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WTB TCS Tubeless Presta Valve (Pair) - Brass - 46mm}, Brass
  • £12.99
  • RRP £14.99
  • Saving you £13

WTB TCS Tubeless Presta Valve (Pair)Brighten up your tyres with this pair of TCS Presta Vales. Featuring a steeped lock nut to ensure compatibility with a variety of drillings and a smooth interface and removable core so setting beads is easy.  Features:PrestaSold in packs of 2.Use: Road, commuter, touring Buy WTB Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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WTB Presta Valve Road Inner Tube - Black - 48mm, Black
  • £1.99
  • RRP £5.99
  • Saving you £67

WTB Presta Valve Road Inner TubeDependable and long-lasting performance is assured from this easy to install innertube. Suited to a variety of riding styles and terrains, it comes with a Presta specific valve and is easily portable to be used as a back up for when the road gets the better of you. Features: Tyre Size: 700c Buy WTB Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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WTB Presta Valve Mountain Bike Inner Tube - Black - 29", Black
  • £4.99
  • RRP £5.99
  • Saving you £17

WTB Presta Valve Mountain Bike Inner TubeA lifesaver when you lose your battle with the terrain, this Presta-valved essential from WTB will help get you back up to speed in no time. Coming in a variety of sizes to suit your own rolling setup, this durable and dependable spare is lightweight and easily portable too.Features: Valve: Presta Valve Material: 6061 AluminiumBuy WTB Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store

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WTB Presta Valve Mountain Bike Inner Tube - Black - 700c}, Black
  • £5.99

WTB Presta Valve Mountain Bike Inner TubeA lifesaver when you lose your battle with the terrain, this Presta-valved essential from WTB will help get you back up to speed in no time. Coming in a variety of sizes to suit your own rolling setup, this durable and dependable spare is lightweight and easily portable too.Features: Valve: Presta Valve Material: 6061 AluminiumBuy WTB Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store

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WTB Presta Valve Mountain Bike Inner Tube - Black - 27.5" (650b), Black
  • £4.49
  • RRP £5.99
  • Saving you £25

WTB Presta Valve Mountain Bike Inner TubeA lifesaver when you lose your battle with the terrain, this Presta-valved essential from WTB will help get you back up to speed in no time. Coming in a variety of sizes to suit your own rolling setup, this durable and dependable spare is lightweight and easily portable too.Features: Valve: Presta Valve Material: 6061 AluminiumBuy WTB Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store

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WTB TCS AL Tubeless Presta Valve - Green - Presta 34mm}, Green
  • £4.99
  • RRP £24.99
  • Saving you £80

WTB TCS AL Tubeless Presta ValveVisually-striking and easy to install, these Presta valve packs from WTB add versatility and style to your tubeless compatible system. Quality-made and colourful, each pair ensures effective and efficient inflation. Stylish and Functional Tubeless Set-Up ValvesThese TCS AL Presta valves feature a stepped lock nut for added suitability with a variety of rim drillings, a removable valve core for simple setting of beads and a smooth pump interface to ensure superior engagement and reduce air loss. Made from tough and durable brass, these valves will keep you full of air and style on every ride. Features: Material: Brass Compatibility: Presta heads Pack contents: Valves x 2 Buy WTB Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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WTB TCS AL Tubeless Presta Valve - Orange - Presta 34mm}, Orange
  • £4.99
  • RRP £24.99
  • Saving you £80

WTB TCS AL Tubeless Presta ValveVisually-striking and easy to install, these Presta valve packs from WTB add versatility and style to your tubeless compatible system. Quality-made and colourful, each pair ensures effective and efficient inflation. Stylish and Functional Tubeless Set-Up ValvesThese TCS AL Presta valves feature a stepped lock nut for added suitability with a variety of rim drillings, a removable valve core for simple setting of beads and a smooth pump interface to ensure superior engagement and reduce air loss. Made from tough and durable brass, these valves will keep you full of air and style on every ride. Features: Material: Brass Compatibility: Presta heads Pack contents: Valves x 2 Buy WTB Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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WTB TCS AL Tubeless Presta Valve - Green - Presta 46mm}, Green
  • £4.99
  • RRP £24.99
  • Saving you £80

WTB TCS AL Tubeless Presta ValveVisually-striking and easy to install, these Presta valve packs from WTB add versatility and style to your tubeless compatible system. Quality-made and colourful, each pair ensures effective and efficient inflation. Stylish and Functional Tubeless Set-Up ValvesThese TCS AL Presta valves feature a stepped lock nut for added suitability with a variety of rim drillings, a removable valve core for simple setting of beads and a smooth pump interface to ensure superior engagement and reduce air loss. Made from tough and durable brass, these valves will keep you full of air and style on every ride. Features: Material: Brass Compatibility: Presta heads Pack contents: Valves x 2 Buy WTB Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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WTB TCS AL Tubeless Presta Valve - Orange - Presta 46mm}, Orange
  • £7.49
  • RRP £24.99
  • Saving you £70

WTB TCS AL Tubeless Presta ValveVisually-striking and easy to install, these Presta valve packs from WTB add versatility and style to your tubeless compatible system. Quality-made and colourful, each pair ensures effective and efficient inflation. Stylish and Functional Tubeless Set-Up ValvesThese TCS AL Presta valves feature a stepped lock nut for added suitability with a variety of rim drillings, a removable valve core for simple setting of beads and a smooth pump interface to ensure superior engagement and reduce air loss. Made from tough and durable brass, these valves will keep you full of air and style on every ride. Features: Material: Brass Compatibility: Presta heads Pack contents: Valves x 2 Buy WTB Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Campagnolo 2-Way Fit Tubeless Presta Valve - Black - One Size}, Black
  • £9.99
  • RRP £10.99
  • Saving you £9

Campagnolo 2-Way Fit Tubeless Presta ValveThis Campagnolo 2 Way Fit Tubeless Valve is a replacement tubeless valve kit for Campagnolo 2 Way Fit wheels. The kit includes a bushing to reduce the size of the valve hole so a Presta valve fits air-tight.Features:Genuine Campagnolo high-quality replacement partsPresta valve kit for tubeless setupCampagnolo Part Number: CPS105Kit Includes:Presta tubeless valveValve bushingO-ringValve dust capBuy Campagnolo Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Garmin Forerunner 745 GPS Watch - Whitestone, Whitestone
  • £399.99

Garmin Forerunner 745 GPS WatchThe ultimate running and triathlon watch, the Garmin Forerunner 745 GPS Watch provides detailed training stats and on-device workouts plus a huge variety of smartwatch functions.Daily Workout SuggestionsThe Forerunner 745 delivers training guidance that takes your fitness level into account. The watch provides run and ride recommendations based on your current training load and training status.Training EffectSee how your workouts influence the developments of endurance, speed and power with aerobic and anaerobic training effect feedback.Recovery TimeSee when it’s time to train and when you still need more time to recover with the Recovery Time feature. It considers training intensity and factors in such elements as stress, daily activity and sleep.Built-In Sports AppsThe smartwatch comes with built-in activity profiles for running, cycling, triathlon, pool and open water swimming, track running and more. You can switch sports with just one button press.VO2 MaxThe VO2 Max feature helps you train smarter, working as an indicator of how you can expect to perform. This metric also accounts for changes in performance that could be caused by heat or altitude.Race PredictorThe specialised Race Predictor tool uses your current fitness level and training history to help you work toward your race goal and allows you to see the impact of training on your predicted finishing time.Performance ConditionWhile you’re running, the Forerunner 745 analyses your pace, heart rate and heart rate variability for a real-time assessment of your current ability to perform.Training LoadThe Training Load stat measures your exercise volume from the last 7 days and compares it to the optimal range for your fitness and recent training history.Training StatusThe Training Status metric evaluates your recent exercise history and performance indicators to let you know if your training is productive, peaking or overreaching.Cycling PowerConnect to a compatible Garmin power meter (sold separately) to work toward a more efficient ride with help from cycling dynamics, FTP and advanced training methods.Wrist-Based Heart RateIntegrated into the wrist of the smartwatch is a heart rate monitor which delivers hassle-free heart rate data, including advanced heart rate alerts and other features – helping you to get the most out of your workouts.Running DynamicsWhen used with a compatible accessory (sold separately), the Forerunner 745 can be used to measure crucial running metrics such as cadence, stride, length, ground contact time, balance, and more.Multi-GNSSThe watch uses multiple global navigation satellite systems including GPS, GLONASS, and Galileo to better keep track in more challenging environments.Garmin CoachThe watch comes with free, adaptive training plans which feature guidance from expert coaches and adapt to you and your goals. Workouts sync right to your watch.Create More CoursesYou can create courses in the Garmin Connect app or plan one on other platforms such as Strava or Komoot, then automatically sync them to the Forerunner 745.Trendline™ Popularity RoutingUsing the billions of miles of data that runners and riders have uploaded, Garmin Connect can find the best route – choosing from the roads and trails most travelled.In the BoxForerunner 745USB cableDocumentationSpecificationsGeneralLens Material: Corning® Gorilla® Glass DXBezel Material: Fibre-reinforced polymerQuickFit™ Watch Band Compatible: Yes (22mm)Strap Material: SiliconePhysical Size: 43.8mm x 43.8mm x 13.3mmColour DisplayDisplay Size: 30.4mm (1.2’’) diameterDisplay Resolution: 240 x 240 pixelsDisplay Type: Sunlight-visible, transflective memory-in-pixel (MIP)Weight: 47gBattery Life: Up to 7 days (smartwatch mode), up to 6 hours (GPS mode with music), up to 16 hours (GPS mode without music), up to 21 hours (UltraTrac™ mode)Water Rating: 5ATMMemory/History: 200 hours of activity dataClock FeaturesTime/DateGPS Time SyncAutomatic Daylight SavingAlarm ClockTimerStopwatchSunrise/Sunset TimesHealth MonitoringWrist-Based Heart Rate (Constant, Every Second)Daily Resting Heart RateAbnormal Heart Rate Alerts: Yes (high and low)Respiration Rate (24 x 7)Pulse OX Blood Oxygen Saturation: Yes (spot-check, and optional all-day acclimation and in sleep)Fitness Age: Yes (in app)Body Battery™ Energy MonitorAll-Day Stress TrackingRelaxation Breathing TimerSleepAdvanced Sleep Monitoring (Sleep Score and Insights)Hydration: Yes (in Garmin Connect™ and optional Connect IQ™ widget)Menstrual Cycle: Yes (in Garmin Connect™ and optional Connect IQ™ widget)SensorsGPSGLONASSGALILEOGarmin Elevate™ Wrist Heart Rate MonitorBarometric AltimeterCompassGyroscopeAccelerometerThermometerPulse OX Blood Oxygen Saturation MonitorDaily Smart FeaturesConnectivity: Bluetooth®, ANT+®, Wi-Fi®Connect IQ™ (Downloadable Watch Faces, Data Fields, Widgets and Apps)Smart NotificationsText Response/ Reject Phone Call with Text (Android™ Only)CalendarWeatherControls Smartphone MusicPlays and Controls Watch MusicMusic Storage: Up to 500 songsFind My PhoneFind My WatchVIRB® Camera RemoteSmartphone Compatibility: iPhone® and Android™Compatible with Garmin Connect™ MobileGarmin Pay™Safety and Tracking FeaturesLiveTrackGroup LiveTrackLive Event Sharing: Android™ onlyIncident Detection During Select ActivitiesAssistanceTactical FeaturesDual Grid CoordinatesActivity Tracking FeaturesStep CounterMove Bar (Displays on device after a period of inactivity; walk for a couple of minutes to reset it)Auto Goal (Learns your activity level and assigns a daily step goal)Calories BurnedFloors ClimbedDistance TravelledIntensity MinutesTrueUp™Move IQ™Fitness Equipment/GymAvailable Gym Activity Profiles: Strength, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Pilates and YogaCardio WorkoutsStrength WorkoutsYoga WorkoutsPilates WorkoutsAutomatic Rep CountingTraining, Planning and Analysis FeaturesHR ZonesHR AlertsHR Calories% HR Max% HRRRecovery TimeAuto Max HRHRV Stress Test (Measures your heart rate variability while standing still, for 3 minutes, to provide you with an estimated stress level; the scale of this is 1 to 100; low scores indicate lower stress levels): Yes (only with compatible accessory – not included)HR Broadcast (Broadcasts HR data over ANT+™ to paired devices)GPS Speed and DistanceCustomisable Screen(s)Customisable Activity ProfilesAuto Pause®Interval TrainingAdvanced WorkoutsDownloadable Training PlansAuto Lap®Manual LapConfigurable Lap AlertsHeat and Altitude AcclimationVO2 MaxTraining Status (Lets you see if you’re training effectively by tracking your training and fitness level trend)Training Load (Your total training load for the last 7 days calculated from estimated EPOC)Training Load FocusTraining Effect (Aerobic)Training Effect (Anaerobic)Primary Benefit (Training effect labels)Customisable AlertsAudio PromptsFinish TimeVirtual PartnerRace an ActivityAuto Multisport ActivitiesMulti-SportCourse GuidanceGarmin Live SegmentsStrava Live SegmentsRound-Trip Course Creator (Running/Cycling)Trendline™ Popularity RoutingTouch and/or Button LockHot KeysAuto ScrollActivity History on WatchPhysio TrueUpRunning FeaturesAvailable Run Profiles: Running, Treadmill Running, Indoor and Outdoor Track Running, Virtual Running, Trail RunningGPS-Based Distance, Time and PaceRunning Dynamics: Yes (with compatible accessory – not included)Vertical Oscillation and Ratio (the degree of ‘bounce’ in your running motion and the cost-benefit ratio with stride length): Yes (with compatible accessory – not included)Ground Contact Time and Balance (shows how much time, in the running motion, your foot is on the ground rather than in flight and lets you check your running symmetry): Yes (with compatible accessory – not included)Stride Length (real time): Yes (with compatible accessory – not included)Cadence (provides real-time numbers of steps per minute)Performance Condition (after running 6-20 minutes, compares your real-time condition to your average fitness level)Lactate Threshold (through analysis of your pace and heart rate, estimates the point where your muscles start to rapidly fatigue): Yes (with compatible accessory – not included)PacePro™ Pacing StrategiesRun WorkoutsRace PredicatorFoot Pod CapableOutdoor Recreation FeaturesAvailable Outdoor Recreation Profiles: Hiking, Skiing, Snowboarding, Backcountry Skiing, XC Classic and Skate Skiing, Stand up Paddleboarding, Kayaking, RowingPoint-to-Point NavigationBreadcrumb Trail in Rea TimeBack to StartTracBack®UltraTrac ModeElevation ProfileDistance to DestinationBarometric Trend Indicator with Storm AlertClimbPro™ Ascent PlannerTrail Run Auto ClimbVertical SpeedTotal Ascent/DescentFuture Elevation PlotGPS CoordinatesArea Calculation: Yes (via Garmin IQ™)Hunt/Fish: Yes (via Garmin Connect™)Sun and Moon Information: Yes (via Garmin Connect™)Cycling FeaturesAlerts (Triggers alarm when you reach goals including time, distance, heart rate or calories)CoursesAvailable Cycling Profiles: Biking, Indoor Biking, Mountain Trail BikingBike Lap and Lap Maximum Power (with Power Sensor)Race an ActivityFTP (Functional Threshold Power): Yes (with compatible accessory – not included)Compatible with Vector™ (Power Meter)Power Meter CompatibleAdvanced Vector SupportCompatible with Varia Vision™ (Head-mounted display)Compatible with Varia™ Radar (Rear-Facing Radar)Compatible with Varia™ LightsSpeed and Cadence Sensor SupportSwimming FeaturesAvailable Swim Profiles: Pool Swimming, Open Water Swimming, SwimrunOpen-Water Swim Metrics (Distance, Pace, Stroke Count/Rate, Stroke Distance, Swim Efficiency (SWOLF), Calories)Pool Swim Metrics (Lengths, Distance, Pace, Stroke Count, Swim Efficiency (SWOLF), Calories)Stroke Type Detection (Freestyle, Backstroke, Breatstroke, Butterfly) (Pool Swim Only)Drill Logging (Pool Swim Only)Basic Rest Timer (Up from 0) (Pool Swim Only)“Repeat On” Rest TimerAuto Rest (Pool Swim Only)Time and Distance AlertsPacing Alerts (Pool Swim Only)Countdown StartPool Swim WorkoutsCritical Swim SpeedUnderwater Wrist-Based Heart RateHeart Rate from External HRM (Real-time during rests, interval and session stats during rests, and automatic heart rate download post-swim): Yes (with HRM-Tri™, HRM-Swim™ and HRM-Pro™)Kid Activity Tracking FeaturesToe-to-Toe™ Challenges: Yes (optional Connect IQ app)CompatibilityAdaptersAC Adapter Cable, EuropeBatteriesGarmin Charge™ Power PackBandsForerunner 745 BandCases and CoversCarrying CaseHeart Rate MonitorsHRM-TriHRM-SwimHRM-DualHRM-RunSoft Strap with ElectrodesElastic Strap for Heart Rate Monitor (Small)Elastic Strap for Heart Rate MonitorHRM-ProCables and ChargersCharging/Data Cable (0.5m)Cycling AccessoriesWristwatch Bike/Trolley MountBike Cadence Sensor BandsSensorsRunning Dynamic PodTempeSpeed Sensor 2Cadence Sensor 2Bike Speed Sensor 2 and Cadence Sensor 2 BundleDevicesVaria Rearview Bike RadarVaria RTL510Varia RTL515Varia RVR315Varia Smart Bike LightsVaria UT800 Smart HeadlightVaria Vision In-Sight DisplayVIRB 360VIRB Ultra 30FeaturesSmall and lightweight full-featured running and triathlon smartwatchPreloaded activity profiles including swim, bike, run and triVO2 max, training load and more training stats right at your fingertipsGet daily workout suggestions just for you, based on your recent trainingSync your favourite music right to your watchGarmin Pay™ contactless payments let you make purchases with a tap of your wristUp to 6 hours in GPS mode with musicUltra-rugged, built to hold up to 200 sweaty runs, bumpy bike rides and long swimsBuy Garmin Run GPS from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Specialized Inner Tube 29 x 1.75-2.4 40mm Presta Valve
  • £4.49
  • RRP £7.00
  • Saving you £36

  The one thing we all need to go riding. Lightweight consistent in quality and exactly the right size> 0.8 mm thick for less rotational weight in a standard tube

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