4iiii Pm Non-Drive Side Arm Precision, Gen3, Ultegra, R8000, Nds

Description

Features • With up to 800 hours of battery life, you won’t have to worry about changing your battery for years to come. • At only 9 grams the PRECISION 3+ Powermeter weighs about the same as a sip from your water bottle. Our goal is to help you get faster, not to slow you down. • With an ultra low p