SRAM Red AXS 1x Aero Power Meter E1 Power Meter Crankset Speed: 12 Spindle: 28.99mm BCD: Direct Mount SRAM 8 Bolt 50 DUB 167.5mm Black Road Compound-3 Layer Overlap Tri-Align caliper positioning system

Tri-Align caliper positioning system

teeth 16t color purple

See this explanation for details

and silent grip

If it is less than 52mm

SRAM Red AXS 1x Aero Power Meter E1 Power Meter Crankset Speed: 12 Spindle: 28.99mm BCD: Direct Mount SRAM 8 Bolt 50 DUB 167.5mm Black Road Compound-3 Layer Overlap Tri-Align caliper positioning systemPower meter is fully integrated into the chainring for lighter weight and greater accuracy Power readings are accurate within + 1. 5% and arent affected by climate conditions during a ride Measures right and left leg power balance Ultra light hollow carbon fiber crankarms are 29 g lighter than previous generation DUB bottom bracket adds durability and simplicity SRAM Model ID: FC RED 1P E1 TECH SPECS BB Inclusion No Teeth 50 Speed 12 Crankset Material