SRAM RED AXS 2x Power Meter Chainring Kit - 50/37t 2x12-Speed 8-Bolt Direct Mount BLK/Silver E1 Size-26x2.125 Chainring bolts not included Ring

Chainring bolts not included Ring Position/Type Chain Retaining Single Ring Tooth Count 42 Drivetrain Speeds 12 Chainring BCD 107 Color Gray Defined Color Gray Size 42

integrated with rear rack App & Apple Find My™ APP OTA & Find My User Height Range Step-Thru / Regular: 5'2'' - 5'11'' Step-Thru / Large: 5'10'' - 6'5'' High-Step / Regular:5'2'' - 5'11'' High-Step / Large: 5'10'' - 6'5'' Bike Size Regular / Large Chainrings 48T Crankset Aluminum Alloy

and steel cassette body

15% improvement in axle stiffness due to new design placing the bearings further apart

SRAM RED AXS 2x Power Meter Chainring Kit - 50/37t 2x12-Speed 8-Bolt Direct Mount BLK/Silver E1 Size-26x2.125 Chainring bolts not included RingIts the ultimate in integrated power measurement. The RED AXS power meter kit adds Quarq technology to SRAM's one piece chainrings for the lightest stiffest and most accurate power package available. 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. Combined with our most durable chainrings ever its an unbeatable combination. X Range gearing technology gives