gear chain
81Crankset — A Shimano Deore right crankset, showing crank arm, spider, three chainrings and chainring guard …
82Shaft-driven bicycle — A shaft driven bicycle is a chainless bicycle that uses a driveshaft instead of a chain to transmit power from the pedals to the wheel. Shaft drives were introduced over a century ago, but were mostly supplanted by chain driven bicycles due to… …
83Cogset — A freehub (above) for use with a cassette and a threaded hub (below) for use with a freewheel. On a bicycle, the cogset or cluster[1] is the set of multiple rear sprockets that attaches to the hub on the rear wheel. A cogset works with a rear… …
84List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …
85Duel Masters Trading Card Game — Designer(s) Mike Elliott, Charlie Catano, and Tyler Bielman Publisher(s) Wizards of the Coast Players 2 or 4 Age range 10+ Playing time Approx 20 min Random cha …
86Rohloff Speedhub — The Rohloff SPEEDHUB 500/14 is a 14 speed epicyclic internal hub gear for bicycles. It has 14 equally spaced sequential gears operated by one twistgrip with no overlapping ratios. The gear range is wider than that of 27 speed derailleur systems.… …
87Inventions in medieval Islam — A significant number of inventions were developed in the medieval Islamic world, a geopolitical region that has at various times extended from Al Andalus and Africa in the west to the Indian subcontinent and Malay Archipelago in the east.… …
88Ea gia — Air Gear Air Gear エア・ギア (Ea Gia) Type Shōnen Genre Nekketsu (action, sport), pantsu, comédie, romance Manga Auteur Oh! great Éditeur …
89Su Song — 蘇頌 (Sū Sòng) Born 1020 near Quanzhou Died 1101 (aged 80–81) Nationality Chinese …
90Timing belt — For other belts, see Belt (disambiguation). Timing belt Timi …
