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The Rohloff Speedhub is an epicyclic internal hub gear for bicycles, developed and patented by Rohloff AG. It has been manufactured and marketed by that company since 1998. [ 1 ] The Speedhub 500/14 has 14 equally spaced, sequential, non-overlapping gear ratios operated by a single twistgrip .
The Rohloff Speedhub 500/14 is the only bicycle hub with 14 gears, which can replace a regular chain derailleur system regarding level of friction and range of transmission. Rohloff AG also used to make an automatic chain lubrication system called Lubmatic, and cycle tools such as a chain riveting tool and a chain measurement tool.
This page is a list of internal hub gears for bicycles. Brand ... Rohloff AG: Speedhub 500/14: 1998 14 526% 130 Nm ... Nexus 4 Speed 4 184% 1st gear
The 14-speed Rohloff Speedhub hub gear, introduced in 1998, has a range exceeding 5 to 1, and is thus comparable in range to 24, 27 and 30-speed derailleur systems (with 3×8, 3×9 and 3×10 cogs front and rear), since the latter have three overlapping ranges often with only about 14 distinct gears. As there is no overlap with the Speedhub, the ...
The overlapping ranges with derailleur gears mean that 24 or 27 speed derailleur gears may only have the same total gear range as a (much more expensive) Rohloff 14-speed hub gear. Internal hub geared bikes typically have a more restricted gear range than comparable derailleur-equipped bikes, and have fewer ratios within that range.
Bernhard Felix Rohloff (21 February 1950 – 19 May 2023) was a German businessman who was the founder of Rohloff AG, [1] and the inventor of several innovative products, amongst others, the 14 speed Rohloff Speedhub 500/14 planetary gear hub. [2] Rohloff studied machine engineering at Olympia while working part-time at Henschel und Thyssen, a ...
This range is somewhat less than the 526% range found on bicycles with a Rohloff 14-speed hub gear or most mountain/hybrid/touring bicycles with triple chainrings. By conventional standards, a NuVinci bicycle hub is considered heavy.
In particular, the Rohloff 14-speed hub with a gear range of over 500% has been used on at least two around-the world bicycle tours. Internal-geared hubs have a couple of advantages over traditional derailleur gears, in that they can use stronger chains [citation needed] as generally a single sprocket and chainring combination will be used ...
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