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Shop Power Meters
Power Meter Brands
4iiii
Easton | Race Face
Favero
FSA
Garmin
LOOK
Pioneer
power2max
PowerTap
ROTOR
SRM
Stages Cycling
Team ZWATT
Velocomp
Verve Cycling
Road Power Meters
All Road
Most Popular
Pedals
Crank Arm
Dual-Sided Crank Arm
Crankset
Bottom Bracket
Handlebar
Hub
MTB Power Meters
All MTB
Most Popular
Crank Arm
Crankset
Bottom Bracket
Handlebar
Hub
Price Ranges
$0-$499
$500-$999
$1,000-$1,499
$1,500+
Others
All Brands
Sale Items
Factory Install Options
Track Power Meters
New Arrivals
Coming Soon
PMC Gift Certificate
Accessories
Accessories
Cycling Computers
GPS Watches
Heart Rate Monitors
Muscle Oxygen Sensors
Bar Mounts
Speed and Cadence Sensors
Accessories
Replacement Cleats
Chainrings and Q-Rings
Bottom Brackets
Running Power
Other Accessories
Indoor
Bike Trainers
Spin Bikes
CycleOps
Feedback Sports
Kinetic
Other
All Brands
Most Popular
New Arrivals
Sale Items
PMC Team Apparel
Power Meter Brands
Power Central
Article Categories
Power Meter Basics
Features & Functionality
Using a Power Meter
Pedal-Based Power Meters
Crank Arm-Based Power Meters
Other Articles
Training with a Power Meter
Other
Power Meter Quizzes
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4iiii Viiiiva Heart Rate Monitor
$
69.99
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The 4iiii Viiiiva Heart Rate Monitor combines best in class accuracy with ANT+ and Bluetooth SMARTÂ technology
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4iiii PRECISION Replacement Battery Door
$
4.99
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Replacement battery door and O-ring for your 4iiii PRECISION power meter
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The 4iiii Viiiiva Heart Rate Monitor combines best in class accuracy with ANT+ and Bluetooth SMARTÂ technology
