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  2. Comparison of hub gears - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_hub_gears

    Shimano Alfine SG-500 2006 2016 (?) [15] 8 307% 1600 g City Shimano Nexus Inter-8: 8 307% 5th gear 1550-2040 g City Shimano Nexus Inter-7: 1995 7 244% 1465-1860 g City Shimano Nexus Inter-5E 2019 5 263% 60 Nm 1st gear 1650 g e-bike Shimano Nexus 4 Speed 4 184% 1st gear City Shimano Nexus Inter-3: 3 187% 2nd gear 1220 g City SRAM Spectro E12 (Elan)

  3. Electronic gear-shifting system - Wikipedia

    en.wikipedia.org/wiki/Electronic_gear-shifting...

    As of 2009, one system was commercially available from a major parts manufacturer: Shimano's Di2 (Dura-Ace 7970) for road bicycles. While the traditional method of gear shifting uses mechanical control levers that pull and release Bowden cables and spring-loaded derailleurs, Di2 is controlled by electronic switches located either in the ...

  4. Shimano - Wikipedia

    en.wikipedia.org/wiki/Shimano

    Shimano, Inc. (株式会社シマノ, Kabushiki-gaisha Shimano), originally Shimano Iron Works (島野鐵工所) and later Shimano Industries, Inc. (島野工業株式会社), is a Japanese multinational manufacturing company for cycling components, fishing tackle and rowing equipment, which also produced golf supplies until 2005 and snowboarding gear until 2008.

  5. Shimano Nexus - Wikipedia

    en.wikipedia.org/wiki/Shimano_Nexus

    It has been discontinued and spare parts have become hard to source. Inter 5 - Apparently in 2012 Shimano has started making Nexus Inter 5 hubs. A forum discussion [6] contains a link to one [7] of two [8] parts lists at Shimano. Range reportedly 0.75 to 1.545 for a total range of 206%.

  6. Hyperglide - Wikipedia

    en.wikipedia.org/wiki/Hyperglide

    The individual sprockets on a Hyperglide cassette or freewheel are designed specifically to work with their neighbours. [3] For example, the 18-tooth sprocket on a wide-range cassette (such as one for a mountain bike) will have a different ramp pattern than the 18-tooth sprocket on a narrow-range cassette, because the number of teeth on the neighbouring sprocket requires a different ramp ...

  7. Shimano Total Integration - Wikipedia

    en.wikipedia.org/wiki/Shimano_Total_Integration

    Shimano STI Dual Control shifter and brake lever: 1. Main lever 2. Release lever A. Pulling the main lever towards the rider applies the brake B. Pushing the main lever towards the center of the bike downshifts one, two or three gears depending on how far the lever is pushed (right hand shifter) or changes from a small chainring to a larger chainring (left hand shifter)

  8. Derailleur - Wikipedia

    en.wikipedia.org/wiki/Derailleur

    Shimano XT front derailleur (top pull, bottom swing, triple cage) Shimano E-type front derailleur (top pull, top swing, triple cage) SRAM Red Black Edition front derailleur with clamp-band. The front derailleur only has to move the chain side to side between the front chainrings, but it has to do this with the top, taut portion of the chain.

  9. Shifter (bicycle part) - Wikipedia

    en.wikipedia.org/wiki/Shifter_(bicycle_part)

    A twist-style 14-speed indexed shifter made by Rohloff. A bicycle shifter or gear control or gear levers is a component used to control the gearing mechanisms and select the desired gear ratio.