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ZR1 DB hub with 66 points of engagement
BB Inclusion No Chainline 47
Not intended for daily use
SRAM Model ID: GS-GX-1-B2
Chrome vanadium bits
Force E1 2x Thread Mount 170mm crankset ZR1 DB hub with 66Thread Mount 2x chainrings are part of an innovative system to minimize weight while maximizing stiffness and power meter accuracy. Quickly swap ring sizes with an easy to use tool. Compatible with all road Flattop chains SRAM Thread Mount Chainring Removal Tool required for installation SRAM Model ID: CR FRC TMKT E1 Attributes BCD Thread Mount Chainring Comp. SRAM FlatTop Primary Color Black Speed 12
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