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Ships within 48 hours · Estimated delivery Sep 8 - Sep 13
High-gauge 200-needle construction
With its 500 mm² contact area
Bottle retention and grip are both rock solid
the GRX Di2 parts are characterized by control
Smooth and reliable shifting performance
SRAM Red XG-1290 E1 Cassette 12-Speed 10-36T 100mm High-gauge 200-needle constructionCarefully chosen tooth jumps keep you in the right gear when youre out of the saddle on steep climbs and making fine changes to hold a wheel while approaching a sprint. Designed for smooth and fast shifting 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 Speed 12 Cog sizes 10 36t: 10,11,12,13,15,17,19,21,24,28,32,36
