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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
and short bed-in time
30-40psi (700c)
50% more wear resistant than its predecessor B03S
and reduces friction and noise
and quick-release fittings allow fast assembly and breakdown without tools
4iiii PRECISION 3+ Ride Ready Ultegra FC-R8000 Power Meter Left Arm Choose:165mm and short bed-in timeThe 4iiii PRECISION 3+ is a left arm power meter that comes pre installed on a Shimano Ultegra FC R8000 crank arm, ready to mount and ride without additional setup. It delivers + 1% power accuracy and integrates Apple Find My support, allowing riders to locate the unit if it goes missing. The meter ships in a smaller and lighter form factor than its predecessor, with an automatic terrain selector that adjusts calibration for varied riding conditions.
