Bike Gear Calcs

gear inches

_front^rear	10	51
34	94.0	18.4

speed in kph at cadence (rpm)

_gear^cad.	50	55	60	65	70	75	80	85	90	95	100	105	110	115	120
34 x 10	22.4	24.6	26.8	29.1	31.3	33.6	35.8	38.0	40.3	42.5	44.7	47.0	49.2	51.5	53.7
34 x 51	4.4	4.8	5.3	5.7	6.1	6.6	7.0	7.5	7.9	8.3	8.8	9.2	9.6	10.1	10.5

cadence at speed (kph)

_gear^kph	25	26	27	28	29	30	31	32	33	34	35	36	37	38	39	40	41	42	43	44	45	46	47	48	49	50
34 x 10	56	58	60	63	65	67	69	72	74	76	78	80	83	85	87	89	92	94	96	98	101	103	105	107	110	112
34 x 51	285	296	308	319	331	342	353	365	376	388	399	410	422	433	445	456	467	479	490	502	513	524	536	547	559	570

*meters of development

_front^rear	10	51
34	7.5	1.5