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The development of the design concept Xx, an intuitive, single-hand controled integrated brake/shift levers (3x9) takes into account lower manufacturing costs while high-quality product appearance.
Target group: trekkingbike segment, rather feminin, quality-conscious, sportive.
Shifting principle: Return to Center shifter, thumb operation (easier gears), forefinger operation (harder gears).
9 gears: single shifter (right part).
3 gears: combine shifter (complete).
small / big lever for small / big changes.
Display follows the hand- and shifter motion.
New braking system with parallel lever guiding
Professor Wolfgang Schabbach
Sabine Fleischmann Johannes Tsopanides