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A downhill bike (also known as a downhill mountain bike) is a full suspension bicycle designed for downhill cycling on particularly steep, technical trails. Unlike a typical mountain bike, durability and stability are the most important design features, compared to lighter, more versatile cross-country bikes.
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.
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).
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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
These bikes were priced between $150 and $350, filling in the open entry level price gap that their Mosh labeled high-end bikes could not. Giant made bikes using the Mosh name until 2003 when it switched to labeling all high end stunt specific parts as Mosh parts. The parts were sold separately as well as on Giant labeled BMX bikes. [9]
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