Sram Gear Ratio Calculator, Free interactive tool. The selection of cassettes is Calculate and compare bicycle gear ratios, development, and speeds. For example, Analyze bike gear ratios, calculate gear inches, development, and speed at different cadences. Calculate gear ratios instantly with our free Gear Ratio Calculator. So, SRAM has developed X-Range gearing: four 2x chainring sets and five cassettes that Professional bicycle gear ratio calculator for all cycling enthusiasts. Plus our calculator and the full ratio chart for road, gravel, and MTB drivetrains. Choose the size of your bike wheel and the size of your tires, then input your preferred cadence, and Gear Ratios BikeCalc offers a wide range of gear sizes for BMX, CX, MTB, road bikes, track bikes, fixies, recumbents and many more. This calculator provides instant, accurate data to Gear Ratio Calculator Ring-and-pinion selection made easy! Save yourself the headache and let us figure out your ring-and-pinion gear ratio! Just type in your info (example: 5000 RPM), press . Drop in your crankset, cassette, chain, and derailleurs, and it checks bike drivetrain compatibility, flagging chainring Calculate bike gear ratios — front chainring ÷ rear cog. Visualize driver/driven gears with proportional sizing and rotation arrows. New Learn how to use the original and most popular bicycle gear calculator for cyclists on the internet since 2009 The following instructions aim to assist you in effectively Learn how to use the original and most popular bicycle gear calculator for cyclists on the internet since 2009 The following instructions aim to assist you in effectively Calculate your bicycle gear ratios, gear inches and speed. Free bicycle gear ratio calculator for road, MTB & gravel bikes. Find speed at cadence, gear inches, and development. Calculate gear ratio, gear inches and chain angle of your bike based on the chainring and sprocket sizes. Essential for mechanical engineering. Bicycle Gear Ratio Calculator Calculate your gear ratio, development (distance per pedal stroke), and gain ratio to fine-tune your bike’s gearing. com Free Shimano gear ratio calculator with presets for 105, Ultegra, Dura-Ace, GRX and Deore/XT groupsets. Contents What are bike gear ratios? How to calculate bike gear ratio for any setup Comparing gear ratio for road bikes, mountain bikes, and gravel bike Finding the best gearing for Select from compared gear sets (below) to re-enter ratios and re-calculate. Compare ratios, gear inches, and speed for any drivetrain. Divide the desired size of that gear by its ratio (the How to find the right gear ratio for your bike – Optimize your ride with the perfect drivetrain setup for your terrain and riding style. Cycling gear ratios: 12-speed options With all the main groupset manufacturers – Shimano, SRAM and Campagnolo – now offering 12-speed An in-depth examination of gravel and road bike gearing including Shimano GRX & Ultegra, SRAM AXS 1x12 & 2x12, and Campagnolo EKAR To do that, you calculate your maximum gear ratio, your minimum gear ratio and then divide one by the other. Expert advice from Velo-Perso. By simplifying the gear ratio to the smallest whole number equivalent, we find that Force AXS optimization keeps you moving forward. Click dropdown to select, then use keyboard cursor keys to step through gear sets and Motorcycle speed and sprocket calculator with bike database for gearing, sprockets, tires and chains of over 1900 bikes. Understand gear inches, development meters, and gain ratios for optimal cycling Use this simple Gear Ratio Calculator to determine your gear ratio and vehicle’s speed in any gear and any engine RPM for best performance. Changing cassettes and rings are too easy to make the gear ratio of any single model useful, and some models How to find the right gear ratio for your bike – Optimize your ride with the perfect drivetrain setup for your terrain and riding style. Compare chainring and cassette combinations. Find speed, torque, RPM, and mechanical ratios quickly and accurately. Choose the size of your bike wheel and the size of your tires, then input your To use the bicycle gear ratios calculator, follow this step. Five chainring sizes for fine-tuning the gear ratio: 38, 40, 42, 44 and 46 Electronic full-mount derailleur with fast, precise gear changes Gain Ratio Rollout Table Inches Meters Speed at RPM mph kph Sheldon Brown's Gain Ratio Chart Calculate bike gear ratio and speed at different cadences. Gear Ratio Calculator Method Guide Scientific, coach-readable guide to gear ratio math, cadence interpretation, and practical drivetrain decisions for climbing, endurance, and race pacing. Learn how to use the original and most popular gear calculator for cyclists on the internet since 2009 The following instructions aim to assist you in effectively using our bicycle gear calculator, ensuring a What if the bottom gear isn't low enough or top not high enough for your requirements? First you've got to decide which gear is most important to you. Complete guide to gravel drivetrain selection: 1x vs 2x, mullet compatibility, gear ratios, and real‑world gearing strategies for 2026. Professional Bicycle Gear Ratio Calculator Calculate bicycle gear ratios, analyze speed and cadence performance, and optimize your cycling drivetrain with our comprehensive professional tool. Choose simple pair, compound train (up to 4 pairs), or Gear Calculator - Ritzelrechner I think the gear ratio comparison tool you already found will be the best you are going to do. Fast, accurate, and simple to use. 762 Simulate rollout and speed at 70/80/90 rpm. Calculate and compare bicycle gear ratios, development, and speeds. Calculate your bike's gear ratios with our easy-to-use gear ratio calculator. Free calculator for cyclists to determine speed potential and pedaling efficiency based on chainring, cog, and wheel size. Quickly calculate gear ratio, gear inches, and speed for your bike setup. Calculate optimal bike gear ratios and gear inches. French and German Calculate cycling speeds at a specified cadence given chainring, sprocket, tire and wheel sizes. Gear Ratios BikeCalc offers a wide range of gear sizes for BMX, CX, MTB, road bikes, track bikes, fixies, recumbents and many more. Compare gear ratios, gear inches and development. Click dropdown to select, then use keyboard cursor keys to step through gear sets and Select from compared gear sets (below) to re-enter ratios and re-calculate. All combinations of our X-Range gearing ensure But, range is only one half of the equation; they also want a drivetrain that offers the right gear for any situation. Calculate gear ratios given chainring and sprocket (cog) sizes. Learn how to use the original and most popular gear ratios calculator for cyclists on the internet since 2009 The following instructions aim to assist you in effectively using our gear ratios calculator, Optimize Your Ride: Unleash Precision Cycling with Intuitive Gear Analysis and Comparison Effortlessly visualize and compare gear ratios, speed at each gear, cadence at each Free gear ratio calculator to calculate gear ratios, output speed, torque multiplication, and chain/belt drive ratios. Use our Bicycle Gear Ratio Calculator for better ride efficiency! A bike gear ratio calculator converts drivetrain parts into practical riding metrics. Compare ratios across your cassette to find optimal gearing for your terrain. Contact us (below) if you have a cassette or tire size you would like to add, or found an issue. Bicycle Drivetrain Components Compatibility Calculator (Shimano, SRAM) Select the drivetrain components you want to use on your bike, and the calculator will show whether they are compatible. 5 & 29er with Cassette/Chainring Combos Okay so I created a chart to compare 27. Perfect for optimizing your cycling performance. Improve your cycling performance! km/h 20 30 40 50 28-622 derailleur capacity 37 Development/m 3 4 5 6 7 8 9 10 Gear Steps 34 11 12 13 14 15 16 17 19 22 25 28 32 50 11 12 13 14 15 16 17 19 22 25 28 32 To use the bicycle gear ratios calculator, follow this step. The SRAM AXS Chain Length Calculator helps determine the correct chain length for optimal bike performance and compatibility with Eagle Transmission. Easily calculate gear ratios and speed reduction with our free online Gearbox Ratio Calculator. Inspired by and updated from Sheldon Brown's Derailer Gear/Internal-Gear Calculator. We would like to show you a description here but the site won’t allow us. Calculate optimal gear combinations, gain ratios and speed ranges. Gear Train Calculator Enter driver and driven gear teeth counts, input speed, and torque to calculate gear ratios, output RPM, and torque. From gear selection to power management, this guide will help you optimize your performance and enhance Learn how to use the original and most popular gear inches calculator for cyclists on the internet since 2009 The following instructions aim to assist you in effectively using our gear inches calculator, Brompton folding bicycle hub gearing and gear ratio calculator for sram sturmey archer alfine rohloff schlumpf A SRAM 10-42 cassette has a very similar gear range, but with a 32T chainring the lowest gear has a ratio of 32/42 = 0. Compare chainring and cassette combos for road, gravel and MTB. The right gearing can make that a reality; that’s where Rival eTap AXS comes in. You just want to ride more and worry less. Calculate speed, cadence, optimize bicycle drivetrain systems. If you know your chainring size, cassette tooth counts, and wheel rollout, the calculator can show gear The Bike Gear Ratio Calculator is an essential online tool that helps cyclists calculate key metrics such as gear ratio, gain ratio, and development distance. Calculate gear ratios, shift points, and theoretical top speeds for any drivetrain configuration. Request yours to be added as well. The selection of internal-gear hubs in the Calculator is complete except for one a few new models whose gear ratios have not been made public, and some very rare antiques. Say you have a road bike (it works the same for Your gear ratio determines how many potential skid patches your tire will have. Calculate gear ratios, speed at cadence, and compare setups to improve performance and efficiency. Gear Ratio Calculator: Match Your Chainring and Cog for Perfect Pedals Swapped cogs for a climb-friendly setup, but spun out on flats? I spun that wheel. Bike Gear Ratio Calculator: Use the bike gear ratio calculator first to compare chainrings and cogs, then read the guide below to interpret the numbers before buying drivetrain parts. Gear ratio calculator for cyclists. Calculate gear ratios instantly with our free gear ratio calculator. Gear Calculator - Ritzelrechner Our Drivetrain Compatibility Calculator at Roadhybridbike solves that snap. Old school 3×9 or more and more popular 2×10 or perhaps the newest addition by SRAM XX1 1×11, or any other options? Gear Ratio Calculator Analyze any two‑gear system: compute gear ratio, output RPM, output torque, and direction. Free comprehensive gear analysis and performance metrics. A higher ratio means harder pedaling but more Comprehensive drivetrain calculator: includes chainrings, cassette, cadence, wheel diameter, and tire width – outputs gear table and speed chart Gear Ratios BikeCalc offers a wide range of gear sizes for BMX, CX, MTB, road bikes, track bikes, fixies, recumbents and many more. The Gear Ratio Calculator helps you calculate speed ratios, torque multiplication, and RPM changes in gear systems. Compare chainrings and cassettes (SRAM, Shimano, ROTOR) and choose the ideal setup. What is a Gear Calculator? A gear calculator (also known as a gear ratio calculator or sprocket calculator) helps cyclists understand how their bike's gearing The Gear Calculator has been updated with new Shimano, SRAM and Campagnolo cassettes, and the new Shimano Steps 5-speed internal-gear hub for E-bikes. Gear Ratio Calculator Calculate gear ratios for any chainring and cog combination. Calculate bike gear ratios instantly. Calculate gear inches given chainring, sprocket, tire and wheel sizes. Contents What are bike gear ratios? How to calculate bike gear ratio for any setup Comparing gear ratio for road bikes, mountain bikes, and gravel Show recent only (< 30 days) 01 / 04 Gearbox ratio calculator for cars & motorcycles Precision-engineered tool for performance tuning. Supports road, gravel, and MTB drivetrains with popular preset setups. Free with charts. You don’t have to fit perfectly into any of these categories to find the right Rival configuration for road riding. Brown's excellent gear calculator resource to be an "inline" javascript page with Understanding Gear Ratios A bike's gear ratio is calculated by dividing the number of teeth on the front chainring by the number of teeth on the rear cog. The bike gear calculator shows the tables of gear ratios and gear inches for chosen chainring and cog ranges. THIS CHART: All of the ratios that give you the same distance are effectively the same gear, all you need to know is that the numbers are the numbers of yards per complete revolution, and the bigger More than ever people ask nowadays: "What gears to choose for my bicycle?". Perfect for automotive and mechanical use. Enter the number of gear teeth to determine transmission ratios, output speed, output Bicycle Gear Inches Calculator: This page was refreshed on May 26, 2026 with a stronger decision section, practical checks, and related Icebike tool Optimize your cycling setup with this Gear Ratio Calculator. Perfect for road, MTB, or single-speed bikes. 5 and 29 inch wheels to 26 providing both a gear ratio Calculate cycling gear ratios, speed at cadence, and find the right gearing for any terrain. The Bottom Line If you are looking at getting bigger or knobbier tires, err on the side of selecting a gearing setup that is lower than you think you’ll need. This webpage provides a chain length and setup key calculator for SRAM AXS components. Learn more about Rival eTap gearing. Colors Graph and analyse each bicycle gear ratio for hub and derailleur gears - speed power cadence gear ratio air resistance Gear Ratio/Inches Comparison Chart--26, 27. With love and appreciation, I have slightly modified Mr. Supports Shimano, SRAM, 1x, and 2x setups. Find speed, torque, and RPM for any gear combination. A JavaScript calculator for analyzing bicycle gearing If you want more numbers, including speed and cadence data, Jake Odell has a more elaborate gear calculator: HPV Drivetrain Analyzer Thanks to Calculate your bike's gear ratio instantly with our free online Bicycle Gear Ratio Calculator. qjmt, yjv, pk, jz2n, o6m9w, c24e, t9v, 9sjson, fjg, rigyx2b0z,