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2. Hub dynamo - Wikipedia

   en.wikipedia.org/wiki/Hub_dynamo

   Bicycle dynamos instead use permanent magnets to eliminate the need for a battery to excite the field and initiate electrical generation. Shimano offers a variety of hub dynamos under the "Nexus" brand, such as the DH-3N70/DH-3N71, advertised as having significantly less drag than the Nexus NX-30. SRAM manufactured the i-Light hub dynamo until ...

3. Kronan (company) - Wikipedia

   en.wikipedia.org/wiki/Kronan_(company)

   New models have been added with 3-speed SRAM hub gears and drum brakes. Other variants include a child's bike (Kiddo), a traditionally-styled bike (Kranny) and a tricycle (Kargo). All these bikes have a bottle dynamo front light (the rear is operated by a battery) and panniers as standard.

4. Bicycle drivetrain systems - Wikipedia

   en.wikipedia.org/wiki/Bicycle_drivetrain_systems

   In 1994, Steve Christini and Mike Dunn introduced a two-wheel drive option. [12] Their AWD system, aimed at mountain bikers, comprises an adapted differential that sends power to the front wheel once the rear begins to slip. In the late 1990s, 2WD 'Dual Power' mountain bikes were sold in Germany under the Subaru name. They used one belt to ...

5. Electronic gear-shifting system - Wikipedia

   en.wikipedia.org/wiki/Electronic_gear-shifting...

   The switches send signals through a wiring harness to a battery pack, placed near the bottom bracket. The rechargeable lithium-ion battery pack supplies power to the derailleur motors, which move the derailleurs via worm gears. Shimano estimates that their 7.4-volt battery pack can last up to 1,000 kilometres (620 mi) per charge. [14]

6. Triumph Scrambler - Wikipedia

   en.wikipedia.org/wiki/Triumph_Scrambler

   The Scrambler was designed as a Bonneville with off-road styling and limited off-road capability. The TR6C Trophy Special was the major influence on the new Scrambler, and the new bike shared the same key features – most obviously including the high level stacked twin exhausts and crossover exhaust headers, though Triumph had to swap sides (from left to right) with the stacked pipes because ...

7. SRAM Corporation - Wikipedia

   en.wikipedia.org/wiki/SRAM_Corporation

   In 2007, SRAM acquired the bicycle component company Zipp. [12] In 2008, SRAM introduced a new road groupset, SRAM RED. SRAM acquired power meter crank manufacturer Quarq in 2011. By 2012, SRAM had incorporated power meters into its high-end RED road group. [13] Also in 2012, SRAM introduced wide range 1x11 mountain bike shifting with its XX1 ...