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Brand Model Introduced Discontinued Speeds (external) Gear width (with external) Ebike Max Power Max Torque Direct Drive Weight (excluding auxiliary components)
The 14-speed Rohloff Speedhub hub gear, introduced in 1998, has a range exceeding 5 to 1, and is thus comparable in range to 24, 27 and 30-speed derailleur systems (with 3×8, 3×9 and 3×10 cogs front and rear), since the latter have three overlapping ranges often with only about 14 distinct gears. As there is no overlap with the Speedhub, the ...
Hub gear: a gearbox mounted inside the hub, 3-speed is common, 5, 7 are available ("Sturmey-Archer"), Enviolo makes a CVT, and Rohloff makes a 14-speed hub. Cable operated by one or two cables; Indicator: a turn signal; Inner tube: a bladder that contains air to inflate a tire. Has a Schrader, "Woods"/"Dunlop" or Presta valve for inflation and ...
The Rohloff Speedhub 500/14 is the only bicycle hub with 14 gears, which can replace a regular chain derailleur system regarding level of friction and range of transmission. Rohloff AG also used to make an automatic chain lubrication system called Lubmatic, and cycle tools such as a chain riveting tool and a chain measurement tool.
Brown maintained Sheldon Brown's Bicycle Technical Info, a web site highlighting a broad range of cycling subjects ranging from how to fix a bicycle flat tire to details on Raleigh and English three-speed bicycles, [9] Sturmey-Archer hubs, [10] tandems, [11] and fixed-gear bicycles. [12] He repaired cameras and was an amateur photographer.
“The world is moving to build out a new infrastructure of energy, land use, chips, data centers, data, AI models, and AI systems for the 21st century economy,” the post said.
Menopause is one risk factor for osteoarthritis. One recent study in mice uncovered that menopause led to a drop in 17beta-estradiol and progesterone, which increased cartilage aging, degeneration ...
Members of the family who own OxyContin maker Purdue Pharma, and the company itself, agreed to pay up to $7.4 billion in a new settlement to lawsuits over the toll of the powerful prescription ...