. Composite body and levers . Ultra-Shift geometry - ergonomic brake lever with high fulcrum - closer brake lever - brake opening control integrated with the brake lever - insert for large hands - . No-Bulge housing path . Minimum friction housings . Front derailleur micro-adjustment possibility - multiple shifting . Vari-Cushion Hood: made of non-allergenic elastic material, with variable cushioning that provides the maximum comfort and safety even after many hours on the bike. Thanks to a special treatment, it is resistant to UV rays and maintains its original colours without fading . Ultra-shift Ergonomics: ensures a firm grip on the handlebars and fast, precise control of the levers. The special ergonomic design makes it possible to assume three different hand positions on the levers compared to the two traditional ones . Double curvature brake lever: allows you to engage and modulate the brake safely from any hand position . Exclusive ultra-shift mechanism: 3-sprocket upshifting, and 5-sprocket downshifting in one single stroke . Insert for large hands: greater safety and comfort for cyclists with large hands . Bearing mechanism: longer life - operating precision *Note: These levers are only compatible with 2016 derailleurs