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- New tooth profile alternates thickness by inner and outer links providing maximum chain control 170mm 32T BB30 156 Q/Factor
- Carbon arms with forged aluminum spider
- CNC machined rings
- Weight 650 grams with BBapprox BB not included
- Must be used in conjunction with SRAMs XX1 complete group rear derailleur cassette shifter chain cranks chainrings
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Developed for maximum chain control, each tooths thickness is precisely CNC machined to support the chains inner and outer links perfectly. Additional chain ring sizes are available separately to match your terrain, wheel size and riding style. Each X SYNC chain ring fits a single, universal spider—allowing you to change rings without removing the light weight carbon crank arm.