- upper to lower pulley-axle: 55 mm
- composite outer plate
- parallelogram with 11s geometry
- black anodized forged aluminium upper and lower body
- metal-carbon cage
- lightened special rubber pulleys
- pulley movement with ceramic ball bushings
- 11 speed compatible
- 11/23 to 12/29 cassette compatible
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Ultra-Shift™ aluminum lower and upper body |
Less weight, less friction, shifting precision |
|
Ceramic ball bearings |
Friction reduction, maximum smoothness, maximum durability |
|
Ultra-Shift™ exclusive geometry parallelogram |
Maximum derailleur stiffness, fast shifting, precision, reduction of possible play |
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