SRAM XX1 Eagle XG-1299 Cassette - 12-Speed 10-52t Copper For XD Driver Body ModelNumber=K3493 MAHLE TCS (torque and cadence

MAHLE TCS (torque and cadence sensor) bottom bracket helps riders conserve battery by measuring the power input from the rider and adjusting the support from the motor accordingly

Color Black Lower Stack Height 12

Versatite flexible mount attaches to most handlebars including aero bars

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SRAM XX1 Eagle XG-1299 Cassette - 12-Speed 10-52t Copper For XD Driver Body ModelNumber=K3493 MAHLE TCS (torque and cadenceSRAM XX1 Eagle XG 1299 Cassette 12 Speed 10 52t Copper For XD Driver Body. The SRAM XG 1299 Eagle Cassette provides massive range and Eagle compatibility. It features SRAMs X Dome architecture for ultimate strength and weight savings. Fits the same XD drivers that are used for SRAM 10 42 11 speed cassettes Largest cog is aluminum Tooth profiles provide better up and down shifting and improve chain retention Titanium Nitride surface treatment reduces