SRAM RED XG-1290 Cassette - 12-Speed 10-30t For XDR Driver Body Silver E1 2.25 The Dorado Air spring systems

The Dorado Air spring systems contain a unique balancing valve that equalizes the positive and negative air chambers during the air fill process

Mechanical necessities such as a carbon pulley cage ceramic pulley bearings and anodized alloy artfully blend with proprietary electronic advancements to deliver a shifting wonder

S Lower EC30 Weight 93 Bearing Type Cartridge Crown Race 26 Color Sotto Voce Black S

Shimano XTR M980 10-Speed Chainrings

}Shimano GRX ST-RX610 Shift/Brake Lever with BR-RX400 Hyd Disc Brake Caliper - Right/Rear 12-Spd Flat Mnt Caliper For 25mm Mount Black

SRAM RED XG-1290 Cassette - 12-Speed 10-30t For XDR Driver Body Silver E1 2.25 The Dorado Air spring systemsDesigned for smooth and fast shifting Gradual gear progression between cogs at least five one tooth jumps on 10 28T, 10 30T and 10 33T cassettes while still offering a wider range 10 tooth start helps provide a wider gearing range Designed to work with an XDR driver body One piece machined steel X DOME design for weight savings SRAM Model ID: CS XG 1290 E1 TECH SPECS Cassette Freehub Compatibility XD R Cog Details 101112131415171921242730 Cassette