Sized for use with 1 1/8" steerers, this durable and hard-wearing component is ideal for adding height to your steering set up.
Their Hollowform arms combined with a 30mm axle delivers unrivalled stiffness for outstanding power transfer without a weight penalty.
High-quality FSA new school approach to the reducer headset, away with the conventional 1.5 headset, FSA have introduced this as a more solid option reducing the need for spacers and cups, adding more weight to your ride.
Build your own specific tool by adding cutters, reamers and facers to this base tool unit. This kit includes the handle, shaft and the quick release centre cone & nut. Over 20 different reamers and facers are compatible with this central assembly, for numerous headset and bottom bracket standards, or the tool can simply be used to ream a section of the frame which needs a little more clearance Note: No reamers, facers or pilots are included with this set.
Whether you're training for an event or wanting to beat your previous goals, the Precision Pro is the ultimate component for the job. This dual-sided model (comes with both crank arms, left crank arm has strain gauges built-in) provides readings with an accuracy of within +/- 1% and can be used with your Shimano Ultegra R8000 drivetrain. 4iiii has built on what it learned when producing their left-side model (exceptional accuracy, lightweight design, ANT+ and Bluetooth compatibility, 3D power meter technology), by developing the technology even further for increased precision of the readings. This model is assembled within Shimano's stunning Ultegra R8000 crankset and measures the individual power output of each leg. ANT+ and Bluetooth connectivity allow you to wirelessly connect to it using your smartphone and a wide variety of devices. Accurate and consistent, its smartphone app also gives you access to the rider compensation scale and other useful features such as a battery status indicator. The app also allows you to enjoy over-the-air upgrade capabilities such as adding new features and updates. What's most impressive is its battery life lasts 100+ hours on a 2032 coin cell battery, so you'll benefit from precise and reliable data for longer than ever before. Lightweight and compact, this is a perfect choice of upgrade for riders who want to take their road cycling to the next level.
This stunning model features a hollow carbon crank arm construction which offers the ultimate strength to weight ratio for weaving from trail to trail. FSA has also completed this version with a UD carbon finish which adds another layer of protection and stiffness, making it ready to conquer everything a long day in the mountains has to offer.
This model features a hollow carbon crank arm construction which delivers an outstanding strength to weight ratio for tackling any road. FSA has completed this sleek model's cranks with a UD carbon finish which increases their rigidity and longevity. This is a perfect choice of upgrade for riders who want a smoother and more reliable pedal stroke when racing and club riding.
Whether you're competing, training or wanting to take your riding performance to an all-time high, this state-of-that-art model offers some of the most advanced recording technologies possible. Easily connect to your smartphone or cycling device via Bluetooth Smart or ANT+ and export your data for training analysis with platforms such as TrainingPeaks.com. Improve your pedal stroke performance thanks to its higher data sampling rates which are achieved by recording power via 4 sets of opposing gauges. Both your left and right legs are independently measured to provide accurate data about your pedal stroke balance, power output, cadence and torque effectiveness. You will be able to see exactly where you need to up your game in terms of essential improvements thanks to the dual leg measurement showing the individual performance in each of your legs. This model is a powerful tool for measuring your unique pedalling biomechanics via the Rotor Power application. You can access real-time performance rich data including proprietary metric Torque 360, Optimum Chainring Angle (OCA) and a recommendation of your Optimal Chainring Position (OCP). Direct mountable, this model includes a clever spline interface between your crank arm and chainrings for superior stiffness and direct transfer of your pedalling torque. With a user-friendly setup and straight-forward calibration with a rechargeable battery life of up to 250 hours which can easily be charged via a magnetic connector, this is the ultimate choice of power meter crankset for pushing your road cycling performance to the top. Technologies: Data Transmitted: Power, cadence, balance, torque effectiveness and pedal smoothness for each leg via standard ANT+™ protocol and Bluetooth Smart®. L/R independent or combined pedal analysis using Optimum Chainring Angle (OCA) and TORQUE 360 metrics in the User Software environment and the ROTOR Power app for smartphones. Specs: Head Unit: ANT+, Bluetooth® Smart; compatible ANT+ head units: http://www.thisisant.com/directory Analisys software: Trainingpeaks.com/ROTOR Software: ROTOR 2INpower app, ROTOR 2INpower User Software Q-Factor: 147.5 mm Chain line: 43.5 mm Sizes available: 165 / 170 / 172.5 / 175 mm Spider available: ROTOR Direct Mount chainrings, oval and round Battery Specifications: Rechargeable Li-ion + USB cable Estimated Battery Life: 250 hours riding time Water Resistance: IPX7 Strain Gauges: 4 gauges in the axle and 4 in the right crank arm Wireless Technology: ANT+ 2.4 Ghz/ Bluetooth® Smart Compatibility: BB30 / PF30 / PF30 BBright / BB386 / BSA / ITA / BB Weight: 775 g (596 g without chainrings)
Making the most of its ability to measure tri-axial strain, this innovative crank arm gives precise readings to within +/-1% to keep you committed to shaving off the seconds. Bluetooth and ANT+ compatible, it will relay your riding data to your compatible mobile device or onboard computer, allowing you to analyse and adapt your ride at any given time. With over 100 hours of usage from the included battery, this easy-to-install 4iiii Power Meter 105 will keep you riding as efficiently and effectively as possible, ride-after-ride. If the weather or climate makes riding outdoors tough, this item can be used with all popular indoor-training apps, such as Zwift, TrainerRoad, Wahoo SYSTM, Rouvy, and more. Simply use your favourite app's connection procedure over ANT+ or Bluetooth Smart, put your bike on a trainer, and get riding. Please Note: This is the non-drive side crank arm only, it is designed to be used along with your existing drive side crank arm (chainring side).
The bearing is ABEC 5 certified which means that it has passed tests which include ID and OD tolerance’s, roundness of ball, trueness of faces & surfaces as well as noise testing at high RPM. These bearings have been designed and tested for the harshest of UK winters so if you want bearings that won’t let you down then these are the ones to get. These headsets have been revised, improved and expanded for optimum fit, sealing and performance as well as compatibility with a wide range of fork and frame standards. Featuring sealed angular contact bearings, split alloy crown races and upper and lower bearing cups CNC-machined from proprietary aluminium, the headset offers the optimum balance of light weight, strength and durability for performance across all riding disciplines. All models feature a super tough black hard anodised finish, with laser-etched graphics. Nukeproof are so confident in the performance of these bearings that they are offering a 5 year warranty so you can be rest assured your purchase will be a good one. Click here to view and download our Nukeproof Headset Technical Manual. Model Headtube Internal Diameter Steerer Black 1.1/8" EX34-30 - B1 34mm 1 1/8" Black 1.1/8" EX44-40 - B5 44mm 1.5" Black 1.5" EX49-40 - B7 49mm 1.5" Black 1.5" ZS56-40 - B8 56mm 1.5"
The bearing is ABEC 5 certified which means that it has passed tests which include ID and OD tolerance’s, roundness of ball, trueness of faces & surfaces as well as noise testing at high RPM. These bearings have been designed and tested for the harshest of UK winters so if you want bearings that won’t let you down then these are the ones to get. Works with all Nukeproof headsets from 2015 onwards. For fitting instructions click here.
The bearing is ABEC 5 certified which means that it has passed tests which include ID and OD tolerance’s, roundness of ball, trueness of faces & surfaces as well as noise testing at high RPM. These bearings have been designed and tested for the harshest of UK winters so if you want bearings that won’t let you down then these are the ones to get. These headsets have been revised, improved and expanded for optimum fit, sealing and performance as well as compatibility with a wide range of fork and frame standards. Featuring sealed angular contact bearings, split alloy crown races and upper and lower bearing cups CNC-machined from proprietary aluminium, the headset offers the optimum balance of light weight, strength and durability for performance across all riding disciplines. All models feature a super tough black hard anodised finish, with laser-etched graphics. A top cap and star nut are also included. Nukeproof are so confident in the performance of these bearings that they are offering a 5 year warranty so you can be rest assured your purchase will be a good one. Click here to view and download our Nukeproof Headset Technical Manual. Model Headtube Internal Diameter Steerer Black EX34-28.6 - T1 1.1/8" Top Cap Included 34mm 1 1/8" Black ZS44-28.6 - T2 1.1/8" Top Cap Included 44mm 1 1/8" Black ZS49-28.6 - T3 1.1/8" Top Cap Included 49mm 1 1/8"