Tray 42T

Cassette crown First Components 42 dents . 1x10.7075 CNC black aluminum. Weight: 80gr.For conversion of 2x10 or 3x10 transmissions to 1x10. Compatible only with cassettes with removable crowns and 10 speed cores. 15 or 17 crown of your cassette must be removed to preserve the good gear. Extremely light (80gr) thanks to its machining with a 12 branches system. Specific machining to correctly position the rest of the cassette on the crown. Complete the transmission system with the plate Ref.41603. Includes a longer shift adjustment screw for correct installation and operation (M4 x 25 mm).Lighten your bike, eliminate cables, derailleur and drivetrain, switch to single chainring!