SRAM Rival 2x Chainring Kit - 48/35t 2x12-Speed 8-Bolt Direct Mount Black E1 Model-Reverb The locking mechanism is nearly

The locking mechanism is nearly twice as wide as the existing  NNN system

Color Black Defined Color Black Designed for ebike Yes Direct Mount Type Direct Mount Bosch Gen 2 Direct Mount Type Direct Mount Bosch Drivetrain Speeds 11 Drivetrain Speeds 12 Material Aluminum Material Steel Ring Position/Type Chain Retaining Single Ring Tooth Count 16

Compatible with sensors (sold separately) for monitoring heart rate

front/rear rear (HG 8-11sp) axle/spacing (mm) 12x148 Boost hole 28h color black weight 295g

SRAM Rival 2x Chainring Kit - 48/35t 2x12-Speed 8-Bolt Direct Mount Black E1 Model-Reverb The locking mechanism is nearlySRAM Rival 2x Chainring Kit 48 35t 2x12 Speed 8 Bolt Direct Mount Black E1. Stiff strong chainrings form the backbone of SRAMs front shifting ever. Rival 2x chainrings are a light elegant one piece construction so none of your effort goes to waste. A 13 tooth delta on all chainring pairs ensures precise shifting for any setup as well as a less dramatic change in cadence during front shifts. One piece construction for faster smoother more secure