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Hammerhead: The Hammerhead Karoo cycling computer represents the pinnacle of innovation, design, and performance. The stunning screen, premium materials, and all-day battery life combine to make Karoo a cycling computer without compromise. Easy to use in every condition thanks to thoughtful hardware and software design, Karoo allows you to focus on the road - and the ride - instead of your equipment. Featuring comprehensive structured workout support, industry best navigation, and a Companion App and Dashboard that let you manage your Karoo without removing it from the handlebars; Karoo helps you hit your training goals, explore new routes, and enjoy every ride. The pièce de resistance is Karoo’s unparalleled control of your bike’s connected components, from SRAM AXS products to E-Bikes to ANT+ lights Karoo features a smartphone-like screen with industry-leading display for colorful visualizations and intuitive configurations of your ride data and mapsControl Karoo your way — no matter the conditions — with a responsive touch screen and easy-to-use hardware buttonsSpend less time waiting and more time riding thanks to 64GB of memory, 4GB of RAM, and extended battery life providing more maps, faster map rendering, and longer uptimeMulti-band GNSS technology gives pin-point accuracy on any path, whether in crowded cities, tight singletrack, tree covered trails, or anywhere in betweenChoose your preferred surface-specific routing type (road, MTB, gravel) and explore new paths with our best-in-class maps and navigation, including free global maps, instant route syncing from connected accounts, and automatic climb detection with — or without — a routeUnparalleled connectivity with SRAM AXS products allows for easier customization, better equipment awareness, and simple pairing with your groupsets, power meters, tire pressure sensors, and more. Karoo’s best-in-class support for ANT+ radars and lights make it easier than ever to be safe on the road in any riding conditionEasily pair Karoo to your E-Bike and access LEV E-Bike data fields such as motor assist level, estimated range, E-Bike motor output, and E-Bike battery levelRegular software updates introduce new features and improvements to Karoo, keeping it at the forefront of the cycling ecosystem to make every ride better than the last. SPECIFICATIONSProcessor Quad Core 2.0 GHzMemory 64GB Storage, 4GB RAMSatellite Connectivity Multi-band (L1 + L5) GNSSSatellite Constellations GPS, GLONASS, Galileo, QZSS, BEIDOUCharging USB CCharge time 30% in 30 minutes, 100% in 2.5 hoursBattery life 15+ hoursSensor Connectivity ANT+ and BluetoothDimensions (mm) 102.8 x 61.66 x 21.1Display resolution 480 x 800 pixelsRechargeable battery YesScreen dimensions 3.2Screen type TouchscreenWater resistance IP67Device Weight 118gramsOperating Temperature -10C-55CBarometric Altimeter YesMagnetometer YesGyroscope YesAccelerometer YesAmbient Light Sensor YesTemperature Sensor YesBattery Size 2600 mAhAuditory alerts Beeper

More reasons to buy from us

We price match all products on a like for like basis.

To qualify the item must be available in stock with a UK supplier and any additional costs taken into consideration.

i.e delivery charges, buyers premium, assembly charges.

Call us on 01823 252499 before you make your purchase to enquire about price matching a product.

Please read our full price match policy.

With all bike sales you will receive an informational bike pack that contains a 15% Off accessories voucher inside.

This voucher is redeemable at your nearest Bicycle Chain, Rock & Road or Climb On Bikes Store.

We currently have stores in Yeovil, Taunton, Bridgwater, Weston-Super-Mare and Hereford.

This is part of our 'Support Local Business' initiative, where we want to see local riders supported by their local bike shops.

We hope to see you in store soon.

When you buy a bike from us in the store or come to collect your Click & Collect order we will adjust your new bike to fit you.

This includes adjusting saddle height, saddle position and where possible adjusting the brake levers / gear shifters.

We will also adjust any accessories you have purchased with your bike where applicable.

When you buy a bike from us you will get a free service at your nearest Bicycle Chain store within 6 weeks of taking delivery of your bike.

The free service is put in place to make sure the bike you have purchased is running correctly and to adjust out any cable stretch that happens to any new bike.

The type of bike you have bought and the type of riding you have planned will affect how soon you need to book your free service.

  • Light use - 6 weeks
  • Daily commuting / moderate use - 4 weeks
  • Hard / aggressive use - After the first 2 rides

However if you experience any issues at any time you should stop riding your bike and book your bike in for its free service immediately.

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  • Mon - Sat: 9.00am - 17:30pm
  • Sunday: Closed