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10-speed bicycle cassette. On a bicycle, the cassette or cluster [1] is the set of multiple sprockets that attaches to the hub on the rear wheel.A cogset works with a rear derailleur to provide multiple gear ratios to the rider.
A step of 7% corresponds to a 1-tooth change from a 14-tooth sprocket to a 15-tooth sprocket, while a step of 15% corresponds to a 2-tooth change from a 13-tooth sprocket to a 15-tooth sprocket. By contrast, car engines deliver power over a much larger range of speeds than cyclists' legs do, so relative differences of 30% or more are common for ...
Depending on use and cleaning, a chain can last only 1,000 kilometres (600 miles) (e.g. in cross-country use, or all-weather use), 3,000 to 5,000 km (2,000 to 3,000 mi) for well-maintained derailleur chains, or more than 6,000 kilometres (4,000 mi) for perfectly groomed high-quality chains, single-gear, or hub-gear chains with a full cover ...
English: This chart shows the nominal price of gold along with the price in 1971 and 2011 dollars (adjusted based on the consumer price index). The historical gold price was obtained from www.igolder.com; CPI was obtained from www.rateinflation.com. The data is in section Chart Data.
This list is based on the Forbes Global 2000, which ranks the world's 2,000 largest publicly traded companies.The Forbes list takes into account a multitude of factors, including the revenue, net profit, total assets and market value of each company; each factor is given a weighted rank in terms of importance when considering the overall ranking.
On 8 March 2020, Saudi Arabia initiated a price war on oil with Russia, which facilitated a 65% quarterly fall in the price of oil. [1] The price war was triggered by a break-up in dialogue between the Organization of the Petroleum Exporting Countries (OPEC) and Russia over proposed oil-production cuts in the midst of the COVID-19 pandemic. [1]
The wreck was reburied in situ and a 2008 re-excavation confirmed the interpretation as a cog. It was around 16 m long and its wood dated from 1339. The discovery by Modderman was however not well known in the literature. [26] The most famous cog in existence today is the Bremen cog. The artifact originates from the 1380s and was discovered in ...
When acting as such, the Saudi government would increase or decrease oil production to maintain a more stable price. [7] Saudi Arabia produced 10.3 million barrels per day (1.6 × 10 ^ 6 m 3 /d) (Mbbl/d) in 1980, 10.6 Mbbl/d in 2006, [8] and in the region of 9.2 Mbbl/d in 2008. [9]