Why do i need a speed sensor with a gps equipped polar head unit ? surely the head unit can calculate my speed using gps ?

Yes. Any GPS enabled Polar wrist unit will measure speed and distance for both running and cycling

Can you use this with a turbo trainer along side polar beat/flow as i dont think its compatible with m600?

Yes, I have the speed and cadence on the rear wheel and use with my Taxc turbo. Pairing it with Polar Beat will also work

can these be paired to a m450 at the same time as a H7 HR monitor

Hi. I have paired them to polar v800 together with H7. All three devices (Cadence, speed and heart sensors working together with watches). They should work the same way with m450.

Can this be fitted to oversize carbon spokes?

it probably could... it's just the magnet that attaches to the spokes so you could probably tape or cable tie it on... the only issue is that I've yet to find an app that it works with on my Nexus 5. Any that supposedly support these sensors specify that they require ANT+ hardware.

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🚴‍♀️ Ride Smarter, Train Harder, Stay Ahead!

COMPACT FEATHERLIGHT - Sleek, small design with secure bike attachment for zero drag and max comfort
INTERFERENCE FREE DATA - Reliable, clean signals ensure your performance analysis is spot-on every ride
PRECISION PERFORMANCE METRICS - Wirelessly captures current, average, and max speeds to push your limits
SEAMLESS BLUETOOTH SMART SYNC - Effortlessly pairs with heart rate monitors & fitness apps for real-time insights
UNIVERSAL FITNESS APP COMPATIBILITY - Works flawlessly with dozens of top cycling and fitness apps to keep you connected

The Polar91053157 Speed/Cadence Sensor is a compact, Bluetooth Smart-enabled device designed for cyclists seeking precise speed and cadence data. Lightweight and easy to attach, it wirelessly transmits interference-free performance metrics compatible with leading heart rate monitors and fitness apps, empowering you to optimize every ride.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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Color	Black
Size	S
Style	Bluetooth Smart Set
Height	0.7 inches
Item display length	3.7 inches
Weight	0.09 Kilograms
Item display width	11.4 inches
Material type	Plastic
Number of pieces	2
Seasons	continuity 2014
Usage	cycling
Included components	Sensor
Batteries included?	Yes
Brand	Polar
Department	Unisex
Manufacturer	Polar
Item model number	91047327
Product Dimensions	9.4 x 28.96 x 1.78 cm; 90 g
ASIN	B00PW9RKZC

Polar 91053157 Speed/Cadence Sensor (Combo Set) Bluetooth Smart, Black, S, 91053157

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