.7	68.4	71.2	72.5
	20	28.6	31.2	33.8	36.4	39.0	41.6	44.2	46.8	49.4	50.7	52.0	54.6	57.2	59.8	62.4	65.0	67.6	68.9
	21	27.2	29.7	32.2	34.7	37.1	39.6	42.1	44.6	47.0	48.3	49.5	52.0	54.5	56.9	59.4	61.9	64.4	65.6
	22	26.0	28.4	30.7	33.1	35.4	37.8	40.2	42.5	44.9	46.1	47.3	49.6	52.0	54.4	56.7	59.1	61.4	62.6
	23	24.9	27.1	29.4	31.7	33.9	36.2	38.4	40.7	43.0	44.1	45.2	47.5	49.7	52.0	54.3	56.5	58.8	59.9
	24	23.8	26.0	28.2	30.3	32.5	34.7	36.8	39.0	41.2	42.2	43.3	45.5	47.7	49.8	52.0	54.2	56.3	57.4
	25	22.9	25.0	27.0	29.1	31.2	33.3	35.4	37.4	39.5	40.6	41.6	43.7	45.8	47.8	49.9	52.0	54.1	55.1
	26	22.0	24.0	26.0	28.0	30.0	32.0	34.0	36.0	38.0	39.0	40.0	42.0	44.0	46.0	48.0	50.0	52.0	53.0
	27	21.2	23.1	25.0	27.0	28.9	30.8	32.7	34.7	36.6	37.5	38.5	40.4	42.3	44.3	46.2	48.1	50.1	51.0
	28	20.4	22.3	24.1	26.0	27.9	29.7	31.6	33.4	35.3	36.2	37.1	39.0	40.9	42.7	44.6	46.4	48.3	49.2
	30	19.1	20.8	22.5	24.3	26.0	27.7	29.5	31.2	32.9	33.8	34.7	36.4	38.1	39.9	41.6	43.3	45.1	45.9
	32	17.9	19.5	21.1	22.7	24.4	26.0	27.6	29.2	30.9	31.7	32.5	34.1	35.8	37.4	39.0	40.6	42.2	43.1
	PRINTING NOTE: For best results, reduce or print pages horizontally. <Gear ratios shown are approximate.> For other gears or greater accuracy, multiply drive wheel diameter in inches by number of chainring teeth, then divide by number of teeth on rear cogs for individual ratios.																27" / 700C Gérz How To Use (1) How To Use (2)

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