Two chains link the Shimano Nexus internal eight-speed trans to the pedals and rear wheel.
Internal transmissions aren't a new idea in bikes--witness the old Raleigh three-speed--but GT Bicycles is making a mark by using a new Shimano eight-speed ...
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Internal transmissions aren't a new idea in bikes--witness the old Raleigh three-speed--but GT Bicycles is making a mark by using a new Shimano eight-speed ...
More Information