Bicycle gearing
Gearing range
The gearing range indicates the difference between bottom gear and top gear, and provides some measure of the range of conditions (high speed versus steep hills) with which the gears can cope; the strength, experience, and fitness level of the cyclist are also significant.

Bicycle gearing

Section Title: Gearing range
Table Section Text: The gearing range indicates the difference between bottom gear and top gear, and provides some measure of the range of conditions (high speed versus steep hills) with which the gears can cope; the strength, experience, and fitness level of the cyclist are also significant.

range	transmission	usable gears	mean step

180%	3-speed hub gears	3	34.2%

250%	5-speed hub gears	5	25.7%

300%	7-speed hub gears	7	20.1%

307%	8-speed hub gears	8	17.4%

327%	typical 1 chainring derailleur setup (1x10, 11-36)	10	14.1%

327%	road 1 chainring derailleur setup (1x11, 11-36)	11	12.6%

380%	NuVinci continuously variable transmission	continuous	none

409%	11-speed hub gears	11	15.1%

420%	mountain 1 chainring derailleur setup (1x11, 10-42)	11	15.4%

428%	road 2 chainring derailleur setup (2x10, 50-34 x 11-32)	13	12.9%

441%	road 3 chainring derailleur setup (3x10, 52/39/30 x 11-28)	15	11.2%

500%	extreme 1 chainring derailleur setup (1x12, 10-50)	12	15.8%

518%	mountain 2 chainring derailleur setup (2x10, 38-24 x 11-36)	14	13.5%

526%	Rohloff Speedhub 14-speed hub gear	14	13.6%

630%	Mountain 2x11 derailleur setup (24/36 x 10-42)	14	15.2%

636%	18-speed bottom bracket gearbox	18	11.5%

655%	mountain 3 chainring derailleur setup (3x10, 44-33-22 x 11-36)	16	13.3%

698%	touring 3 chainring derailleur setup (3x10, 48-34-20 x 11-32)	15	14.9%

Sentence(s)

An 18 speed gearbox has 636% range.

final_sentence: An 18 speed gearbox has 636% range.