I don’t have a bike computer can I use this with the iPhone/app only, no computer needed?

Yes. You can use the Wahoo app. You don't even have to create an account with Wahoo.

Does this work for indoor cycling on a trainer, with connection to an iPhone, without a bike computer? I can’t seem to pair it with any apps so far

Hello, please use "Magene Utility" app to get it connected, then use it with your indoor cycling app. It works with most of the popular apps. Please contact us directly if you need any further help.

will this record total count of spins per ride session, (not just per min)?

It would seem the device is capable (it just counts...), but depends what your app/computer will report. My Wahoo element bolt only gives rpm........

Is this compatible with Magellan Cyclo 505 Bike Computer

Yes it is, both Magene S3+ Sensor and Cycle 505 bike computer are ant+ compatible, they will work with each other.

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Magene Outdoor/Indoor Speed/Cadence Sensor for Cycling, Wireless Bluetooth/Ant+ Bike Computer RPM Sensor for Road Bike or Spinning Bike and Trainers Compatible with Onelap, Wahoo Fitness, Zwift

Product ID: 177438279

Details

Brand
Magene
Color
Black
Display Type
LCD
Item Weight
9 g
Product Dimensions
1.17"L x x

📶Dual Bluetooth & ANT+ connectivity

🔋Long-lasting Lithium Manganese Dioxide battery

⚙️Auto hibernation for power saving

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Description

🚴‍♂️ Ride Smarter, Not Harder — Stay Connected, Stay Ahead!

UNIVERSAL COMPATIBILITY - Works flawlessly with top cycling apps like Wahoo Fitness, Zwift, and Onelap for a connected training experience.
COMPACT DURABLE DESIGN - Lightweight 9g sensor with IP66 water resistance, built to withstand intense outdoor and indoor cycling sessions.
SEAMLESS MULTI DEVICE SYNC - ANT+ protocol supports simultaneous connections to multiple devices, perfect for group rides or multi-app setups.
EFFORTLESS POWER MANAGEMENT - Auto sleep mode activates after 1 minute of inactivity, extending battery life so you never miss a beat.
PRECISION TRACKING EVERY RIDE - Accurately measures speed or cadence with dedicated sensor modes for focused performance insights.

The Magene S3+ Speed/Cadence Sensor is a lightweight, wireless cycling accessory that accurately tracks your RPM via Bluetooth or ANT+ connectivity. Designed for both indoor trainers and outdoor road bikes, it offers dedicated speed or cadence modes, automatic power-saving hibernation, and broad compatibility with leading fitness apps like Zwift and Wahoo Fitness. Its durable, IP66-rated build ensures reliable performance in all conditions, making it an essential tool for data-driven cyclists aiming to optimize every ride.

Specifications

ASIN	B08252X8VS
Battery Type	Lithium Manganese Dioxide
Best Sellers Rank	#6,688 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #2 in Cycling Computers
Brand	Magene
Brand Name	Magene
Color	Black
Connectivity Technology	Bluetooth
Customer Reviews	4.0 out of 5 stars 5,003 Reviews
Display	LCD
Display Type	LCD
Global Trade Identification Number	08414775870867
Human Interface Input	Buttons
Included Components	Battery, Magnet
International Protection Rating	IP66
Item Dimensions L x W x H	1.17"L x 0.33"W x 1.51"H
Item Weight	9 g
Manufacturer	Magene
Manufacturer Part Number	S3
Model Number	S3+
Mounting Type	['Stem Mount', 'Handlebar Mount']
Number of Items	1
Product Dimensions	1.17"L x 0.33"W x 1.51"H
Sensor Type	Cadence Sensor, Speed Sensor
Unit Count	1 Count

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How is product pricing calculated?+

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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£41.34

Duties & taxes included

In stock

Sold byAmazon Isle of ManDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Isle of Man.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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