Tech Specs
In The Box
Cleat hardware
55 mm Q-factor washers
Documentation
Manual & Warranty
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
Reviews
Ask a Question
Tech Specs
In The Box
Cleat hardware
55 mm Q-factor washers
Documentation
Manual & Warranty
Trade-In
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
Overview
Garmin Rally XC200 Dual-Sensing Power Meter for Off-Road Cycling
Introduction
The Garmin Rally XC200 measures power independently from each leg to show you exactly how your cycling engine performs on the trail. Unlike single-leg power meters that estimate total output, dual-sensing technology captures genuine left-right power data in real time, revealing imbalances and inefficiencies that standard metrics miss. For mountain bikers, gravel racers, and cyclocross competitors, this level of precision transforms how you train and compete by exposing weaknesses before they cost you races.
Key Features
- Dual independent power sensors measure left and right leg output simultaneously with high accuracy
- Cadence tracking at real-time intervals for complete pedaling dynamics analysis
- Advanced cycling metrics including left-right power balance percentage and seated versus standing power distribution
- Power phase measurement and platform center offset tracking to optimize pedaling technique
- Up to 120 hours of battery life per charge, supporting multi-day ride tours and extended training blocks
- SHIMANO SPD cleat compatibility for secure, consistent engagement across all terrain types
Data Insights
Cyclists using dual-sided power measurement typically identify 5 to 15 percent power imbalances between legs that single-leg systems cannot detect. The Rally XC200's seated versus standing analysis reveals how much power you generate in each position, critical data for climbing efficiency and sprint performance. Platform center offset tracking shows whether your foot position shifts under load, a common source of power loss and fatigue. These insights enable targeted training adjustments that improve overall economy and endurance on long, technical rides.
Usage Instructions
Install the Rally XC200 pedals using standard wrench tools as you would any bicycle pedal. Pair them with your Garmin Edge computer or Garmin Connect app via Bluetooth. Complete the calibration procedure before your first ride to establish baseline accuracy. Clip in using compatible SHIMANO SPD cleats and monitor power, cadence, and cycling dynamics on your display during the ride. Synchronize data after each session to track your power progression, identify training trends, and compare performance across different terrain and conditions.
Design and Material
The Rally XC200 pedals integrate both sensors and electronics inside a rugged pedal body built to withstand mud, rocks, water, and sustained use on demanding terrain. The transferable spindle design lets you move the pedals between bikes without losing calibration, a significant advantage for riders with multiple machines. An innovative integrated sensor architecture protects measurement components while keeping the pedals lightweight and mechanically responsive.
- Dual-sided force sensors embedded within the pedal platform for accurate, independent left and right power capture
- Spindle design compatible with standard mountain bike and gravel bike crank arms for universal fit
- Pedal body construction optimized for off-road durability, resisting impact and corrosion in wet or muddy conditions
- Integrated electronics package eliminates external sensor pods or external battery modules
- Seamless SHIMANO SPD cleat interface with secure, repeatable clip-in and release engagement
- Transfer-ready design allows rapid spindle removal and reinstallation on compatible bikes without recalibration
Final Verdict
If you train hard on unpaved surfaces and want data-driven feedback on where your power goes, the Garmin Rally XC200 closes the gap between effort and results. Its dual-sided measurement, 120-hour battery life, and seamless Garmin ecosystem integration make it the practical choice for serious mountain bikers, gravel riders, and cyclocross racers who refuse to compromise on accuracy or durability. Whether you're chasing fitness gains, optimizing pedaling technique, or preparing for competition, this power meter delivers the advanced analytics and reliability your training demands.




