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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 .
1200g raw cartridge, 1750g total system weight including SWAP and Hyseq Onesie [7] eMTB, heavy cargo, commuter Rohloff AG: Speedhub 500/14: 1998 14 526% 130 Nm 11th gear 1700-1825 g [8] Sport/Touring/ Cargo/Tandem Shimano Alfine Di2 SG-S7001-11 (SG-S7051-11) 2018 [9] 11 409% ~5th gear (0.995 ratio) 1665 g [10] City, Sport, Touring Shimano
At the 1996 IFMA in Cologne, Rohloff announced a 14-speed gear hub with a weight of 1700 grams. At the time, the gear hub with the greatest number of speeds was the unreliable 3700 gram 12 speed Sachs Elan (discontinued by 2000), made by the hub-gear manufacturer
A hub gear, [1] internal-gear hub, [2] internally geared hub [3] or just gear hub [4] is a gear ratio changing system commonly used on bicycles that is implemented with planetary or epicyclic gears. The gears and lubricants are sealed within the shell of the hub gear, in contrast with derailleur gears where the gears and mechanism are exposed ...
Compared to their main competitor Rohloff who makes hub gears with 6 planetary series, Kindernay uses 3, which they claim simplifies the design and reduces weight. Kindernay claims to have patented the important innovations of their system, and that they have patents that last until 2032. [ 8 ]
The bike has always offered standard rear dropout spacing, which allows a wide range of gearing options and disc brakes. Standard options currently include: 8-speed hub gear, 8-speed dérailleur, 24-speed SRAM Dual Drive hybrid gearing system, and the Rohloff Speedhub 14-speed hub gear. The more expensive models are now fitted with disc brakes.
The 3.6 kg (8 lb) NuVinci rear hub. Comparatively, the newer NuVinci hubs from around 2010 [citation needed] weighs 2.4 kg (5.4 lb) The NuVinci CVT may be applicable to many different products using a mechanical power transmission. The only application currently commercialized is the internally geared bicycle hub.
A Rohloff Speedhub hub gear A Shimano XT rear derailleur on a mountain bike A bicycle gearbox with chain tensioner. Bicycle gearing is the aspect of a bicycle drivetrain that determines the relation between the cadence, the rate at which the rider pedals, and the rate at which the drive wheel turns.
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