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2. Bicycle performance - Wikipedia

   en.wikipedia.org/wiki/Bicycle_performance

   From a mechanical viewpoint, up to 99% of the mechanical energy delivered by the rider into the pedals is transmitted to the wheels (clean, lubricated new chain at 400 W), although the use of gearing mechanisms reduces this by 1–7% (clean, well-lubricated derailleurs and a straight chainline), 4–12% (chain with 3-speed hubs), or 10–20% (shaft drive with 3-speed hubs).

3. 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.

4. Glossary of cycling - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_cycling

   27.5 Mountain bike A mountain bike with wheels that are approximately 27.5 inches (700 mm) in diameter and are based on ISO 584 mm (650B) rims. 29er (bicycle) A mountain bike with wheels that are approximately 29 inches (740 mm) in diameter and are based on ISO 622 mm (700C) rims. [1] [2] 3:1 rule

5. Downhill bike - Wikipedia

   en.wikipedia.org/wiki/Downhill_bike

   A Giant Faith 2 downhill mountain bike with 6.5 inches of travel in the front and 8 inches in the rear. Racing a downhill bike at Horseshoe Valley In Ontario. A downhill bike (also known as a downhill mountain bike) is a full suspension bicycle designed for downhill cycling on particularly steep, technical trails.

6. Cycling - Wikipedia

   en.wikipedia.org/wiki/Cycling

   European city bike Children riding a bike in Ghana. Cycling, [1] also known as bicycling [2] or biking, [3] is the activity of riding a bicycle or other type of cycle. It encompasses the use of human-powered vehicles such as balance bikes, unicycles, tricycles, and quadricycles.

7. John M. Barth - Pay Pals - The Huffington Post

   data.huffingtonpost.com/paypals/john-m-barth

   From January 2008 to December 2008, if you bought shares in companies when John M. Barth joined the board, and sold them when he left, you would have a -49.7 percent return on your investment, compared to a -38.5 percent return from the S&P 500.