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Shimano 105 9-speed STI levers. In 2003, Shimano introduced "dual-control levers" or STI for mountain bikes in their XTR groupset. Like the road shifters, XTR used the same lever for braking and shifting. This was met with some resistance as they limited the choice of disc brakes to only those made by Shimano.
The first commercially successful electronic gear shift system for road bicycles was introduced by Shimano in 2009, the Di2. [3] Three professional teams used the Di2 in the 2009 Tour of California: Columbia High Road, Garmin Slipstream, and Rabobank; [3] and several teams and riders, including George Hincapie, used it during the 2009 Tour de ...
Road bike shifter - integrated with brake levers, sometimes known as a "brifter". [ 2 ] In 1990, Shimano introduced their Shimano Total Integration , STI, shifting levers for road bicycles, this was an indexed shifting system and the first to integrate shifting with the brake levers.
A 12-speed mechanical 105 group is very noteworthy. 105 is a popular specification on many mid-range drop bar racing, road, all-road, gravel, and cyclocross bikes. 105 is perhaps the most popular ...
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 snowboarding gear until 2008.
Manufacturers typically offer a range of several groupsets, each targeted at a different budget or use. For instance, Dura-Ace, Super Record and Red are the top-of-the-line road racing groupsets for Shimano, Campagnolo and SRAM respectively while Claris, Veloce and Apex are their entry level road racing group sets, respectively.
Shimano Alfine SG-500 2006 2016 (?) [15] 8 307% 1600 g City Shimano Nexus Inter-8: 8 307% 5th gear 1550-2040 g City Shimano Nexus Inter-7: 1995 7 244% 1465-1860 g City Shimano Nexus Inter-5E 2019 5 263% 60 Nm 1st gear 1650 g e-bike Shimano Nexus 4 Speed 4 184% 1st gear City Shimano Nexus Inter-3: 3 187% 2nd gear 1220 g City SRAM Spectro E12 (Elan)
The individual sprockets on a Hyperglide cassette or freewheel are designed specifically to work with their neighbours. [3] For example, the 18-tooth sprocket on a wide-range cassette (such as one for a mountain bike) will have a different ramp pattern than the 18-tooth sprocket on a narrow-range cassette, because the number of teeth on the neighbouring sprocket requires a different ramp ...