Sigma R3 Comfortex+ Transmitter & Chest Belt - Black Brake Levers Reduced outer shell volume for

Reduced outer shell volume for reduction in:

Hand built by a specialised Campagnolo technition

to prevent your bar tape from slipping

Axle type front: 15 x 100mm

Thanks to the internal cable routing through the bottom of the handlebar

Sigma R3 Comfortex+ Transmitter & Chest Belt - Black Brake Levers Reduced outer shell volume forSigma R3 Comfortex Transmitter & Chest Belt Black The R3 transmitter enables you to measure your speed, distance and heart rate in a single device. The SIGMA STS Run wireless technology sends digitally coded data packages to the receiver within the running computer. All in One SPEED DISTANCE HEART RATE The R3 transmitter uses an integrated three axis acceleration sensor to measure acceleration throughout the run and accurately measure speed and