Campagnolo Super Record 11 Speed Rear Derailleur Speed, precision, smoothness & better looks: the first rear derailleur with carbon fibre upper & lower body will amaze even the most demanding of cyclists. Lower & upper bodies, outer plate, parallelogram: all carbon-made components. The white '11' on the red rectangle printed on the carbon fiber gives the Super Record more aggressive & unique style. Upper to lower pulley-axle: 55 mm Composite outer plate Titanium hanger & pivot bolt Parallelogram with 11s geometry Carbon fiber forged aluminium upper & lower body Metal-carbon cage Lightened special rubber pulleys Bottom pulley with ceramic bearings Weight: 155g