SRAM Rival X-Sync Direct Mount Road Chainring - 42t 12-Speed 8-Bolt Direct Mount 6.5mm Offset BLK E1 CheckoutTitle=Wheels PF30 to Outboard Bottom Bracket Color Black Flat Protection Tread

Color Black Flat Protection Tread and Sidewall TPI 60 Defined Color Black ISO Width (mm) 64 ISO Diameter 584 / 650b / 27

Modern aluminum crankarms and chainring optimizes stiffness to weight ratio with material only where it’s needed

Color Black Defined Color Black Designed for ebike Yes Direct Mount Type Direct Mount Bosch Gen 4 Drivetrain Speeds 11 Drivetrain Speeds 12 Material Aluminum Material Steel Ring Position/Type Chain Retaining Single Ring Tooth Count 38

Beats many powders in glide tests when combined with TK-73 and attached with rotocork or rotofleece

5" compound Addix Soft bead folding type tubeless color black weight 1245g

SRAM Rival X-Sync Direct Mount Road Chainring - 42t 12-Speed 8-Bolt Direct Mount 6.5mm Offset BLK E1 CheckoutTitle=Wheels PF30 to Outboard Bottom Bracket Color Black Flat Protection TreadSRAM Rival X Sync Direct Mount Road Chainring 42t 12 Speed 8 Bolt Direct Mount 6. 5mm Offset Black E1. SRAMs light stiff and durable Rival X Sync direct mount aluminum road chainrings let you pick the exact gearing you want and quickly swap sizes. Our X SYNC technology keeps the chain where you need it to be too. X Sync wide tooth narrow tooth chainring technology provides maximum chain control. Aluminum laser etched chainring is designed to be more