e*thirteen Helix Race Cassette - 12-Speed 9-52t Intergalactic ISO Width (mm)-123 Premium bearings and double seal

Premium bearings and double seal system

Cassette Body Type SRAM XD 11/12 Speed Defined Color Black Hub/Brake Compatibility 6-Bolt Disc ISO Diameter 622 / road / 29" Rear Axle 12mm Thru x 148mm Tire Type Tubeless Ready Valve Presta Wheel Size 29"

}MRP SXg Alloy Chain Guide 32-36T ISCG-05 2 Bolt Black

The RoadLink DM (Direct Mount) is the RoadLink designed to fit Shimano's current generation R8000 Ultegra and R9100 Dura-Ace rear derailleurs

e*thirteen Helix Race Cassette - 12-Speed 9-52t Intergalactic ISO Width (mm)-123 Premium bearings and double seale*thirteen Helix Race Cassette 12 Speed 9 52t Intergalactic. The e*thriteen Helix Race 12 speed 9 52t cassette is engineered to deliver precision shifting performance with an industry leading 578% gear range. The proprietary 9 tooth smallest cog combined with the 52t largest cog enables the use of a smaller chainring for improved clearance lighter system weight and a lower bail out gear ratio without high gear compromise. Seamless cross compatibility