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The development of the design concept XI, 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, unisex, quality-conscious, prestige oriented.
Shifting principle: Return to Center twist shifter.
9 gears: simple rotation (twist).
3 gears: diagonal motion with light pressure to the handlebar middle (press+twist).
Display analogous to the shifting direction.
New braking system with parallel lever guiding, optimized finger and Bowden cable paths through non-linear brake force ratio.
Professor Wolfgang Schabbach
Johannes Tsopanides Sabine Fleischmann