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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...

    In 2001 Shimano introduced a set of trekking components called Di2 (Digital Integrated Intelligence), which included electronic shifting and automatic adaption of front and rear derailleur to riding speed. During the 2000s both Shimano and Campagnolo (2005) [6] experimented with electronic shifting in professional cycle races. [3]

  4. Comparison of digital SLRs - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_digital_SLRs

    10 3 yes yes CF+SD: 156x157x80 1180 Oct 2009: Canon: 5D Mark III: Full frame: 22.3 EF: 100 63 61 50 102400 6 3.2 yes yes CF+SD: 152x117x77 950 (860 without battery) Mar 2012: Archived 2015-11-03 at the Wayback Machine: Canon: 5D Mark II: Full frame: 21.1 EF: 98 35 9 50 25600 3.9 3 yes yes CF: 152x114x75 810 Sep 2008: Canon: 6D: Full frame: 20.2 ...

  5. 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.

  6. Bicycle gearing - Wikipedia

    en.wikipedia.org/wiki/Bicycle_gearing

    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.

  7. Sedona (company) - Wikipedia

    en.wikipedia.org/wiki/Sedona_(company)

    Sedona is a Turkish bicycle manufacturer [1] that produces many types of bike known for its road, racing, mountain bikes and single speed bikes. The company was founded 1981 in Istanbul as Aslı Bisiklet and then in 2005, first Sedona brand produced.

  8. 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 ...

  9. 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)