Search found 108 items

Shimano STEPS SM-DUE10 Speed Sensor Chainsets
  • £34.99

This model is a speed sensor unit for Shimano STEPS E-bike platforms. It is designed to work with all brakes that are available for the Shimano STEPs system. Technologies: E-Tube: The E-TUBE platform's “Plug & play” and D-FLY wireless connections make it easier than ever to check the system's status, and apply customized settings to DI2 and SHIMANO STEPS components with a PC, tablet or smart phone. Wirelessly customize functions like SHIMANO SYNCHRONIZED SHIFT over Bluetooth® while out on a ride. Automatically checks for firmware updates on each startup to ensure all components are running the latest version. PC, smartphone and tablet applications can help you quickly diagnose errors and simplify the repair process. Beautiful visualization of your real-time SHIMANO STEPS riding data on your smartphone. Advanced all-weather design resists rusting, stretching, and freezing.

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Saris Magnetless Speed or Cadence Sensor
  • £31.99
  • RRP £39.99
  • Saving you £20

For decades cyclists have spent time meticulously lining up a speed/cadence sensor with its corresponding magnet. Our Speed or Cadence sensor harnesses the advances in accelerometer technology to leave the magnet in the dust - along with your competition.Simply install the battery, orient the sensor to program it for speed or cadence, and mount it on either the non-drive side crank arm or the bike’s hub, front or rear will do.Key Features:Can be programmed for speed or cadence.,Easily attaches to crank arm or hub.,Dual band Bluetooth Smart and ANT+ compatibility.,Low profile design to fit a wider range of bicycles.,Uses an accelerometer to acquire data; no magnet required.,Light Indicator: White (SPEED), Green (CADENCE).,Sleep time: 5 minutes.,Water resistance: IPX7.,Battery life: 200hrs.,Battery type: Coin cell CR2032.,In the Box: three bands, one coin cell battery, battery, rubber backing, speed/cadence sensor..

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Saris ANT+ Bluetooth Speed/Cadence Sensor Turbo Trainer Spares
  • £34.99

With this Saris ANT+ Bluetooth Speed/Cadence sensor recording your training data has never been easier, Saris have developed a Speed and Cadence sensor that is contained within the same unit. No more fiddling around with magnets, just install the battery, choose speed or cadence, mount the unit to either crank arm or wheel hubs and you are ready to go.

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Ravemen CL06 USB Rechargeable Sensor Rear Light - Black - 50 Lumens}, Black
  • £31.99

Ravemen CL06 USB Rechargeable Sensor Rear LightThe CL06 USB Rechargeable Sensored Rear Light from Ravemen is a bright, durable and versatile rear cycle light that offers a 50-lumen max output. Plus, it features a sensor that makes the light shine brighter when vehicle headlights shine on you from the rear. This USB rechargeable cycle light is ideal for inner-city errands, daily commuting and urban cycling adventures in low light conditions.50-Lumens Urban Commuting Rear Cycle LightThe Ravemen CL06 is a lightweight and easy-to-use rear light. Featuring four COB LED rings and a built-in light sensor, it provides a maximum of 50 LED lumens on warning flashing mode, great for busy night street commuting or city riding. With the flexible rubber strap mount and mounting clip, the light could be mounted to round and aero seatpost or clipped to some compatible saddlebags or backpacks directly. Bright and Reliable Rear Cycle LightThis light has a highly efficient COB LED with a max output of 50-lumens. A built-in light sensor that activates the lights max output when detecting headlights from rear approaching vehicles offers a warning to other road users that you are cycling ahead of them. Plus, it has auto power save and an indicator for low battery power, a quick-release design for versatile mounting and a USB-C charging port for convenient charging. And it has a built-in mode memory function to remember your settings and it's IPX6 water-resistant. Run Time: High: 8 hours Low: 18 hours Rapid Flashing: 30 hours Pulse Flashing: 12 hours High Slow Flashing: 16 hours Low Slow Flashing: 28 hours Warning Flashing: /Features: LED: Highly efficient COB LED with max 50 LED lumens Battery: 500mAh/3.7V rechargeable Li-polymer battery Dimensions (Light Unit): 43mm (L) x 22.5mm (W) x 44mm (H) Weight (Light Unit): 31g Mount Size: Compatible with 24-36mm round seatpost and aero seatpost Design and specifications are subject to change without notice Quick release design for various ways of mounting USB-C charging port for convenient use Built-in mode memory function IPX6 water-resistantBuy Ravemen Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Ravemen CL05 USB Rechargeable Sensor Rear Light - Black - 30 Lumens}, Black
  • £25.99

Ravemen CL05 USB Rechargeable Sensor Rear LightThe CL05 USB Rechargeable Sensor Rear Light from Ravemen is a lightweight and compact rear cycle light that can be mounted on your bike or clipped to your clothing or backpack. It provides 30-lumens illumination with multiple light modes to suit a wide variation of low-light and weather conditions. With High, Low and four different flashing modes, it's ideal for inner-city errands, urban commuting and evening rides. Plus, it has an integrated sensor that causes the light to shine at full power when headlights from another vehicle shine your way from behind - this makes sure you are more visible to other road users. 30-Lumen Rear Cycle Light for Inner-City CommutingThe Ravemen CL05 is a lightweight and easy-to-use rear light. Featuring two COB LED rings and a built-in light sensor, it provides a maximum of 30 LED lumens on warning flashing mode, great for busy night street commuting or city riding. With the flexible rubber strap mount and mounting clip, the light could be mounted to round and aero seatpost or clipped to some compatible saddlebags or backpacks directly. Small, Bright and Reliable Rear Cycle LightThis light has a highly efficient COB LED with a max output of 30-lumens. A built-in light sensor that activates the lights max output when detecting headlights from rear approaching vehicles offers a warning to other road users that you are cycling ahead of them. Plus, it has auto power save and an indicator for low battery power, a quick-release design for versatile mounting and a USB-C charging port for convenient charging. And it has a built-in mode memory function to remember your settings and it's IPX6 water-resistant. Run Time: High: 4.5 hours Low: 12 hours Rapid Flashing: 8 hours Pulse Flashing: 18 hours High Slow Flashing: 17 hours Low Slow Flashing: 22 hours Warning Flashing: /Features: LED: COB LED Battery: 200mAh/3.7V rechargeable Li-polymer battery Dimensions (Light Unit): 42.5mm (L) x 23.5mm (W) x 43.5mm (H) Weight (Light Unit): 23g Mount Size: Compatible with 24-36mm round seatpost and aero seatpostBuy Ravemen Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Ravemen CL06 USB Rechargeable Sensored Rear Light Rear Lights
  • £31.99

The Ravemen CL06 is a lightweight and easy-to-use rear light. Featuring four COB LED rings and a built-in light sensor, it provides a maximum of 50 LED lumens on warning flashing mode, great for busy night street commuting or city riding. With the flexible rubber strap mount and mounting clip, the light could be mounted to round and aero seatpost or clipped to some compatible saddlebags or backpacks directly. 50-Lumen Vibrant Rear Cycle Light This light has a highly efficient COB LED with a max output of 50-lumens. A built-in light sensor that activates the lights max output when detecting headlights from rear approaching vehicles offers a warning to other road users that you are cycling ahead of them. Plus, it has auto power save and an indicator for low battery power, a quick-release design for versatile mounting and a USB-C charging port for convenient charging. And it has a built-in mode memory function to remember your settings and it's IPX6 water-resistant. Run Time: High: 8 hours Low: 18 hours Rapid Flashing: 30 hours Pulse Flashing: 12 hours High Slow Flashing: 16 hours Low Slow Flashing: 28 hours Warning Flashing: /

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Ravemen CL05 USB Rechargeable Sensored Rear Light Rear Lights
  • £25.99

The Ravemen CL05 is a lightweight and easy-to-use rear light. Featuring two COB LED rings and a built-in light sensor, it provides a maximum of 30 LED lumens on warning flashing mode, great for busy night street commuting or city riding. With the flexible rubber strap mount and mounting clip, the light could be mounted to round and aero seatpost or clipped to some compatible saddlebags or backpacks directly.  Small, Bright and Reliable Rear Cycle Light This light has a highly efficient COB LED with a max output of 30-lumens. A built-in light sensor that activates the lights max output when detecting headlights from rear approaching vehicles offers a warning to other road users that you are cycling ahead of them. Plus, it has auto power save and an indicator for low battery power, a quick-release design for versatile mounting and a USB-C charging port for convenient charging. And it has a built-in mode memory function to remember your settings and it's IPX6 water-resistant. Run Time: High: 4.5 hours Low: 12 hours Rapid Flashing: 8 hours Pulse Flashing: 18 hours High Slow Flashing: 17 hours Low Slow Flashing: 22 hours Warning Flashing: /

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Quarq Tyrewiz Air Pressure Sensors
  • £253.00

Quarq Tyrewiz Air Pressure Sensors For Presta ValveTyreWiz is the first-of-its-kind tire pressure sensor for riders of mountain bikes and road bikes. Lightweight, durable, and powered by a long-lasting user-replaceable coin cell battery, TyreWiz monitors air pressure in real-time and relays the data to a cycling computer or a smartphone. The TyreWiz app uses that data to deliver personalized recommendations and pressure alerts. For the first time, riders have access to highly accurate real-time tire pressure data to make decisions that can affect rolling resistance, traction, tire wear, and rider comfort.Key Features:• Designed for road and mountain bike riders.• Personalized tire recommendations in the smartphone app for iOS and Android.• NFC pairing for fast and easy connection by BLE to a phone• Data reported with +/- 2% accuracy at .1 PSI resolution.• Broadly compatible with tires that use a Presta-style valve core.• Inexpensive, user-replaceable CR1632 battery lasts for 300 hours.• IP67 dustproof/waterproof rating.• Box includes valve core removal tool for installation. Essential Details:• Works with any tire that uses a removable Presta valve core: both tube and tubeless, and tires with anti-flat sealant.• For all bike riders, regardless of their experience or bike’s intended use.• Data can be read on a cycling computer or smartphone with the app for iOS and Android.• Smartphone app displays personalized recommendations, current tire pressure, and low/high-pressure alerts.• Retail package includes two sensors, batteries, and a valve core removal tool.• Use it for every ride to find the perfect combination of tire, wheel, and pressure in changing terrain and conditions.• Include LED lights to indicate when pressure is outside the target range. Quarq Tyrewiz Air Pressure Sensor For Zipp Moto - Presta ValveKnow Your PressureKey Features:Designed for road and mountain bike riders.,Personalized tire recommendations in the smartphone app for iOS and Android.,NFC pairing for fast and easy connection by BLE to a phone,Data reported with +/- 2% accuracy at .1 PSI resolution.,Broadly compatible with tires that use a removable Presta-style valve core.,Inexpensive, user-replaceable CR1632 battery lasts for 300 hours.,IPX7 dustproof/waterproof rating.,Box includes valve core removal tool for installation..

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Polar H9 Heart Rate Sensor - Black - XS-S}, Black
  • £51.50

Polar H9 Heart Rate SensorThe Polar H9 Heart Rate Sensor is a reliable monitor that provides high-quality heart rate date with Bluetooth and ANT+ technology capability.The monitor easily connects to any device via Bluetooth or ANT+ and with 5kHz technology that allows you to connect to multiple devices at the same time. The H9 can be connected and paired with smart and sport watches, gym equipment, cycle computers, and more.Perfectly designed to capture your heart rate in the most accurate way possible – the H9 monitor is built to stay in position, directly over your heart, with a completely adjustable strap. The monitor and strap are sweat resistant, and the strap can easily be washed.In the BoxPolar H9 heart rate sensorPolar Soft StrapPolar H9 getting started guideInformation noteSpecificationsCompatibility: iOS mobile devices with iOS 12 or later (iPhone 5S and later), Android mobile devices with Bluetooth capability and Android 6.0 or laterBattery Type: CR2025Battery Life: 400 hours with Bluetooth Low Energy, ANT+ and 5 kHz transmission activeConnector Size: 34mm x 65mm x 10mmWeight: 21g (connector), 39g (strap)Connector Materials: ABS, ABS + GF, PC, Stainless steelStrap: 38% Polyamide, 29% Polyurethane, 20% Elastane, 13% PolyesterWater Resistant: 30m (suitable for swimming)Operating Temperature: -10 °C to +50 °C / 14 °F to 122 °FSizingXS-S: 51-66cmM-XXL: 65-93cmFeaturesCompatible with top fitness apps, sports and smart watches, gym equipment and many other Bluetooth and ANT+ devicesCan be connected to Bluetooth and ANT+ devices simultaneouslyUp to 400 hours of battery lifeThe chest strap places the heart rate sensor is placed close to the heartReliable and high-quality heart rate measurementsProvides accurate calorie burn dataBuy Polar Heart Rate Monitors from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Polar H9 Heart Rate Sensor - Black - M-XXL}, Black
  • £51.50

Polar H9 Heart Rate SensorThe Polar H9 Heart Rate Sensor is a reliable monitor that provides high-quality heart rate date with Bluetooth and ANT+ technology capability.The monitor easily connects to any device via Bluetooth or ANT+ and with 5kHz technology that allows you to connect to multiple devices at the same time. The H9 can be connected and paired with smart and sport watches, gym equipment, cycle computers, and more.Perfectly designed to capture your heart rate in the most accurate way possible – the H9 monitor is built to stay in position, directly over your heart, with a completely adjustable strap. The monitor and strap are sweat resistant, and the strap can easily be washed.In the BoxPolar H9 heart rate sensorPolar Soft StrapPolar H9 getting started guideInformation noteSpecificationsCompatibility: iOS mobile devices with iOS 12 or later (iPhone 5S and later), Android mobile devices with Bluetooth capability and Android 6.0 or laterBattery Type: CR2025Battery Life: 400 hours with Bluetooth Low Energy, ANT+ and 5 kHz transmission activeConnector Size: 34mm x 65mm x 10mmWeight: 21g (connector), 39g (strap)Connector Materials: ABS, ABS + GF, PC, Stainless steelStrap: 38% Polyamide, 29% Polyurethane, 20% Elastane, 13% PolyesterWater Resistant: 30m (suitable for swimming)Operating Temperature: -10 °C to +50 °C / 14 °F to 122 °FSizingXS-S: 51-66cmM-XXL: 65-93cmFeaturesCompatible with top fitness apps, sports and smart watches, gym equipment and many other Bluetooth and ANT+ devicesCan be connected to Bluetooth and ANT+ devices simultaneouslyUp to 400 hours of battery lifeThe chest strap places the heart rate sensor is placed close to the heartReliable and high-quality heart rate measurementsProvides accurate calorie burn dataBuy Polar Heart Rate Monitors from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Polar H10 N Heart Rate Sensor - Black - M-XXL}, Black
  • £71.99
  • RRP £76.50
  • Saving you £6

Polar H10 N Heart Rate SensorA chest-based heart rate monitor which offers accurate heart rate monitoring using high-quality electrodes. Polar’s H10 easily connects to smartwatches, cycle computers, gym equipment and other devices via Bluetooth and ANT+ connectivity. The chest strap comes with a comfortable design that uses soft textiles and comes with an adjustable fit.FeaturesComfortable strap design utilising soft textilesHigh quality electrodes for measuring your heart rate accuratelyKeeps updating with over-the-air software updatesTwo simultaneous Bluetooth connectionsANT+ connectivityBuy Polar Heart Rate Monitors from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Polar H10 N Heart Rate Sensor - Black - XS-S}, Black
  • £71.99
  • RRP £76.50
  • Saving you £6

Polar H10 N Heart Rate SensorA chest-based heart rate monitor which offers accurate heart rate monitoring using high-quality electrodes. Polar’s H10 easily connects to smartwatches, cycle computers, gym equipment and other devices via Bluetooth and ANT+ connectivity. The chest strap comes with a comfortable design that uses soft textiles and comes with an adjustable fit.FeaturesComfortable strap design utilising soft textilesHigh quality electrodes for measuring your heart rate accuratelyKeeps updating with over-the-air software updatesTwo simultaneous Bluetooth connectionsANT+ connectivityBuy Polar Heart Rate Monitors from Chain Reaction Cycles, the World's Largest Online Bike Store.

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