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Finally, the entire 7970 groupset weighs approximately 113 grams (4.0 oz) less than the 7800 it replaces but 68 grams (2.4 oz) more than the new 7900. [17] In 2011 Shimano introduced the Ultegra Di2 [18] electronic gear change set, a cheaper version of the electronic Dura-Ace system. This set seemed to provide an electronic option within reach ...
2 brakes, front and rear; 2 derailleurs, front and rear; 1 bottom bracket; 1 crankset; 1 chain; 1 cogset, freewheel or cassette; With the following forming part of some groupsets: 1 headset (more commonly included with vintage groupsets) 1 seatpost; 2 hubs, front and rear (although, most manufacturers now offer groupset-branded pre-built wheels ...
Shimano, Inc. (株式会社シマノ, Kabushiki-gaisha Shimano), originally Shimano Iron Works (島野鐵工所) and later Shimano Industries, Inc. (島野工業株式会社), is a Japanese multinational manufacturing company for cycling components, fishing tackle and rowing equipment, which also produced golf supplies until 2005 and ...
Shimano STI Dual Control shifter and brake lever: 1. Main lever 2. Release lever A. Pulling the main lever towards the rider applies the brake B. Pushing the main lever towards the center of the bike downshifts one, two or three gears depending on how far the lever is pushed (right hand shifter) or changes from a small chainring to a larger chainring (left hand shifter)
Inter 5 - Apparently in 2012 Shimano has started making Nexus Inter 5 hubs. A forum discussion [6] contains a link to one [7] of two [8] parts lists at Shimano. Range reportedly 0.75 to 1.545 for a total range of 206%. A glance on the Web confirms: Pricing seems to be near Inter 3, availability in the US seems limited.
Deore XT is a mountain and touring bike groupset first introduced by Shimano in 1983. [1] It was Shimano's first mountain bike groupset, based on their existing Deore touring groupset, and it consisted of a triple-, double- or single chainring crankset, front and rear derailleurs, handlebar-mounted "finger" shifters, cantilever brakes, and large-flange hubs. [1]
In effect, the formula reduces the legal weight limit for shorter trucks with fewer axles (see table below). For example, a 25-foot (7.6 m) three-axle dump truck would have a gross weight limit of 54,500 pounds (24,700 kg), instead of 80,000 pounds (36,000 kg), which is the standard weight limit for 63-foot (19.2 m) five-axle tractor-trailer. [1]
The internal mechanical design of the gear hub was based on that of the Shimano Nexus Inter 8, with two stepped planetary series, 5th gear being 1:1 direct drive, [3] thus offering 8 speeds with percent intervals of 22,16,14,18,22,16,14, and an overall gear range of 307%, yet in a more attractive design than the Nexus, with better seals ...