more precise

and also a graphical display of your zone % FTP

Up to 50km (subject to be variable by rider weight

so it is suitable for both children and adults

inpeak powercrank e twin2 shimano grx fc rx820 2 lights more preciseFree Europe delivery Finance available at checkout with humm by flexifi. Product Details Dual sided power meter integrated with Shimano GRX FC RX820 2 crankset. Designed without compromise to meet the highest demands of riders. Technical data: Communication: ANT + PWR, Bluetooth Low Energy Power range: 0 2000 W Cadence range: 20 200 RPM Measurement accuracy: 2% Weight: serial crank weight + 10g [L], + 10g [R] Internal battery: LiPo rechargeable cell