Power Meters

Rally RS100 is tested to the extreme, so you can ride there too. This single-sensing power meter delivers reliable power measurements and is easy to transfer between bikes, no matter what bike you're on or where you're riding. - Impeccably Designed Pedal—Rally power meters have undergone rigorous testing to increase reliability. Featuring a superior design with sensors housed inside, this pedal installs like any other pedal. And it's quick to transfer between bikes. - Reliable Readings—By reliably measuring your cadence and forces detected on the left pedal, Rally RS100 doubles the value to provide total power. Want more metrics? Upgrade later to the dual-sensing system (sold separately). - Cleat Compatibility—For a comfortable ride, this pedal is designed to fit your favorite Shimano SPD-SL cleats. - Transferable Spindle—From road to gravel to cyclocross and much more, keep riding year-round with a transferable spindle that can be installed in the Rally RS/Rally RK road pedal body kits (each sold separately). - Battery Life—Make sure you're ready for those long rides and training sessions with up to 120 hours of battery life. Specs: - Battery type: LR44/SR44 (x4) or CR1/3N (x2) - Battery life: up to 120 hours - Maximum rider weight: 105kg - Accuracy: +/- 1% - Field calibration - Adjustable release tension - Measurement location: spindle - Communication: ANT+ and BLUETOOTH - Weight: 328g - Water resistance: IPX7 - Cleat type: SPD-SL - Q-factor: 53mm (55mm with provided 2mm washer) - Stack height: 12.2mm In the Box: - Rally RS100 pedals - Cleat hardware - 55mm Q-factor washers - Documentation

BREAKTHROUGH POWER Built on the cutting-edge SPEEDPLAY pedal platform, POWRLINK ZERO delivers reliably accurate power and cadence data in a race-proven pedal system. This powerful combination creates an unrivaled power pedal that helps cyclists optimize performance to break through to the next level. A POWERFUL COMBINATION POWRLINK ZERO combines proven sports science and years of industry-leading research with the superior adjustability, increased power transfer, reduced weight, and enhanced aerodynamics of the SPEEDPLAY platform to create a pedal system that delivers a distinct performance advantage. BETTER YOUR BEST Accurate to +/- 1%, POWRLINK ZERO’s internal gyroscope removes cadence variation to measure power output more precisely. Combined with Wahoo’s sports-science based algorithms, cyclists get accurate values they can use to achieve next-level performance gains. LASTING POWER POWRLINK ZERO is made with premium materials for superior strength-to-weight ratio – making it perfect for enduring efforts. In addition, the rechargeable battery lasts up to 75-hours per charge to give you the power to go long. Really long. In the box - Left and Right Power Pedals - Washer (x2) - Cleat Assembly - Screw Packet - Charging Cable and Clips - Quick Start Guide - Important Product Information Guide Additional Tools Required for Assembly: #1 and #2 Philips Head Screwdriver and 8mm Allen Wrench"

The crankset is the heart of your bicycle and where you’ll find the SRAM RED Quarq power meter. The sole job of the crankset is to convert the effort from both legs to forward motion. It is the perfect place to measure power. This power meter works for every discipline: Road, triathlon, time trial, and cyclo-cross. The chainrings are replaceable should your bike, discipline, or ability change. - A direct force power meter that measures total power output from both legs with +/-1.5% accuracy - Works for every discipline: Road, triathlon, time trial, and cyclo-cross - No compromises on materials, shifting, wheels, or pedal choice - Proven by pro teams and athletes throughout the world – Cobbled Classics, Giro d’Italia, Tour de France, Vuelta a España, World Championships - Number 1 at the Ironman World Championship for the last three years - Uses a hidden bolt to mount the chainrings – compatible SRAM chainrings ensure the derailment pin lines up behind the crank arm - 10K – programmed with over 10,000 data points to eliminate temperature effects on power measurement - AxCad – A multi-axis accelerometer switches the power meter on and measures cadence, simplifying installation and operation - Breakthrough Materials – Exogram hollow carbon fiber crank arms – the lightest, strongest crank arms SRAM makes – minimize weight and maximize speed [ELSA RS, ELSA R and SRAM RED] - Easy to use (and reuse) – LED indicator and visible ANT+ ID - The replaceable CR2032 battery never leaves you without power - Manual and automatic zeroing make it truly set and forget - Built to Last – IPX7 waterproof rating, 2-year warranty, free firmware updates, and acclaimed international support - Moves with you from bike to bike - With Quarq's free Qalvin app – available for Windows, Mac, iOS and Android – you can set the zero offset, check battery voltage, run diagnostics, and perform firmware updates for free Arm Material: Carbon arms, Machined alloy spider Weight: 778 grams (GXP 172.5mm 53x39 BB not included) * Chainrings and BB sold separately