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2. Electronic gear-shifting system - Wikipedia

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

   Electronic front derailleur (Shimano Di2) An electronic gear-shifting system is a method of changing gears on a bicycle, which enables riders to shift with electronic switches instead of using conventional control levers and mechanical cables.

3. Shifter (bicycle part) - Wikipedia

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

   In 1990, Shimano introduced their Shimano Total Integration, STI, shifting levers for road bicycles, this was an indexed shifting system and the first to integrate shifting with the brake levers. Campagnolo soon followed with their ErgoPower system.

4. 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.

5. Derailleur - Wikipedia

   en.wikipedia.org/wiki/Derailleur

   The rear derailleur has two functions: it moves the chain between rear sprockets while taking up chain slack caused by moving to a smaller sprocket at the rear or a smaller chainring by the front derailleur. In order to accomplish this second task, it is positioned in the path of the bottom, slack portion of chain. Sometimes the rear ...

6. 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)

7. Some added sugar sources are worse than others for disease ...

   www.aol.com/added-sugar-sources-worse-others...

   They did adjust for other factors that might also influence the association, including age, sex, alcohol, smoking, exercise level and body mass index, or BMI, she added.

8. 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.

9. She was a teenage mother in Detroit. Now she’s a Ghanaian ‘Queen’

   www.aol.com/news/she-teenage-mother-detroit-now...

   Kennedy Johnson was a teenager when she gave birth to a baby girl in a Detroit foster home. Then, on a visit to Ghana, she was chosen to become “Friendship Queen.”