Campagnolo Chorus 12 Speed Cassettes Stock Item:Campagnolo Chorus 12 Speed Cassette 11 - 34 Tooth Silver - Only Fits RD20-CH sharing a primary battery charging

sharing a primary battery charging from the rear derailleur

Optimal neck brace compatibility

Clear Silicone Lid and Slotted Lid

Fast wicking Lycra gives great muscle support

IGUS Bushing

Campagnolo Chorus 12 Speed Cassettes Stock Item:Campagnolo Chorus 12 Speed Cassette 11 - 34 Tooth Silver - Only Fits RD20-CH sharing a primary battery chargingCAMPAGNOLO CHORUS 12 SPEED CASSETTES The new Chorus groupset is fully compatible with the cassettes launched with the Super Record and Record 2x12 speed groupsets (11 29 and 11 32) and it introduces a new cassette specification (11 34) that will benefit the entire range of 12 speed mechanical drivetrains from now on. The new 11 34 cassette in fact offers cyclists even more versatility and greater choice and autonomy in terms of available gears.