Technology

650C vs 700C Wheels: Exploring the Differences

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In recent years, 700C wheels have become more common, while 650C wheels have gradually disappeared from road bikes market. What is a 700C wheelset? A 700C rim means that the wheel (including the tire) is 700 mm in diameter. The 700C rim bicycle is the most commonly used model of road bicycle, referring to...
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Free Hub Body and Cassette: A Comprehensive Guide

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First, let's discuss what a freehub is, in essence, it plays an important role in fixing the rear gear. A freehub incorporates a drive mechanism that allows coasting or reversing on the drivetrain. The cassette is attached to the free center by a threaded locking ring. Special tools are required to connect freehub and...
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Rim Brake vs Disc Brake: Which is Better?

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Disc brakes are originally used on cars and motorcycles while rim brakes are used on bicycles. Disc brakes have become more and more popular in recent years. Many road cyclists are hesitant to decide between a rim brake and a disc brake. This is the most common question when buying a road bike. The...
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Internal Nipple Holes / External Nipple Holes

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Now the popularity of Internal nipple holes is slowly starting. Many people choose to use Internal nipple holes in order to make the wheel look simpler. Let's discuss the differences between Internal nipple holes and external nipple holes. What are external nipple holes? The external nipple is placed in a 4.5 mm diameter hole,...
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What is rims ERD? How is ERD measured?

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What is rims ERD? ERD (Effective Rim Diameter) is important data for calculating the length of the spoke. ERD refers to the maximum distance of the spoke from one end of the rim to the other end. Next, we discuss how to calculate ERD. As shown in the picture below, ERD=nipple length*2 + the...
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Clincher vs Tubular vs Tubeless Carbon Road Bike Rim

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Regarding the difference between Clincher, Tubular, and Tubeless, we mentioned it in another article, so let's briefly summarize their characteristics. Clincher Clincher is the rim that most people use, and you have a lot of options for your tire, it's the most popular and traditional rim type. There is a separate inner tube, it...
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