All the comfort and versatility of the standard 5.5.9 with the added spark of the latest in electric assist systems from industry leader Bosch. The result is a 5.5.9 with the perfect combination of maximum efficiency, comfort and riding enjoyment. The efficient and versatile Active Line Plus electric-assist drive mated to a 1 x 11 drivetrain (11 - 42 cassette / 44 tooth chainring) provides dynamic performance – guaranteeing an authentic riding sensation with minimal pedaling resistance. It delivers active and sporty acceleration even at low cadences, offering powerful assistance as soon as you step on the pedals. In addition, the system's multi-sensor technology and fast information processing ensure optimum interaction between you and your eCAT.
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