The lack of a cassette allows for the spokes on each side of the wheel to be more evenly matched, making a stronger rear wheel possible, which means less frequent truing is necessary as well. Besides having the essentials secured safely inside, there’s less wear on the chain as it never needs to change cogs, it’s impossible to cross-chain, and thicker, sturdier cogs can be used so your whole drivetrain will last longer. Internal hubs require less maintenance in general. It also prevents water, dirt, and road grime from gunking up the gears, causing premature wear, and that means less maintenance! In fact, because the 3-speeds don’t need to move the chain and don’t require a derailleur, they’ll allow you to mount a full-coverage chainguard so your entire drivetrain can be sealed from the elements, which means no more greasy pant-legs, less frequent chain repair, and the cleanest look possible on two wheels. Let’s start with the pros! Having everything sealed away in the hub accomplishes a couple of things first, it gives the bike a clean, minimalist appearance - keeping everything simple. So which is better? Well, it really comes down to you! Because the chain never has to move (it’s always engaging the same cog and the shifting happens inside the hub), the 3-speeds don’t have the derailleur so typical of a geared bike. The 3-speeds use an internal hub, so all the mechanics are sealed up inside the center of the wheel. The 8-speeds use what most folks would probably refer to as the “standard” gearing set-up on a bike – different-sized external cogs are shifted through by moving the chain with a derailleur (that thingy that hangs down with the “little pulley” on it that adjusts the chain’s tension and slides it left and right to change which cog is being engaged by the chain). This time, we’ll explore the differences between our 3-speed bikes and 8-speed bikes and weigh the pros and cons of each set-up!īesides the obvious, “One has 5 more gears, duh!”, the biggest difference between our 3-speed and 8-speed gearing systems is their design. In our first lesson, we covered the basics of gearing and how to shift effectively when starting from a stop (we skipped handing out the syllabus because nobody reads it anyway).
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