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2. Hub gear - Wikipedia

   en.wikipedia.org/wiki/Hub_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 ...

3. Bicycle gearing - Wikipedia

   en.wikipedia.org/wiki/Bicycle_gearing

   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. On some bicycles there is only one gear and, therefore, the gear ratio is fixed, but most modern bicycles have multiple ...

4. Rohloff Speedhub - Wikipedia

   en.wikipedia.org/wiki/Rohloff_Speedhub

   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 overall gear range is 526%, meaning the highest ...

5. Three-speed bicycle - Wikipedia

   en.wikipedia.org/wiki/Three-speed_bicycle

   Three-speed bicycle. The three-speed bicycle is a bicycle that uses internal hub gears at the rear wheel hub to provide three gear ratios. Three-speed hubs have been in use since the early 1900s. Though they are heavier than comparable derailleur systems, internal-gear hub systems generally last longer and require less maintenance.

6. Bicycle drivetrain systems - Wikipedia

   en.wikipedia.org/wiki/Bicycle_drivetrain_systems

   A chain drive and rear derailleur gear change, the most popular system in use today A shaft-drive with crankset and rear gear hub. Bicycle drivetrain systems are used to transmit power on bicycles, tricycles, quadracycles, unicycles, or other human-powered vehicles from the riders to the drive wheels.

7. Comparison of hub gears - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_hub_gears

   428% [7] 160 Nm [7] 1200g raw cartridge, 1750g total system weight including SWAP and Hyseq Onesie [7] eMTB, heavy cargo, commuter. Rohloff AG. Speedhub 500/14.