SRAM Force D2 1x Power Meter Crankset Speed: 12 Spindle: 28.99mm BCD: Direct Mount 40 DUB 172.5mm Black Road Disc MFPN=00.4020.552.002 or for a little bit

or for a little bit nicer option

}SRAM 4mm Derailleur Cable Housing Black 30 Meter Filebox

Drawcord waistband for optimal comfort

Includes all required mounting hardware

SRAM Force D2 1x Power Meter Crankset Speed: 12 Spindle: 28.99mm BCD: Direct Mount 40 DUB 172.5mm Black Road Disc MFPN=00.4020.552.002 or for a little bitIts the best of both worlds. A light and stiff direct mount chainring with accurate Quarq power measurement elegantly hidden inside the DUB spindle lets you stealthily gather the data you need to progress. DUB PWR spindle based unit measures left side power to calculate total watts Long battery life (400+ hours) to power a season of rides User replaceable AAA lithium battery DUB bottom bracket adds durability and simplicity Waterproof (IPX7 waterproof