StandardBikes.ca     Home   Login   SignUp   Contact Us

---

Gear Ratio Calculations
Below are the gear ratio calculations for a few known bikes.
Most new bikes don't have low enough gears for Vancouver.
See Gear Ratios Document

Upd  Title  Keywords  Front  Rear  LowRatio  HighRatio  ChainS  Range  TireD  LowInch  HighInch   Search Term     SortOrder Title LowRatio HighRatio Range TireD LowInch HighInch ChainS

Title	Keywords	Front	Rear	LowRatio	HighRatio	ChainS	Range	TireD	LowInch	HighInch
Low Gear Gravel Bike (Hypothetical)		36/22	11-36	0.61	3.3	39	541%	27	16	89
Masi Giramondo		44/32/22	11-36	0.61	4.0	47	656%	27	16	108
Custom 9.36 Opus Extreme		42/32/22	11-36	0.61	3.8	45	623%	27	16	103
Nisiki Touring (Bob Saunders)	Friends, Bob Saunders	42/32/22	12-34	0.65	3.5	42	538%	26	17	91
Miyata 1000 with Mtn Crank	Friends	42/32/22	11-34	0.65	3.8	43	585%	27	18	103
Custom 9.34 (Opus)		42/32/22	11-34	0.65	3.8	43	585%	27	18	103
Custom 8.34		42/32/22	11-34	0.65	3.8	43	585%	27	18	103
Rocky Mountain Modified 2010	Friends	42/32/22	12-32	0.69	3.5	40	507%	26	18	91
Brodie Quantum (Yellow, Betsy)	Friends	42/34/22	11-32	0.69	3.8	41	551%	26	18	99
Custom		48/38/28	11-42	0.67	4.4	51	657%	27	18	119
Custom 9.32		42/32/22	11-32	0.69	3.8	41	551%	27	19	103
Custom 8.32 (Brodie)		42/32/22	11-32	0.69	3.8	41	551%	27	19	103
Specialized Diverge (low front, rear)		46/30	11-42	0.71	4.2	47	592%	27	19	113
Trek 520 Large Size		48/36/26	11-36	0.72	4.4	47	611%	27	19	119
Specialized Diverge (Maria)	Friends	48/32	11-42	0.76	4.4	47	579%	27	21	119
Devinci Stockholm (Steve)	Friends	48/36/26	11-34	0.76	4.4	45	579%	27	21	119
Surly Disk Trucker 2021		48/36/26	11-34	0.76	4.4	45	579%	27	21	119
Custom		48/38/28	11-36	0.78	4.4	45	564%	27	21	119
Moulton (Jacques B)	Friends	56/44/34	11-27	1.26	5.1	38	405%	16.79	21	86
Trek Domane SL5 (Maria)	Friends	50/34	11-42	0.81	4.5	47	556%	27	22	122
Miyata 1000 (Sugino, 8sp	Friends	50/40/28	11-34	0.82	4.5	45	549%	27	22	122
Opus Legato (Betsy)	Friends	48/38/28	11-34	0.82	4.4	43	537%	27	22	119
Surly LHT		50/39/30	11-36	0.83	4.5	45	542%	27	22	122
Brodie Elan with 36 tooth cassette		46/30	11-36	0.83	4.2	41	506%	27	22	113
Rocky Mountain 1993 Original	Friends	48/38/28	12-32	0.88	4.0	40	455%	26	23	104
Brodie Roam 2020		46/30	11-34	0.88	4.2	39	477%	27	24	113
Brodie Elan (Standard) 2021		46/30	11-34	0.88	4.2	39	477%	27	24	113
Specialized Diverge Sport (Steve)	Friends	46/30	11-34	0.88	4.2	39	477%	27	24	113
Moulton Speed (17" wheels)		58/44	10-30	1.47	5.8	34	395%	17	25	99
Miyata 1000 5 sp Original (Robin)	Friends	50/40/28	14-30	0.93	3.6	38	387%	27	25	97
Specialized Women's Comp	Friends	48/32	11-34	0.94	4.4	39	468%	27	25	119
Giant Toughroad SLR GX1		48/32	11-34	0.94	4.4	39	468%	27	25	119
Rocky Mountain Solo		40	11-42	0.95	3.6	31	379%	27	26	97
Diverge 2022 Audrey	Friends, Audrey	50/34	11-34	1.00	4.5	39	450%	27	27	122
Custom Wolf		52/38	14-38	1.00	3.7	38	370%	27	27	100
Brodie Romulus		50/34	11-34	1.00	4.5	39	450%	27	27	122
Trek 1.5 - Shimano 105 (BillM)		50/34	11-32	1.06	4.5	37	425%	27	29	122
Green Holdsworth (Steve)	Friends	50/32	14-30	1.07	3.6	34	336%	27	29	97
SRAM Force 1 Setup		48	10-42	1.14	4.8	32	421%	27	31	130
Blue Norco (Robin	Friends	52/40	13-34	1.18	4.0	33	339%	27	32	108
Chris K Folding bike		58	12-34	1.71	4.8	22	281%	20	34	96
Norco Road Original		52/40	14-26	1.54	3.7	24	240%	27	42	100
Brompton 6HR (has internal hub)		50	16	3.13	3.1	null	99%	16	50	50

Total: 43